Product Description
ZB1.25. 0571 .201-1SPPN Four Point Contact Ball Slewing Bearing Manufacturers
Four-point contact ball slewing turntable bearings
consist of 2 ring seats. Compact structure, light weight, steel ball and arc track contact at 4 points, can bear axial force, radial force and overturning moment at the same time, has strong dynamic load.
Single row cross roller slewing bearing
Composed of 2 or 3 rings. compact structure, light weight, high manufacturing accuracy, small assembly gap and high requirement for installation accuracy. Rollers are 1:1 cross-arranged.
Can be bear axial force, overturning moment and large radial force at the same time,and widely used in lifting transportation, construction machinery and precesion products.
Double row ball slewing bearings
This kind of bearings can support high static loads with simple structures. They are mainly used in situations with variation load position and direction and continuously rotating. Main applications of this kind of bearings are deck hoisting, mining and material handling etc.
Three row roller slewing bearing
Three row roller bearing CZPT to bear all kinds of loads at the same time, it is the largest 1 of the 4 structural products with large axle and radial dimensions and firm structure. Especially suitable for heavy machinery requiring larger diameter, such as bucket wheel stacker and reclaimer, wheel crane, marine crane, port crane, ladle turret,large tonnage truck crane,heavy machinery and so on.
| Type | • Single row 4 point contact ball slewing bearing • Single row crossed cylindrical roller slewing bearings • Double row ball slewing bearings •Double row Roller/ball combination slewing bearing •Three-Row Roller Slew Ring Bearing |
| Rolling elements | Steel ball / Cylinder Roller |
| Rolling elements Material | GCr5/GCr15SiMn/Customized |
| Bearing Material | 50Mn/42CrMo/42CrMo4V /Customized |
| Cage Material | Nylon/ steel /copper |
| Structure | taper pin , Mounting holes,Inner ring ,grease fitting,load plug, seals , roller ,spacer balls or separators |
| Outer diameter | 50-10000mm |
| Bore size | 50-10000mm |
| Mounting hole | Through hole/Tapped hole |
| Raceway hardness | 55-62HRC |
| Inner and outer ring modulation hardness |
229-269HB/Customized |
| Gear type | No gear ,Internal gear , External gear. |
| Embellish grease | EP2 lithium lubricating grease |
| Certificate | ABS.BV,DNV,ISO9001,GL,3.1,3.2 |
| Application area | Ladle turret,Stacker crane,Bucket wheel machine,Solar heliostat Tracking System,port crane, Cabling machine,tower crane , offshore platform,ferris wheel, Palletizing robot,Rotary metallurgical furnace,can packing machine,Wind blade transporter,shield tunneling machine,tube push bench,excavator |
| Brand Name | LYMC |
| Place of Origin | HangZhou ZheJiang |
| Warranty | 12 months |
| Payment term | T/T is our first choice |
|
Packing details |
1,Filling with anti-rust oil 2.Corved with Plastic paper 3.Corved with kraft paper 4.Corved with Blue tie 5.Put in wooden box |
Product Process
Application:
– Excavators – Drilling rigs – Mining Equipments – Cranes -Offshore Equipments – Vehicles – Machine Tools – Wind Turbines
About Us:
HangZhou MC Bearing Technology Co.,Ltd (LYMC),who is manufacture located in bearing zone, focus on Slewing bearing, cross roller bearing and pinion,Dia from 50mm-8000mm, Our team with technical and full experience in the bearing industry.
*Professional in researching, developing, producing & marketing high precision bearings for 16 years;
*Many series bearings are on stock; Factory directly provide, most competitive price;
*Advanced CNC equipment, guarantee product accuracy & stability;
*One stop purchasing, product include cross roller bearing, rotary table bearing, robotic bearing, slewing bearing, angular contact ball bearing, large and extra large custom made bearing, diameter from 50~9000mm;
*Excellent pre-sale & after sale service. We can go to customers’ project site if needed.
*Professional technical & exporting team ensure excellent product design, quotation, delivering, documentation & custom clearance.
Our Service:
FAQ:
1.Q: Are you trading company or manufacturer ?
A: We are professional slewing bearing manufacturer with 20 years’ experience.
2.Q: How long is your delivery time?
A: Generally it is 4-5 days if the goods are in stock. or it is 45 days if the goods are not in
stock, Also it is according to quantity.
3.Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample, it is extra.
4.Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance, balance before shipment.
5.Q: Can you provide special customization according to the working conditions?
A: Sure, we can design and produce the slewing bearings for different working conditions.
6.Q: How about your guarantee?
A: We provide lifelong after-sales technical service.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Standard or Nonstandard: | Standard |
|---|---|
| Feature: | High Speed, Cold-Resistant, Corrosion-Resistant, Heat-Resistant |
| Sealing Gland: | Sealed On Both Sides |
| Rolling-Element Number: | Single-Row |
| Material: | 50mn/42CrMo |
| Type: | Internal Gear |
| Samples: |
US$ 335/Set
1 Set(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What are the Challenges Associated with Noise Reduction in Ball Bearings?
Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:
- Vibration:
Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.
- Bearing Type and Design:
The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.
- Lubrication:
Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.
- Bearing Clearance and Preload:
Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.
- Material and Manufacturing Quality:
The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.
- Surface Finish:
The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.
- Sealing and Shielding:
Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.
- Operating Conditions:
External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.
- Wear and Deterioration:
As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.
To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.
How do Temperature and Environmental Conditions Affect the Performance of Ball Bearings?
Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:
- Lubrication:
Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.
- Material Properties:
Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.
- Clearance Changes:
Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.
- Corrosion and Contamination:
Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.
- Thermal Stress:
Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.
- Noise and Vibration:
Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.
- Lubricant Degradation:
Environmental factors like humidity, dust, and contaminants can lead to premature lubricant degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.
- Seal Effectiveness:
Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.
- Choosing Appropriate Bearings:
When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.
Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.
What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?
Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:
- Reduced Friction:
One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.
- Efficient Load Support:
Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.
- Smooth Rotation:
Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.
- High-Speed Capability:
Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.
- Reduced Wear and Maintenance:
The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.
- Energy Efficiency:
By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.
- Versatility:
Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.
- Reliability and Longevity:
Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.
- Quiet Operation:
Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.
In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.
editor by CX 2024-05-17
China wholesaler China High Performance 6003 6003zz 60032RS Mini Chrome Steel Material Deep Groove Ball Bearing connecting rod bearing
Product Description
Product Description
Product details:
Deep groove ball bearing
High quality
High precision
High speed
Durable
Competitive price
Super popular
Long life
Low noise
Specification:
|
Model(ZZ/DDU) |
Main dimensions |
||
|
Inner diameter |
Outer diameter |
Thickness |
|
|
6000 |
10mm |
26mm |
8mm |
|
6001 |
12mm |
28mm |
8mm |
|
6002 |
15mm |
32mm |
9mm |
|
6003 |
17mm |
35mm |
10mm |
|
6004 |
20mm |
42mm |
12mm |
|
6005 |
25mm |
47mm |
12mm |
|
6012 |
60mm |
95mm |
18mm |
|
6013 |
65mm |
100mm |
18mm |
|
6014 |
70mm |
110mm |
20mm |
|
6015 |
75mm |
115mm |
20mm |
|
6016 |
80mm |
125mm |
22mm |
|
6017 |
85mm |
130mm |
22mm |
Compamy profile:
HangZhou Terry Machinery Co.Ltd is a leading supplier of bearings, Linear motion system for CNC , Ball transfer Unit and transmission component .the growing industrial and Favorable policy of HangZhou benefit the development of Terry Machinery .Our products are utilized in industrial, motorcycle, vehicle and Automation applications. Now we are exporting to 46 countries. including USA, GBR , Germany , Spain, Poland ,Turkey ect .The Goal of Terry Machinery to provide out customers with widest range of products at competitive prices, backed with the best Service.OUR ADVANTAGE Products Our major products & Supplied:Meet all the international standards and ISO9001 -TS1694 Certificate Big volume in Stock, No MOQ required Personnel Our salespersons are well trained to accommodate your requests and speak English for your conveniences.Our technicians and engineers Experience in the Industry area exceeds 23 years Service &Quality control ,We supply detailed drawings and offer when ever necessary,We help all customers promote and improve their sales.We inspect every piece of products by ourselves before delivery.
Packaging & Shipping
FAQ:
Custom Praise:
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Inside Diameter: | 17mm |
|---|---|
| Outside Diameter: | 35mm |
| Thickness: | 10mm |
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| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
Can you Provide Examples of Industries where Ball Bearings are Crucial Components?
Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
- Automotive Industry:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
- Aerospace Industry:
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
- Industrial Machinery:
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
- Medical Equipment:
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
- Robotics and Automation:
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
- Renewable Energy:
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
- Marine and Shipbuilding:
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
- Heavy Equipment and Construction:
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
- Electronics and Consumer Appliances:
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
- Oil and Gas Industry:
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.
These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.
What Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?
Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:
- Contaminant Exclusion:
Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.
- Lubrication Retention:
Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.
- Corrosion Prevention:
Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.
- Extended Bearing Life:
Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.
- Enhanced Performance in Harsh Environments:
In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.
- Noise and Vibration Reduction:
Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.
- Customized Protection:
Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.
- Trade-Offs:
While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions.
Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of applications.
Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?
Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:
- Deep Groove Ball Bearings:
Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.
- Angular Contact Ball Bearings:
Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.
- Self-Aligning Ball Bearings:
Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.
- Thrust Ball Bearings:
Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.
- Single-Row vs. Double-Row Bearings:
Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.
- Miniature and Instrument Ball Bearings:
Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.
- Max-Type and Conrad Bearings:
Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.
- High-Precision Ball Bearings:
High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.
- High-Speed Ball Bearings:
High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.
In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.
editor by CX 2024-05-17
China OEM Motorcycle Rail Car Spare Parts From China Manufacturers Bearing 7915 7916 7917ctynsulp4 High Quality and High Precision Angular Contact Ball Bearing with high quality
Product Description
Parameter:
| Product Name | Angular contact ball bearing |
| Brand Name | KSA |
| Material | Gcr15 |
| Precision Grade | P0,P6,P5 |
| Certification | ISO 9001 |
| Packeage | Box /Carton/Wooden Box/Plastic Tube or Per buyers requirement |
| MOQ | Depending On Moedl |
| Serice | OEM |
| Sample | Available |
| Payment | TT or L/C or Western Union |
| Port | HangZhou ZheJiang HangZhou |
In order to meet the performance requirements of bearings, Chinese bearing steel has more excellent performance:
1. Higher contact fatigue strength
2. after heat treatment with higher hardness to meet the bearing performance requirements
3. higher wear resistance, lower friction coefficient
4. Higher elastic limit
5. better impact toughness and fracture toughness
6. better dimensional stability
7. better rust resistance
ANGULAR CONTACT BALL BEARING SERIES
where C is 15 degrees contact Angle, AC is 25 degrees contact Angle, B is 40 degrees contact Angle, the bearing limit speed is higher, can bear both radial load and axial load, can also bear pure axial load, the axial load capacity is determined by the contact Angle, and increases with the increase of the contact Angle. It can only withstand the axial load in 1 direction, when bearing the radial load, it will cause additional axial force, and must apply the corresponding reverse load, so the bearing is generally used in pairs.
SINGLE ROW ANGULAR CONTACT BALL BEARING
Single-row angular contact ball bearings can only bear axial load in 1 direction, and additional axial force will be caused when bearing radial load. And only limit the axial displacement of the shaft or housing in 1 direction. Angular contact ball bearings have a contact Angle of 40 degrees, so they can withstand large axial loads. Angular contact ball bearings are of a non-separation design, and the shoulders on both sides of the inner and outer rings are not high or low. In order to increase the load capacity of the bearing, the shoulder on 1 side is machined lower, so that the bearing can fit more steel balls.
DOUBLE ROW ANGULAR CONTACT BALL BEARING
Double row angular contact ball bearings can bear large radial loads, mainly radial and axial combined loads and torque loads, limiting the axial displacement of both sides of the shaft. The inclinability between the inner and outer rings of the double-row angular contact ball bearing is limited in the parts mainly used to limit the two-way axial displacement of the shaft and the housing. The allowable inclination Angle depends on the internal clearance of the bearing, the bearing size, the internal design and the force and moment acting on the bearing, and the allowable inclination Angle should ensure that no excessive additional stress is generated in the bearing. If the inclination Angle between the inner and outer rings of the bearing exists, the life of the bearing will be affected, and the running accuracy of the bearing will be reduced, and the running noise will be increased. Double row angular contact ball bearings generally use nylon cages or brass solid cages. When installing double row angular contact ball bearings, attention should be paid to the fact that although the bearings can withstand two-way axial loads, if there is a ball loading gap on 1 side, care should be taken not to let the main axial load pass through the groove side with a gap. When the bearing is used, attention should be paid to making the raceway without the ball filling gap bear the main load.
OUR ADVANTAGE:
1.Our products: with high quality, long life, high speed, low noise, low friction quality products
2. We have: sufficient storage space, sufficient inventory, high production efficiency, we provide customers with the most favorable prices
3. Chinese bearing: in China’s production line, products are exported to all over the world, product specifications are complete, certificates are complete, professional R & D team
4. After-sales service and technical guidance: The company provides after-sales service and technical guidance according to customer requirements and needs
Company Profile
ZheJiang Kangshi Precision Bearing Manufacturing Co., Ltd., located in Yandian Town Industrial Park, HangZhou City, ZheJiang Province, mainly produces zero deep groove ball bearings, 2 types of cylindrical roller bearings, 3 types of aligning roller bearings, 6 types of angular contact ball bearings, 7 types of tapered roller bearings, 8 types of thrust ball bearings, thrust bearings, 9 types of thrust aligning roller bearings, outer spherical bearings, auto parts, Motorcycle parts and other rolling bearings. Our factory has strong professional technology, good production equipment and perfect testing means, can fully meet the various types, specifications, high precision and special use requirements of bearing products customized processing, the production process of the product according to the strict national standards of enterprise internal control standards for the implementation of full inspection and multi-project comprehensive inspection of factory products, Can ensure the quality of each set of factory bearing products to meet national standards. Kangshi bearing has always implemented national standards, market prices, and implemented the “three guarantees” principle for customers: To ensure high-quality quality, preferential prices, superior after-sales service! Welcome customers at home and abroad to consult and negotiate business, the company will continue to win the trust of more customers with good product quality and reputation.
OUR FACTORY QUALITY ASSURANCE
LOW NOISE, HIGH SPEED AND NOT EASY TO BURN EXCELLENT AFTER-SALES SERVICE
PACKAGING AND TRANSPORTATION
1.Industrial packing in general condition (Plastic drums/boxes/industrial packaging + cartons + pallets).
Accept design package when OEM.
MAIN USE
Single row angular contact ball bearings: machine spindle, high frequency motor, gas turbine, centrifugal separator, small car front wheel, differential pinion shaft, booster pump, drilling platform, food machinery, dividing head, welding machine, low noise type cooling tower, mechanical and electrical equipment, painting equipment, machine slot plate, arc welding machine, etc
Double row angular contact ball bearings: oil pump, Roots blower, air compressor, various transmission, fuel injection pump, printing machinery, planetary reducer, extraction equipment, cycloidal reducer, food packaging machinery, electric welding machine, electric soldering iron, square box, gravity spray gun, wire stripping machine, half shaft, inspection and analysis equipment, fine chemical machinery, etc
FAQ
Q: What is the MOQ?
A: It depends on the bearing type. You can send inquiry or send e-mail for more information.
Q: How about the package?
A: Industrial packing in general condition (Plastic drums/boxes/industrial packaging + cartons + pallets). Accept design package when OEM.
Q: How long is the delivery time?
A: It will take about 10 to 40 days, depends on the model and quantity.
Q:What are the advantages of your company’s services compared to other companies?
A: Factory direct supply, price advantage, 24 hours online timely reply, Provide customers with customs clearance
and quality of various documents, 100% after-sales service
Q:OEM POLICY
A:We can printing your brand (logo,artwork)on the bearings or laser engraving your brand on the bearings.
We can custom your packaging according to your design All copyright own by clients and we promised don’t
disclose any info.
Q:How to contact us quickly?
A:Please send us an inquiry or message and leave your other contact information, such as phone number,
account or account, we will contact you as soon as possible and provide the detailed information
you need.
Please feel free to contact us, if you have any other question
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Contact Angle: | 25° |
|---|---|
| Aligning: | Aligning Bearing |
| Separated: | Unseparated |
| Samples: |
US$ 2/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
Can you Provide Examples of Industries where Ball Bearings are Crucial Components?
Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
- Automotive Industry:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
- Aerospace Industry:
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
- Industrial Machinery:
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
- Medical Equipment:
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
- Robotics and Automation:
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
- Renewable Energy:
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
- Marine and Shipbuilding:
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
- Heavy Equipment and Construction:
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
- Electronics and Consumer Appliances:
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
- Oil and Gas Industry:
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.
These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.
How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?
Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:
- Material Composition:
Ceramic Ball Bearings:
Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.
Traditional Steel Ball Bearings:
Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.
- Friction and Heat:
Ceramic Ball Bearings:
Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.
Traditional Steel Ball Bearings:
Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.
- Weight:
Ceramic Ball Bearings:
Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.
Traditional Steel Ball Bearings:
Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.
- Corrosion Resistance:
Ceramic Ball Bearings:
Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.
Traditional Steel Ball Bearings:
Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.
- Speed and Precision:
Ceramic Ball Bearings:
Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.
Traditional Steel Ball Bearings:
Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.
- Cost:
Ceramic Ball Bearings:
Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.
Traditional Steel Ball Bearings:
Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.
In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.
How does Lubrication Impact the Performance and Lifespan of Ball Bearings?
Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:
- Friction Reduction:
Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.
- Wear Prevention:
Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.
- Heat Dissipation:
Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.
- Corrosion Resistance:
Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.
- Noise Reduction:
Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.
- Seal Protection:
Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.
- Improved Efficiency:
Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.
- Lifespan Extension:
Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.
- Selection of Lubricant:
Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.
- Regular Maintenance:
Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.
In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.
editor by CX 2024-05-17
China high quality Explosive Angular Contact Ball Bearing 7020AC 7022AC 7024AC 7026AC 7028AC with Huge Discount bearing driver kit
Product Description
Angular Contact Ball Bearing can bear radial load and axial load of angular contact ball bearings, single row angular contact ball bearings can only endure single direction axial load, so it is often adopted to paired mounting. When used in pair has preload matched angular contact ball bearings are the most convenient.Retainers are made of brass, synthetic resins, with bearing form, conditions of use and distinction.
| Model Number | Inner Diameter | Outer Diameter | Width |
| (mm) | (mm) | (mm) | |
| 7001AC | 12 | 28 | 8 |
| 7002AC | 15 | 32 | 9 |
| 7003AC | 17 | 35 | 10 |
| 7004AC | 20 | 42 | 12 |
| 7005AC | 25 | 47 | 12 |
| 7006AC | 30 | 55 | 13 |
| 7007AC | 35 | 62 | 14 |
| 7008AC | 40 | 68 | 15 |
| 7009AC | 45 | 75 | 16 |
| 7571AC | 50 | 80 | 16 |
| 7011AC | 55 | 90 | 18 |
| 7012AC | 60 | 95 | 18 |
| 7013AC | 65 | 100 | 18 |
| 7014AC | 70 | 110 | 20 |
| 7015AC | 75 | 115 | 20 |
| 7016AC | 80 | 125 | 22 |
| 7017AC | 85 | 130 | 22 |
| 7018AC | 90 | 140 | 24 |
| 7019AC | 95 | 145 | 24 |
| 7571AC | 100 | 150 | 24 |
| 7571AC | 105 | 160 | 26 |
| 7571AC | 110 | 170 | 28 |
| 7571AC | 120 | 180 | 28 |
| 7026AC | 130 | 200 | 33 |
| 7571AC | 140 | 210 | 33 |
| Model Number | Inner Diameter | Outer Diameter | Width |
| (mm) | (mm) | (mm) | |
| 7011ACM | 55 | 90 | 18 |
| 7012ACM | 60 | 95 | 18 |
| 7013ACM | 65 | 100 | 18 |
| 7014ACM | 70 | 110 | 20 |
| 7015ACM | 75 | 125 | 22 |
| 7016ACM | 80 | 125 | 22 |
| 7017ACM | 85 | 130 | 22 |
| 7018ACM | 90 | 140 | 24 |
| 7571ACM | 100 | 150 | 24 |
| 7571ACM | 110 | 170 | 28 |
| 7571ACM | 120 | 180 | 28 |
| 7026ACM | 130 | 200 | 33 |
| 7571ACM | 140 | 210 | 33 |
| 7030ACM | 150 | 225 | 35 |
| 7032ACM | 160 | 240 | 38 |
| 7036ACM | 180 | 280 | 46 |
| 7038ACM | 190 | 290 | 46 |
| 7040ACM | 200 | 310 | 51 |
ZheJiang Haina Bearing Co., Ltd. is an integrated company of industry and trade. Since its establishment, it has been committed to the research and development, production, and sales of high-end 7 types of tapered roller bearings, British non-standard bearings, deep groove ball bearings, and outer spherical bearings. We can customize and adjust various types of bearings according to customer needs. The products are widely applicablein fields such as automobiles, mines, chemicals, metallurgy, reducers, engineering machinery, agricultural machinery, and electric motors.
Our company has advanced testing equipment, forming a production model of product serialization and mass production. We have a group of experienced and skilled management personnel, who have introduced advanced production equipment and measuringand testing equipment. From the purchase of bearing raw materials to the delivery of finished products, we strictly control the entire process, ensuring the quality of the products.The products have the characteristics of precision, low noise, high load-bearing capacity and long service life.
1. Your factory how to control the quality?
A: All bearing parts before the production and the production process, strict inspection by 100%, including crack detection, roundness, hardness,
roughness,and the geometry size, all bearing meet ISO international standard.
2. Can you tell me the bearing material?
A: We have chrome steel GCR15, stainless steel, ceramics and other materials.
3. How long is your delivery time?
A: If the goods are in stock, usually 5 to 10 days, if the goods are no stock for 15 to 20 days, according to the quantity to determine the time.
4. OEM and custom you can receive?
A: Yes, accept OEM, can also be customized according to samples or drawings for you.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Contact Angle: | 25° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Rows Number: | Multiple |
| Load Direction: | Radial Bearing |
| Material: | Alloy |
| Samples: |
US$ 4.29/Piece
1 Piece(Min.Order) | |
|---|
Can you Provide Examples of Industries where Ball Bearings are Crucial Components?
Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
- Automotive Industry:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
- Aerospace Industry:
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
- Industrial Machinery:
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
- Medical Equipment:
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
- Robotics and Automation:
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
- Renewable Energy:
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
- Marine and Shipbuilding:
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
- Heavy Equipment and Construction:
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
- Electronics and Consumer Appliances:
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
- Oil and Gas Industry:
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.
These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.
How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?
Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:
- Size:
The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.
- Load Capacity:
Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.
- Precision:
Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.
- Speed:
Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.
- Friction and Efficiency:
Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.
- Applications:
Miniature ball bearings find applications in various industries and sectors:
- Electronics and Consumer Devices:
They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.
- Medical and Dental Equipment:
Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.
- Robotics and Automation:
Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.
- Aerospace and Defense:
They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.
- Optics and Instrumentation:
Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.
Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.
What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?
Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:
- Reduced Friction:
One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.
- Efficient Load Support:
Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.
- Smooth Rotation:
Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.
- High-Speed Capability:
Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.
- Reduced Wear and Maintenance:
The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.
- Energy Efficiency:
By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.
- Versatility:
Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.
- Reliability and Longevity:
Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.
- Quiet Operation:
Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.
In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.
editor by CX 2024-05-16
China manufacturer Ball Bearing/6903zzcm/Nskskftimken Deep Groove Ball Bearing manufacturer
Product Description
Ball bearing/6903ZZCM/Nskskftimken Deep Groove Ball Bearing
1. Model: NSK 6903
2. Type: Deep Groove Ball Bearing
– Deep groove ball bearings are 1 of the most common types of bearings, known for their high load-carrying capacity and smooth operation.
– They are suitable for various applications, including power tools, automotive components, machinery, etc.
3. Dimensional Parameters:
– Inner Diameter (d): 17 millimeters
– Outer Diameter (D): 30 millimeters
– Width (B): 7 millimeters
4. Material:
– The inner and outer rings, as well as the rolling elements, are typically made of high-quality bearing steel to provide sufficient strength and wear resistance.
| Model | Dust cover type | Sealing ring type | Bore Diameter (mm) | Outer Diameter(mm) | Width(mm) |
| 6800 | ZZ | VV/DD/DDU | 10 | 19 | 5 |
| 6900 | ZZ | VV/DD/DDU | 10 | 22 | 6 |
| 6000 | ZZ | VV/DD/DDU | 10 | 26 | 8 |
| 6200 | ZZ | VV/DD/DDU | 10 | 30 | 9 |
| 6300 | ZZ | VV/DD/DDU | 10 | 35 | 11 |
| 6801 | ZZ | VV/DD/DDU | 12 | 21 | 5 |
| 6901 | ZZ | VV/DD/DDU | 12 | 24 | 6 |
| 16001 | – | – | 12 | 28 | 7 |
| 6001 | ZZ | VV/DD/DDU | 12 | 28 | 8 |
| 6201 | ZZ | VV/DD/DDU | 12 | 32 | 10 |
| 6301 | ZZ | VV/DD/DDU | 12 | 37 | 12 |
| 6802 | ZZ | VV/DD/DDU | 15 | 24 | 5 |
| 6902 | ZZ | VV/DD/DDU | 15 | 28 | 7 |
| 16002 | – | – | 15 | 32 | 8 |
| 6002 | ZZ | VV/DD/DDU | 15 | 32 | 9 |
| 6202 | ZZ | VV/DD/DDU | 15 | 35 | 11 |
| 6302 | ZZ | VV/DD/DDU | 15 | 42 | 13 |
| 6803 | ZZ | VV/DD/DDU | 17 | 26 | 5 |
| 6903 | ZZ | VV/DD/DDU | 17 | 30 | 7 |
| 16003 | – | – | 17 | 35 | 8 |
| 6003 | ZZ | VV/DD/DDU | 17 | 35 | 10 |
| 6203 | ZZ | VV/DD/DDU | 17 | 40 | 12 |
| 6303 | ZZ | VV/DD/DDU | 17 | 47 | 14 |
| 6804 | ZZ | VV/DD/DDU | 20 | 32 | 7 |
| 6904 | ZZ | VV/DD/DDU | 20 | 37 | 9 |
| 16004 | – | – | 20 | 42 | 8 |
| 6004 | ZZ | VV/DD/DDU | 20 | 42 | 12 |
| 6204 | ZZ | VV/DD/DDU | 20 | 47 | 14 |
| 6304 | ZZ | VV/DD/DDU | 20 | 52 | 15 |
| 6805 | ZZ | VV/DD/DDU | 25 | 37 | 7 |
| 6905 | ZZ | VV/DD/DDU | 25 | 42 | 9 |
| 16005 | – | – | 25 | 47 | 8 |
| 6005 | ZZ | VV/DD/DDU | 25 | 47 | 12 |
| 6205 | ZZ | VV/DD/DDU | 25 | 52 | 15 |
| 6305 | ZZ | VV/DD/DDU | 25 | 62 | 17 |
| 6806 | ZZ | VV/DD/DDU | 30 | 42 | 7 |
| 6906 | ZZ | VV/DD/DDU | 30 | 47 | 9 |
| 16006 | – | – | 30 | 55 | 9 |
| 6006 | ZZ | VV/DD/DDU | 30 | 55 | 13 |
| 6206 | ZZ | VV/DD/DDU | 30 | 62 | 16 |
| 6306 | ZZ | VV/DD/DDU | 30 | 72 | 19 |
| 6807 | ZZ | VV/DD/DDU | 35 | 47 | 7 |
| 6907 | ZZ | VV/DD/DDU | 35 | 55 | 10 |
| 16007 | – | – | 35 | 62 | 9 |
| 6007 | ZZ | VV/DD/DDU | 35 | 62 | 14 |
| 6207 | ZZ | VV/DD/DDU | 35 | 72 | 17 |
| 6307 | ZZ | VV/DD/DDU | 35 | 80 | 21 |
| 6808 | ZZ | VV/DD/DDU | 40 | 52 | 7 |
| 6908 | ZZ | VV/DD/DDU | 40 | 62 | 12 |
| 16008 | – | – | 40 | 68 | 9 |
| 6008 | ZZ | VV/DD/DDU | 40 | 68 | 15 |
| 6208 | ZZ | VV/DD/DDU | 40 | 80 | 18 |
| 6308 | ZZ | VV/DD/DDU | 40 | 90 | 23 |
| 6809 | ZZ | VV/DD/DDU | 45 | 58 | 7 |
| 6909 | ZZ | VV/DD/DDU | 45 | 68 | 12 |
| 16009 | – | – | 45 | 75 | 10 |
| 6009 | ZZ | VV/DD/DDU | 45 | 75 | 16 |
| 6209 | ZZ | VV/DD/DDU | 45 | 85 | 19 |
| 6309 | ZZ | VV/DD/DDU | 45 | 100 | 25 |
Applications of Deep Groove Ball Bearings:
Deep groove ball bearings are a common type of bearing with a wide range of applications. Here are some common applications of deep groove ball bearings:
1. Electric Motors and Engines: Deep groove ball bearings are commonly used in electric motors and engines to support the rotating motion of the rotor and withstand axial and radial loads.
2. Automotive Industry: Deep groove ball bearings are widely used in the automotive industry, including engine, transmission systems, suspension systems, wheels, and subframes.
3. Machinery Equipment: Deep groove ball bearings are suitable for various machinery equipment, such as industrial machinery, agricultural machinery, construction equipment, textile machinery, etc. They are used for power transmission, supporting rotating components, and reducing friction.
4. Pumps and Fans: Deep groove ball bearings are used in rotating equipment such as pumps and fans to support the rotation of the impeller and provide stable operation.
5. Household Appliances: Deep groove ball bearings are commonly found in household appliances such as washing machines, air conditioners, electric fans, etc., to support the rotation of motor rotors.
6. Industrial Transmissions: Deep groove ball bearings are used in various industrial transmission systems, such as gear transmissions, chain drives, etc., to support rotational motion and transmit torque.
7. Bicycles and Motorcycles: Deep groove ball bearings are widely used in bicycle and motorcycle wheels, steering systems, and engines.
These are just some common applications of deep groove ball bearings. In reality, deep groove ball bearings are widely used in various machinery and industries. Their simple structure and efficient performance make them an ideal choice for many rotating devices.
Deep groove ball bearings have several advantages:
1. High load-carrying capacity: Deep groove ball bearings can withstand both radial and axial loads, making them suitable for various load conditions.
2. Low friction and high efficiency: Deep groove ball bearings have a ball-and-groove structure, resulting in low frictional losses and providing high speed and operational efficiency.
3. Axial stability: The structure of deep groove ball bearings offers good axial stability, allowing them to withstand axial forces and prevent axial displacement.
4. Simplified installation and maintenance: Deep groove ball bearings have a simple structure, making them easy to install and dismantle, saving time and costs. Additionally, they often do not require additional lubrication or sealing devices.
5. Diverse applications: Deep groove ball bearings are widely used in various industries and fields, including machinery, automotive, power tools, and household appliances, meeting different application requirements.
6. High reliability and durability: Deep groove ball bearings are made of high-quality materials and undergo precision manufacturing, ensuring excellent reliability and durability to maintain stable performance during long-term operation.
In summary, deep groove ball bearings offer advantages such as high load-carrying capacity, low friction and high efficiency, axial stability, simplified installation and maintenance, diverse applications, and high reliability and durability. These characteristics make them a crucial type of bearing widely used in various industrial
FAQ
1.What is the minimum order quantity for this product?
Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales, most customers’orders are more than Over 500 sets.
2.What is your latest delivery time?
Most orders will be shipped within 3-5 days of payment being received.
3.Does your company have quality assurance?
Yes, for 1 years.
4.Are you a factory or a trading company?
We have our own cooperative factory, and our business type is a combination of manufacturing and trading.
5.What is the competitiveness of your company’s products compared to other companies?
High precision, high speed, low noise.
6.What are the advantages of your company’s services compared to other companies?
Answer questions online 24 hours a day, reply in a timely manner, 100% after-sales service.
7.Which payment method does your company support?
Do our best to meet customer needs, Can be negotiated.
8.How to contact us quickly?
Please send us an inquiry or message and leave your other contact information, we will contact you as soon as possible and provide the detailed information you need.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Separated: | Unseparated |
|---|---|
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?
Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:
- High-Carbon Chrome Steel (AISI 52100):
This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.
- Stainless Steel (AISI 440C, AISI 304, AISI 316):
Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.
- Ceramic:
Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.
- Plastic (Polyamide, PEEK):
Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.
- Bronze:
Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.
- Hybrid Bearings:
Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.
- Specialty Alloys:
For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.
- Coated Bearings:
Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.
The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.
How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?
Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:
- Size:
The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.
- Load Capacity:
Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.
- Precision:
Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.
- Speed:
Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.
- Friction and Efficiency:
Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.
- Applications:
Miniature ball bearings find applications in various industries and sectors:
- Electronics and Consumer Devices:
They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.
- Medical and Dental Equipment:
Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.
- Robotics and Automation:
Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.
- Aerospace and Defense:
They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.
- Optics and Instrumentation:
Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.
Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.
What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?
Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:
- Reduced Friction:
One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.
- Efficient Load Support:
Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.
- Smooth Rotation:
Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.
- High-Speed Capability:
Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.
- Reduced Wear and Maintenance:
The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.
- Energy Efficiency:
By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.
- Versatility:
Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.
- Reliability and Longevity:
Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.
- Quiet Operation:
Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.
In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.
editor by CX 2024-05-16
China wholesaler Thrust Ball Bearing CZPT F10-21m F10-22m F11-21m F12-18m High-Quality Steel Material for Mechanical Bearing bearing distributors
Product Description
Product Description
Thrust ball bearing CZPT F10-21M F10-22M F11-21M F12-18M High-quality steel material for Mechanical bearing
The thrust ball bearing is designed to bear thrust load at high speed, which is composed of washer ring with ball rolling raceway groove. Because the ring is cushion shaped, the thrust ball bearing can be divided into 2 types: flat bottom cushion type and self-aligning spherical cushion type. In addition, the bearing can bear axial load, but not radial load.
| Product name | Thrust ball bearing |
| Material | Bearing Steel |
| Standard | DIN GB ISO JIS |
| Bearing Package | Barreled, bagged, boxed, palletized or as customers’ requirement. |
| Service | OEM service provided |
| Delivery time | 3-10 days depends on quantity needed |
Detailed Photos
Product Parameters
| Bearing No. | Boundary dimensions(mm) | Load ratings(kN) | Limiting speeds(r/min) | Weight | ||||
| d | D | T | Ca | Coa | Grease | Cor | (kg) | |
| 51100 | 10 | 24 | 9 | 10 | 14 | 6500 | 1000 | 0.02 |
| 51200 | 10 | 26 | 11 | 12.7 | 17.1 | 5700 | 8800 | 0.03 |
| 51101 | 12 | 26 | 9 | 10.3 | 15.4 | 6500 | 10000 | 0.571 |
| 51201 | 12 | 28 | 11 | 13.2 | 19 | 5400 | 8300 | 0.034 |
| 51102 | 15 | 28 | 9 | 10.5 | 16.8 | 6100 | 9400 | 0.571 |
| 51202 | 15 | 32 | 12 | 16.6 | 24.8 | 4900 | 7500 | 0.046 |
| 51103 | 17 | 30 | 9 | 10.8 | 18.2 | 6100 | 9400 | 0.571 |
| 51203 | 17 | 25 | 12 | 17.2 | 27.3 | 4900 | 7500 | 0.053 |
| 51104 | 20 | 25 | 10 | 14.2 | 24.7 | 5100 | 7900 | 0.04 |
| 51204 | 20 | 40 | 14 | 22.3 | 37.7 | 3900 | 6000 | 0.082 |
| 51304 | 20 | 47 | 18 | 35 | 55.8 | 3600 | 4500 | 0.092 |
| 51105 | 25 | 42 | 11 | 19.5 | 37.2 | 4400 | 6800 | 0.059 |
| 51205 | 25 | 47 | 15 | 27.8 | 50.4 | 3600 | 5500 | 0.12 |
| 51305 | 25 | 52 | 18 | 35.7 | 61.4 | 3100 | 4800 | 0.18 |
| 51405 | 25 | 60 | 24 | 55.6 | 89.4 | 2600 | 4000 | 0.34 |
| 51106 | 30 | 47 | 11 | 20.4 | 42.2 | 4300 | 6600 | 0.068 |
| 51206 | 30 | 52 | 16 | 29.3 | 58.2 | 3400 | 5200 | 0.15 |
| 51306 | 30 | 60 | 21 | 42.8 | 78.7 | 2700 | 4200 | 0.27 |
| 51406 | 30 | 70 | 28 | 72.8 | 126 | 2200 | 3400 | 0.53 |
| 51107 | 35 | 52 | 12 | 20.4 | 44.7 | 3900 | 6000 | 0.09 |
| 51207 | 35 | 62 | 18 | 39.2 | 78.2 | 2900 | 4500 | 0.22 |
| 51307 | 35 | 68 | 24 | 55.5 | 105 | 2400 | 3700 | 0.39 |
| 51407 | 35 | 80 | 32 | 87.1 | 155 | 1900 | 2900 | 0.79 |
| 51108 | 40 | 60 | 13 | 26.9 | 62.8 | 3400 | 5300 | 0.12 |
| 51208 | 40 | 68 | 19 | 46.9 | 98.3 | 2700 | 4200 | 0.27 |
| 51308 | 40 | 78 | 26 | 69.3 | 135 | 2100 | 3300 | 0.55 |
| 51408 | 40 | 90 | 36 | 113 | 205 | 1700 | 2600 | 1.14 |
| 51109 | 45 | 65 | 14 | 27.8 | 69.1 | 3200 | 5000 | 0.15 |
| 51209 | 45 | 73 | 20 | 47.7 | 105 | 2600 | 4000 | 0.32 |
| 51309 | 45 | 85 | 28 | 80 | 163 | 1900 | 3000 | 0.69 |
| 51409 | 45 | 100 | 39 | 130 | 242 | 1500 | 2300 | 1.47 |
| 51110 | 50 | 70 | 14 | 28.8 | 75.4 | 3100 | 4800 | 0.16 |
| 51210 | 50 | 78 | 22 | 48.5 | 111 | 2300 | 3600 | 0.39 |
| 51310 | 50 | 95 | 31 | 91.6 | 186 | 1800 | 2700 | 1 |
| 51410 | 50 | 110 | 43 | 148 | 283 | 1400 | 2100 | 1.99 |
| 51111 | 55 | 78 | 16 | 34.8 | 93.1 | 2800 | 4300 | 0.24 |
| 51211 | 55 | 90 | 25 | 69.4 | 159 | 2100 | 3200 | 0.61 |
| 51311 | 55 | 105 | 35 | 119 | 246 | 1600 | 2400 | 1.34 |
| 51411 | 55 | 120 | 48 | 178 | 359 | 1200 | 1900 | 2.64 |
| 51112 | 60 | 85 | 17 | 41.4 | 113 | 2600 | 4000 | 0.29 |
| 51212 | 60 | 95 | 26 | 73.6 | 179 | 1900 | 3000 | 0.69 |
| 51312 | 60 | 110 | 35 | 124 | 267 | 1500 | 2300 | 1.43 |
| 51412 | 60 | 130 | 51 | 201 | 397 | 1100 | 1700 | 3.51 |
| 51113 | 65 | 90 | 18 | 41.7 | 117 | 2400 | 3700 | 0.34 |
| 51213 | 65 | 100 | 27 | 74.8 | 189 | 1900 | 2900 | 0.77 |
| 51313 | 65 | 155 | 36 | 128 | 287 | 1400 | 2200 | 1.57 |
| 51413 | 65 | 140 | 56 | 232 | 493 | 1000 | 1600 | 4.47 |
| 51114 | 70 | 95 | 18 | 43 | 127 | 2300 | 3600 | 0.36 |
| 51214 | 70 | 105 | 27 | 73.6 | 189 | 1800 | 2800 | 0.81 |
| 51314 | 70 | 125 | 40 | 148 | 339 | 1300 | 2000 | 2.06 |
| 51414 | 70 | 150 | 60 | 250 | 553 | 940 | 1450 | 5.48 |
| 51115 | 75 | 100 | 19 | 42.3 | 127 | 2200 | 3400 | 0.42 |
| 51215 | 75 | 110 | 27 | 7.74 | 209 | 1800 | 2700 | 0.86 |
| 51315 | 75 | 135 | 44 | 171 | 396 | 1200 | 1900 | 2.68 |
| 51415 | 775 | 160 | 65 | 252 | 560 | 880 | 1350 | 6.75 |
| 51116 | 80 | 105 | 19 | 44.6 | 141 | 2100 | 3300 | 0.43 |
| 51216 | 80 | 115 | 28 | 78.5 | 218 | 1700 | 2600 | 0.95 |
| 51316 | 80 | 140 | 44 | 176 | 242 | 1200 | 1800 | 2.82 |
| 51117 | 85 | 110 | 19 | 45.9 | 150 | 2100 | 3200 | 0.46 |
| 51217 | 85 | 125 | 31 | 92.3 | 251 | 1500 | 2300 | 1.29 |
| 51317 | 85 | 150 | 49 | 206 | 498 | 1100 | 1700 | 3.66 |
| 51118 | 90 | 120 | 22 | 59.7 | 190 | 1900 | 2900 | 0.68 |
| 51218 | 90 | 135 | 35 | 117 | 326 | 1400 | 2100 | 1.77 |
| 51318 | 90 | 155 | 50 | 213 | 524 | 1000 | 1600 | 3.88 |
| 51120 | 100 | 135 | 25 | 85 | 268 | 1600 | 2500 | 0.99 |
| 51220 | 100 | 150 | 38 | 147 | 410 | 1200 | 1900 | 2.36 |
| 51320 | 100 | 170 | 55 | 236 | 596 | 940 | 1450 | 5.11 |
| 51122 | 110 | 145 | 25 | 87.1 | 288 | 1600 | 2400 | 1.08 |
| 51222 | 110 | 160 | 38 | 148 | 431 | 1200 | 1800 | 2.57 |
| 51322 | 110 | 190 | 63 | 280 | 754 | 810 | 1250 | 7.72 |
| 51124 | 120 | 155 | 25 | 89 | 308 | 1500 | 2300 | 1.16 |
| 51224 | 120 | 170 | 39 | 154 | 472 | 1100 | 1700 | 2.86 |
| 51126 | 130 | 170 | 30 | 104 | 352 | 130 | 2000 | 1.87 |
| 51226 | 130 | 190 | 45 | 203 | 622 | 970 | 1500 | 4.09 |
| 51128 | 140 | 180 | 31 | 107 | 377 | 1200 | 1900 | 2.2 |
| 51228 | 140 | 200 | 46 | 215 | 669 | 940 | 1450 | 4.46 |
| 51130 | 150 | 190 | 31 | 109 | 402 | 1200 | 1900 | 2.15 |
| 51230 | 150 | 215 | 50 | 244 | 768 | 840 | 1300 | 5.64 |
51100 51101 51102 51103 51104 51105 51106 51107
51108 51109 51110 51111 51112 51113 51114 51115
51116 51117 51118 51120 51122 51124 51126 51128
51130 51132 51314 51316 51138 51140 51144 51148
51130M 51134M 51136M 51138M 51140M 51144M 51148M 51152M
51156M 51160M 51164M 51168M 51172M 51176M 51180M 51184M
51200 51201 51202 51203 51204 51205 51206 51207
51208 51209 51210 51211 51212 51213 51214 51215
51216 51217 51218 51220 51222 51224 51226 51228
51230 51232 51234 51236 51238 51240 51244 51248
51220M 51222M 51224M 51226M 51228M 51230M 51232M 51234M
52136M 51238M 51240M 51244M 51248M 51252M 51256M 51260M
51264M 51268M 51272M
51304 51305 51306 51307 51308 51309 51310 51311
51312 51313 51314 51315 51316 51317 51318 51320
51322 51324 51328 51330 51332 51334 51336 51340
51320M 51322M 51320M 51324M 51326M 51328M 51330M 51334M
51336M 51340M 51344M 51348M
51405 51406 51407 51408 51409 51410 51411 51412 51413
51414 51415 51416 51417 51418 51420 51422 51424 51426
51415M 51416M 51418M 51420M 51422M 51426M 51428M 51430M 51436M
52205 52206 52207 52208 52209 52210 52211 52212
52213 52214 52215 52216 52217 52218 52220 52222
53204 53205 53206 53207 53208 53209 53210 53211
53305 53306 53307 53308 53309 53310
511/500 511/600 511/670 511/750 591/600 591/670 5691/1000
511/500M 511/670M 591/670M
F2-6M F2.5-6M F3-8M F4-9M F4-10M F5-10M F5-1M1 F5-12M F6-10M
F6-11M F6-12M F6-14M F6-14.2M F6-14.2M F7-13M F7-14.5M F7-15M
F7-17M F8-14M F8-15M F/-16M F8-19M F8-22M F9-17M F9-20M F10-16M
F10-17M F10-18M F10-19M F10-20M F10-21M F10-22M F11-21M F12-18M
F12-19M F12-20M F12-21M F12-23M F13-22M F16-20M ALK1507 ALK1810
Packaging & Shipping
Company Profile
Our Advantages
Our Advantages:
1. World-Class Bearing: We provide our customers with all types of indigenous bearing with world-class quality.
2. OEM or Non-Stand Bearings: Any requirement for Nonstandard bearings is Easily Fulfilled by us due to its vast knowledge and links in the industry.
3. Genuine products With Excellent Quality: The company has always proved the 100% quality products it provides with genuine intent.
4. After Sales Service and Technical Assistance: The company provides after-sales service and technical assistance as per the customer’s requirements and needs.
5. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain.
SAMPLES
1. Samples quantity: 1-10 PCS are available.
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost.
3. It’s better to start your order with Trade Assurance to get full protection for your samples order.
CUSTOMIZED
The customized LOGO or drawing is acceptable for us.
MOQ
1. MOQ: 10 PCS standard bearings.
2. MOQ: 1000 PCS customized your brand bearings.
OEM POLICY
1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield.
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don’t disclose any info.
FAQ
1.What is the minimum order quantity for this product?
Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales, most customers’orders are more than 1 ton.
2.What is your latest delivery time?
Most orders will be shipped within 7-15 days of payment being received.
3.Does your company have quality assurance?
Yes, for 1 years.
4.What is the competitiveness of your company’s products compared to other companies?
High precision, high speed, low noise.
5.What are the advantages of your company’s services compared to other companies?
Answer questions online 24 hours a day, reply in a timely manner, and provide various documents required by customers for customs clearance or sales. 100% after-sales service.
6.Which payment method does your company support?
Do our best to meet customer needs, negotiable.
7.How to contact us quickly?
Please send us an inquiry or message and leave your other contact information, such as phone number, account or account, we will contact you as soon as possible and provide the detailed information you need.
Please feel free to contact us, if you have any other question
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Product Name: | Thrust Ball Bearing |
|---|---|
| Application: | Automobile, Rolling Mill, Mine, Metallurgy |
| Lubrication: | Grease or Oil |
| Precision Rating: | P0 P6 P5 P4 P2 |
| Vibration: | Z1V1 Z2V2 Z3V3 |
| Certification: | ISO9001:2008 |
| Samples: |
US$ 10/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.
What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?
Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:
- Effective Sealing:
Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.
- Clean Environment:
Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.
- Proper Handling:
Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.
- Clean Tools and Equipment:
Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.
- Contamination-Controlled Workstations:
Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.
- Proper Lubrication:
Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.
- Regular Inspections:
Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.
- Training and Education:
Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.
- Environmental Controls:
In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.
- Regular Cleaning and Maintenance:
Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.
- Selection of Suitable Bearings:
Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.
By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.
How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?
Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:
- Design:
Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.
Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.
- Friction and Efficiency:
Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.
Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.
- Load Capacity:
Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.
Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.
- Variability:
Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.
Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.
- Speed Capability:
Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.
Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.
- Applications:
Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.
Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.
In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.
editor by CX 2024-05-16
China wholesaler Wholesale Fast Delivery High Quality and Low Price Thrust Ball Bearing 51203 51204 51205 Thrust Ball Bearings for Automobile Wheel Bearing carrier bearing
Product Description
Introduction:
Introducing our Eight-Class Thrust Ball Bearings for Your Business Needs!
Are you searching for top-tier ball bearings to enhance the performance of your industrial machinery? Look no further! Our Eight-Class Thrust Ball Bearings are engineered to deliver unparalleled advantages.
1. Exceptional Load Capacity: Our bearings are designed to handle heavy axial loads with ease, ensuring the reliable operation of your equipment even in the most demanding environments.
2. Precision Engineering: Crafted with precision and attention to detail, these bearings offer outstanding accuracy and minimal friction, contributing to the efficiency and longevity of your machines.
3. Reduced Downtime: With our Eight-Class Thrust Ball Bearings, you can count on reduced downtime and maintenance costs, allowing your business to stay productive and profitable.
4. Versatile Applications: Whether you’re in the automotive, aerospace, manufacturing, or any other
Parameter:
| Product Name | Ball bearing Xihu (West Lake) Dis.r bearing Piliow bilock bearing Needle roller bearing Thrust ball bearing |
| Brand Name | KSA |
| Material | Gcr15 |
| Precision Grade | P0,P6,P5 |
| Certification | ISO 9001 |
| Packeage | Box /Carton/Wooden Box/Plastic Tube or Per buyers requirement |
| MOQ | Depending On Moedl |
| Serice | OEM |
| Sample | Available |
| Payment | TT or L/C or Western Union |
| Port | HangZhou ZheJiang HangZhou |
| Model | Internal diameter | External diameter | Height |
| 51100 | 10 | 24 | 9 |
| 51101 | 12 | 26 | 9 |
| 51102 | 15 | 28 | 9 |
| 51103 | 17 | 30 | 9 |
| 51104 | 20 | 35 | 10 |
| 51105 | 25 | 42 | 11 |
| 51106 | 30 | 47 | 11 |
| 51107 | 35 | 52 | 12 |
| 51108 | 40 | 60 | 13 |
| 51109 | 45 | 65 | 14 |
| 51110 | 50 | 70 | 14 |
| 51111 | 55 | 78 | 16 |
| 52202 | 10 | 32 | 22 |
| 52203 | 12 | 35 | 22 |
| 52204 | 15 | 40 | 26 |
| 52205 | 20 | 47 | 28 |
| 52206 | 25 | 52 | 29 |
| 52207 | 30 | 62 | 34 |
| 52208 | 30 | 68 | 36 |
| 52209 | 35 | 73 | 37 |
| 52210 | 40 | 78 | 39 |
| 52211 | 45 | 90 | 45 |
| 52212 | 50 | 95 | 46 |
| 52213 | 55 | 100 | 47 |
| 52214 | 55 | 105 | 47 |
| 52215 | 60 | 110 | 47 |
| 52216 | 65 | 115 | 48 |
| 52217 | 70 | 125 | 55 |
| 52218 | 75 | 135 | 62 |
| 52220 | 85 | 150 | 67 |
| 52222 | 95 | 160 | 67 |
| 52224 | 100 | 170 | 68 |
| 52226 | 110 | 190 | 80 |
| 52228 | 120 | 200 | 81 |
| 52230 | 130 | 215 | 89 |
| 52232 | 140 | 225 | 90 |
| 52234 | 150 | 240 | 97 |
| 52236 | 150 | 250 | 98 |
| 52238 | 160 | 270 | 109 |
| 52240 | 170 | 280 | 109 |
| 53200U | 10 | 28 | 13 |
| 53201U | 12 | 30 | 13 |
| 53202U | 15 | 35 | 15 |
| 53203U | 17 | 38 | 15 |
| 53204U | 20 | 42 | 17 |
| 53205U | 25 | 50 | 19 |
| 53206U | 30 | 55 | 20 |
| 53207U | 35 | 65 | 22 |
| 53208U | 40 | 72 | 23 |
| 53209U | 45 | 78 | 24 |
| 53210U | 50 | 82 | 26 |
| 53211U | 55 | 95 | 30 |
| 53212U | 60 | 100 | 31 |
| 53213U | 65 | 105 | 32 |
| 53214U | 70 | 110 | 32 |
| 53215U | 75 | 115 | 32 |
| 53216U | 80 | 120 | 33 |
| 53217U | 85 | 130 | 37 |
| 53218U | 90 | 140 | 42 |
| 53220U | 100 | 155 | 45 |
| 53222U | 110 | 160 | 45 |
| 53224U | 120 | 170 | 39 |
| 53226U | 130 | 190 | 47.9 |
| 53228U | 140 | 200 | 46 |
| 53230U | 150 | 215 | 50 |
FAQ
Q: What is the MOQ?
A: It depends on the bearing type. You can send inquiry or send e-mail for more information.
Q: How about the package?
A: Industrial packing in general condition (Plastic drums/boxes/industrial packaging + cartons + pallets). Accept design package when OEM.
Q: How long is the delivery time?
A: It will take about 10 to 40 days, depends on the model and quantity.
Q:What are the advantages of your company’s services compared to other companies?
A: Factory direct supply, price advantage, 24 hours online timely reply, Provide customers with customs clearance
and quality of various documents, 100% after-sales service
Q:OEM POLICY
A:We can printing your brand (logo,artwork)on the bearings or laser engraving your brand on the bearings.
We can custom your packaging according to your design All copyright own by clients and we promised don’t
disclose any info.
Q:How to contact us quickly?
A:Please send us an inquiry or message and leave your other contact information, such as phone number,
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/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Load Direction: | Thrust Bearing |
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| Material: | Bearing Steel |
| Cage: | Stamping |
| Samples: |
US$ 2/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?
Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:
- High-Carbon Chrome Steel (AISI 52100):
This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.
- Stainless Steel (AISI 440C, AISI 304, AISI 316):
Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.
- Ceramic:
Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.
- Plastic (Polyamide, PEEK):
Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.
- Bronze:
Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.
- Hybrid Bearings:
Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.
- Specialty Alloys:
For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.
- Coated Bearings:
Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.
The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.
What Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?
Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:
- Contaminant Exclusion:
Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.
- Lubrication Retention:
Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.
- Corrosion Prevention:
Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.
- Extended Bearing Life:
Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.
- Enhanced Performance in Harsh Environments:
In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.
- Noise and Vibration Reduction:
Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.
- Customized Protection:
Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.
- Trade-Offs:
While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions.
Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of applications.
What are the Different Components that Make up a Typical Ball Bearing?
A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:
- Outer Ring:
The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.
- Inner Ring:
The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.
- Balls:
The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.
- Cage or Retainer:
The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.
- Seals and Shields:
Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.
- Lubricant:
Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.
- Flanges and Snap Rings:
In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.
- Raceways:
Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.
- Anti-Friction Shield:
In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.
These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.
editor by CX 2024-05-16
China Custom Ebl. 20.0544.201-2stpn Wholesale Single Row Ball Bearing Slewing Bearing bearing and race
Product Description
EBL.20.0544.201-2STPN Wholesale Single Row Ball Slewing Bearings
Four-point contact ball slewing turntable bearings
consist of 2 ring seats. Compact structure, light weight, steel ball and arc track contact at 4 points, can bear axial force, radial force and overturning moment at the same time, has strong dynamic load.
Single row cross roller slewing bearing
Composed of 2 or 3 rings. compact structure, light weight, high manufacturing accuracy, small assembly gap and high requirement for installation accuracy. Rollers are 1:1 cross-arranged.
Can be bear axial force, overturning moment and large radial force at the same time,and widely used in lifting transportation, construction machinery and precesion products.
Double row ball slewing bearings
This kind of bearings can support high static loads with simple structures. They are mainly used in situations with variation load position and direction and continuously rotating. Main applications of this kind of bearings are deck hoisting, mining and material handling etc.
Three row roller slewing bearing
Three row roller bearing CZPT to bear all kinds of loads at the same time, it is the largest 1 of the 4 structural products with large axle and radial dimensions and firm structure. Especially suitable for heavy machinery requiring larger diameter, such as bucket wheel stacker and reclaimer, wheel crane, marine crane, port crane, ladle turret,large tonnage truck crane,heavy machinery and so on.
product-list-1.html
| Type | • Single row 4 point contact ball slewing bearing • Single row crossed cylindrical roller slewing bearings • Double row ball slewing bearings •Double row Roller/ball combination slewing bearing •Three-Row Roller Slew Ring Bearing |
| Rolling elements | Steel ball / Cylinder Roller |
| Rolling elements Material | GCr5/GCr15SiMn/Customized |
| Bearing Material | 50Mn/42CrMo/42CrMo4V /Customized |
| Cage Material | Nylon/ steel /copper |
| Structure | taper pin , Mounting holes,Inner ring ,grease fitting,load plug, seals , roller ,spacer balls or separators |
| Outer diameter | 50-10000mm |
| Bore size | 50-10000mm |
| Mounting hole | Through hole/Tapped hole |
| Raceway hardness | 55-62HRC |
| Inner and outer ring modulation hardness |
229-269HB/Customized |
| Gear type | No gear ,Internal gear , External gear. |
| Embellish grease | EP2 lithium lubricating grease |
| Certificate | ABS.BV,DNV,ISO9001,GL,3.1,3.2 |
| Application area | Ladle turret,Stacker crane,Bucket wheel machine,Solar heliostat Tracking System,port crane, Cabling machine,tower crane , offshore platform,ferris wheel, Palletizing robot,Rotary metallurgical furnace,can packing machine,Wind blade transporter,shield tunneling machine,tube push bench,excavator |
| Brand Name | LYMC |
| Place of Origin | HangZhou ZheJiang |
| Warranty | 12 months |
| Payment term | T/T is our first choice |
|
Packing details |
1,Filling with anti-rust oil 2.Corved with Plastic paper 3.Corved with kraft paper 4.Corved with Blue tie 5.Put in wooden box |
Product Process
Application:
– Excavators – Drilling rigs – Mining Equipments – Cranes -Offshore Equipments – Vehicles – Machine Tools – Wind Turbines
About Us:
HangZhou MC Bearing Technology Co.,Ltd (LYMC),who is manufacture located in bearing zone, focus on Slewing bearing, cross roller bearing and pinion,Dia from 50mm-8000mm, Our team with technical and full experience in the bearing industry.
*Professional in researching, developing, producing & marketing high precision bearings for 16 years;
*Many series bearings are on stock; Factory directly provide, most competitive price;
*Advanced CNC equipment, guarantee product accuracy & stability;
*One stop purchasing, product include cross roller bearing, rotary table bearing, robotic bearing, slewing bearing, angular contact ball bearing, large and extra large custom made bearing, diameter from 50~9000mm;
*Excellent pre-sale & after sale service. We can go to customers’ project site if needed.
*Professional technical & exporting team ensure excellent product design, quotation, delivering, documentation & custom clearance.
Our Service:
FAQ:
1.Q: Are you trading company or manufacturer ?
A: We are professional slewing bearing manufacturer with 20 years’ experience.
2.Q: How long is your delivery time?
A: Generally it is 4-5 days if the goods are in stock. or it is 45 days if the goods are not in
stock, Also it is according to quantity.
3.Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample, it is extra.
4.Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance, balance before shipment.
5.Q: Can you provide special customization according to the working conditions?
A: Sure, we can design and produce the slewing bearings for different working conditions.
6.Q: How about your guarantee?
A: We provide lifelong after-sales technical service.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Standard or Nonstandard: | Standard |
|---|---|
| Feature: | High Speed, Cold-Resistant, Corrosion-Resistant, Heat-Resistant |
| Sealing Gland: | Sealed On Both Sides |
| Rolling-Element Number: | Single-Row |
| Roller Type: | Straight Raceway |
| Material: | 50mn/42CrMo |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.
What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?
Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:
- Design and Geometry:
Deep Groove Ball Bearings:
Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.
Angular Contact Ball Bearings:
Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.
- Load Carrying Capacity:
Deep Groove Ball Bearings:
Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.
Angular Contact Ball Bearings:
Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.
- Contact Angle:
Deep Groove Ball Bearings:
Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.
Angular Contact Ball Bearings:
Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.
- Applications:
Deep Groove Ball Bearings:
Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.
Angular Contact Ball Bearings:
Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.
- Limitations:
Deep Groove Ball Bearings:
Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.
Angular Contact Ball Bearings:
Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.
In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.
How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?
Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:
- Design:
Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.
Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.
- Friction and Efficiency:
Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.
Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.
- Load Capacity:
Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.
Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.
- Variability:
Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.
Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.
- Speed Capability:
Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.
Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.
- Applications:
Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.
Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.
In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.
editor by CX 2024-05-16
China Standard China Bearing Factory Supplier Angular Contact Ball Bearing 7018AC 7018acm 71818c bearing distributors
Product Description
Product Parameters
| Bearing type | Boundary Dimensions( mm ) | Speed Rating(ipm) | Load Rating(kn) | Weight(kg) | ||||
| d | D | B | Grease lubrication | Oil lubrication | Dynamic Cr | Static Cor | ||
| 7000AC | 10 | 26 | 8 | 22000 | 30000 | 4.55 | 1.97 | 0.019 |
| 7001AC | 12 | 28 | 8 | 20000 | 26000 | 5.1 | 2.38 | 0.571 |
| 7002AC | 15 | 32 | 9 | 19000 | 24000 | 5.58 | 2.85 | 0.03 |
| 7003AC | 17 | 35 | 10 | 17000 | 21000 | 6 | 3.25 | 0.04 |
| 7004AC | 20 | 42 | 12 | 16000 | 19000 | 9.38 | 5.02 | 0.069 |
| 7005AC | 25 | 47 | 12 | 15000 | 18000 | 10.1 | 5.85 | 0.08 |
| 7006AC | 30 | 55 | 13 | 13000 | 15000 | 13.2 | 8.3 | 0.116 |
| 7007AC | 35 | 62 | 14 | 11000 | 13000 | 16 | 10.3 | 0.155 |
| 7008AC | 40 | 68 | 15 | 9000 | 11000 | 17 | 11.8 | 0.185 |
| 7009AC | 45 | 75 | 16 | 8000 | 10000 | 21 | 14.8 | 0.23 |
| 7571AC | 50 | 80 | 16 | 7000 | 9000 | 22.05 | 16.21 | 0.25 |
| 7011AC | 55 | 90 | 18 | 7000 | 8500 | 30.2 | 21.8 | 0.362 |
| 7012AC | 60 | 95 | 18 | 6300 | 7500 | 31.65 | 24.22 | 0.385 |
| 7013AC | 65 | 100 | 18 | 6000 | 7000 | 32 | 24.72 | 0.41 |
| 7014AC | 70 | 110 | 20 | 5000 | 6700 | 38.5 | 30.5 | 0.575 |
| 7015AC | 75 | 115 | 20 | 5300 | 6300 | 40.2 | 33.2 | 0.603 |
| 7016AC | 80 | 125 | 22 | 5000 | 6000 | 47.5 | 39.8 | 0.821 |
| 7017AC | 85 | 130 | 22 | 4500 | 5600 | 50.8 | 42.8 | 0.848 |
| 7018AC | 90 | 140 | 24 | 4300 | 5300 | 58 | 49.8 | 1.1 |
| 7019AC | 95 | 145 | 24 | 4000 | 5000 | 57.8 | 50 | 1.15 |
| 7571AC | 100 | 150 | 24 | 3800 | 4800 | 64.5 | 56.2 | 1.18 |
| 7571AC | 110 | 170 | 28 | 3400 | 4300 | 81.8 | 72.8 | 1.89 |
| 7571AC | 120 | 180 | 28 | 3000 | 3800 | 87.5 | 79.2 | 1.99 |
| 7026AC | 130 | 200 | 33 | 2800 | 3600 | 105 | 96.8 | 3.08 |
| 7571AC | 140 | 210 | 33 | 2400 | 3200 | 116 | 108 | 3.17 |
| 7030AC | 150 | 225 | 35 | 2200 | 3000 | 132 | 125 | 3.9 |
| 7032AC | 160 | 240 | 38 | 2000 | 2800 | 145 | 138 | 4.83 |
| 7034AC | 170 | 260 | 42 | 1900 | 2600 | 170 | 170 | 6.5 |
| 7036AC | 180 | 280 | 46 | 1300 | 2400 | 188 | 198 | 8.51 |
| Model | Model | Model | Model | Model | Model | Model | Model | Model | Model | Model | Model |
| 7000AC | 7212AC | 7408AC | 7048ACM | 7308ACM | 71801C | 71912C | QJ212M | 7201BTN | 7224BM | 7305BM | 7408BM |
| 7001AC | 7213AC | 7409AC | 7309ACM | 71802C | 71913C | QJ213M | 7202BTN | 7226BM | 7306BM | 7409BM | |
| 7002AC | 7214AC | 7410AC | 7200ACM | 7310ACM | 71803C | 71914C | QJ214M | 7203BTN | 7228BM | 7307BM | 7410BM |
| 7003AC | 7215AC | 7411AC | 7201ACM | 7311ACM | 71804C | 71915C | QJ215M | 7204BTN | 7230BM | 7308BM | 7412M |
| 7004AC | 7216AC | 7412AC | 7202ACM | 7312ACM | 71805C | 71916C | QJ216M | 7205BTN | 7232BM | 7309BM | 7413BM |
| 7005AC | 7217AC | 7413AC | 7203ACM | 7313ACM | 71806C | 71917C | QJ217M | 7206BTN | 7234BM | 7310BM | 7414BM |
| 7006AC | 7218AC | 7414AC | 7204ACM | 7314ACM | 71807C | 71918C | QJ218M | 7207BTN | 7236BM | 7311BM | 7416BM |
| 7007AC | 7219AC | 7415AC | 7205ACM | 7315ACM | 71808C | 71919C | QJ219M | 7208BTN | 7238BM | 7312BM | 7432BM |
| 7008AC | 7220AC | 7416AC | 7206ACM | 7316ACM | 71809C | 71920C | QJ220M | 7209BTN | 7240BM | 7313BM | |
| 7009AC | 7221AC | 7207ACM | 7317ACM | 71810C | 71921C | QJ222M | 7210BTN | 7244BM | 7314BM | ||
| 7571AC | 7222AC | 7000ACM | 7208ACM | 7318ACM | 71811C | 71922C | QJ224M | 7211BTN | 7248BM | 7315BM | |
| 7011AC | 7224AC | 7001ACM | 7209ACm | 7319AC | 71812C | 71924C | QJ226M | 7212BTN | 7252 BM | 7316BM | |
| 7012AC | 7226AC | 7002ACM | 7210ACM | 7320ACM | 71813C | 71926C | QJ228M | 7213BTN | 7256BM | 7317BM | |
| 7013AC | 7228AC | 7003ACM | 7211ACM | 7321ACM | 71814C | 71928C | QJ230M | 7214BTN | 7260BM | 7319BM | |
| 7014AC | 7230AC | 7004ACM | 7212ACM | 7322ACM | 71815C | 71930C | QJ232M | 7215BTN | 7264BM | 7320BM | |
| 7015AC | 7005ACM | 7213ACM | 7324ACM | 71816C | 71932C | QJ234M | 7216BTN | 7322BM | |||
| 7016AC | 7301AC | 7006ACM | 7214ACM | 7326ACM | 71817C | 71934C | QJ236M | 7217BTN | 7324BM | ||
| 7017AC | 7302AC | 7007ACM | 7215ACM | 7328ACM | 71818C | 71936C | QJ240M | 7218BTN | 7326BM | ||
| 7018AC | 7303AC | 7008ACM | 7216ACM | 7330ACM | 71819C | 71938C | QJ244M | 7301BTN | 7328BM | ||
| 7019AC | 7304AC | 7009ACM | 7217ACM | 7332ACM | 71820C | 71940C | 7219BTN | 7302BTN | 7330BM | ||
| 7571AC | 7305AC | 7571ACM | 7218ACM | 7334ACM | 71821C | 7220BTN | 7332BM | ||||
| 7571AC | 7306AC | 7011ACM | 7219ACM | 7336ACM | 71822C | QJ1018M | QJ305M | 7222BTN | 7304BTN | 7334BM | |
| 7571AC | 7307AC | 7012ACM | 7220ACM | 7340ACM | 71824C | QJ1571M | QJ306M | 7224BTN | 7305BTN | 7336BM | |
| 7571AC | 7308AC | 7013ACM | 7221ACM | 71826C | QJ1571M | QJ307M | 7226BTN | 7306BTN | 7338BM | ||
| 7026AC | 7309AC | 7014ACM | 7222ACM | 71828C | QJ1571M | QJ308M | 7307BTN | 7340BM | |||
| 7571AC | 7310AC | 7015ACM | 7224ACM | 7405ACM | 71830C | QJ1026M | QJ309M | 7308BTN | 7344BM | ||
| 7030AC | 7311AC | 7016ACM | 7226ACM | 7406ACM | 71832C | QJ1571M | QJ310M | 7309BTN | 7318BM | ||
| 7032AC | 7312AC | 7017ACM | 7228ACM | 7407ACM | 71834C | QJ1030M | QJ311M | 7206BM | 7310BTN | 7356BM | |
| 7034AC | 7313AC | 7018ACM | 7230ACM | 7408ACM | 71836C | QJ1032M | QJ312M | 7207BM | 7311BTN | ||
| 7036AC | 7314AC | 7019ACM | 7232ACM | 7409ACM | 71838C | QJ1034M | QJ313M | 7208BM | 7312BTN | ||
| 7315AC | 7571ACM | 7234ACM | 7410ACM | 71840C | QJ1036M | QJ314M | 7209BM | 7313BTN | |||
| 7200AC | 7316AC | 7571ACM | 7236ACM | 7411ACM | QJ1038M | QJ315M | 7210BM | 7314BTN | |||
| 7201AC | 7317AC | 7571ACM | 7238ACM | 7412ACM | 71901C | QJ1040M | QJ316M | 7211BM | 7315BTN | ||
| 7202AC | 7318AC | 7571ACM | 7240ACM | 7413ACM | 71902C | QJ1044M | QJ317M | 7212BM | 7316BTN | ||
| 7203AC | 7319AC | 7026ACM | 7244ACM | 7414ACM | 71903C | QJ1048M | QJ318M | 7213BM | 7317BTN | ||
| 7204AC | 7320AC | 7571ACM | 7415A0M | 71904C | QJ319M | 7214BM | 7318BTN | ||||
| 7205AC | 7321AC | 7030ACM | 7301ACM | 7416ACM | 71905C | QJ205M | QJ320M | 7215BM | 7319BTN | ||
| 7206AC | 7322AC | 7032ACM | 7302ACM | 7417ACM | 71906C | QJ206M | QJ322M | 7216BM | 7320BTN | ||
| 7207AC | 7324AC | 7034ACM | 7303ACM | 7418ACM | 71907C | QJ207M | QJ324M | 7217BM | 7322BTN | ||
| 7208AC | 7036ACM | 7304A0M | 7420ACM | 71908C | QJ208M | QJ326M | 7218BM | ||||
| 7209AC | 7405AC | 7038ACM | 7305ACM | 7432ACM | 71909C | QJ209M | QJ328M | 7219BM | |||
| 7210AC | 7406AC | 7040ACM | 7306ACM | 71910C | QJ210M | QJ330M | 7220BM | ||||
| 7211AC | 7407AC | 7044ACM | 7307ACM | 71911C | QJ211M | QJ336M | 7222BM |
Our business:Produce and customize various bearing brands. (Packaging and logo can be customized. All copyright belongs to the customer. We promise not to disclose any information.)
We can supply a wide range of Auto bearings. The bearings are widely applicable to themost of cars in the world.
Detailed Photos
Packaging & Shipping
Company Profile
HangZhou Haver Seiko Bearing Co.,Ltd. is a high-end Automotive bearing manufacturer from ZheJiang China. Its headquarters is located in HangZhou,ZheJiang Province.HangZhou Haver Seiko Bearing Co.,Ltd. Exports 80% of its auto parts,covering more than 40% countries in Europe,the Middle East,Southeast Asia, and South America.
As a high-end brand in the automotive bearing manufacturing industry, HangZhou Haver Seiko Bearing Co.,Ltd. has more than 20 years of experience in automotive design and manufacturing,and can meet the most stringent requirements of customers.
Exhibitions&Partners
FAQ
Q:Are you trading company or manufacturer?
–We are the company dealing in trading business and manufacturing business.
Q:What’s the MOQ?
–MOQ is 2pcs for standardized products; 300pcs for customized products. There is no MOQ for sample orders.
Q:How long is the lead time?
–The lead time for sample orders is 1-3 days, for bulk orders is generally in 3-15 days.The delivery time is generally in 2 days after payment. It’s according to the order amount.
Q:Do you offer free samples?
–If you place an order, we can return part of sample fee even all of fee to you. It also depends on the quantity of order and the type of sample. And you just need to pay freight.
Q: Could you customized for me?
–Sure,we can supply OEM service as per your drawing or samples.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Contact Angle: | 25° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?
Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:
- Unusual Noise:
If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.
- Vibration:
Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.
- Increased Temperature:
Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.
- Irregular Movement:
If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.
- Reduced Performance:
If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.
- Visible Wear or Damage:
Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.
- Leakage or Contamination:
If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.
- Looseness or Excessive Play:
If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.
- Reduced Lifespan:
If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.
- Frequent Failures:
If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.
It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.
How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?
Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:
- Size:
The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.
- Load Capacity:
Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.
- Precision:
Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.
- Speed:
Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.
- Friction and Efficiency:
Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.
- Applications:
Miniature ball bearings find applications in various industries and sectors:
- Electronics and Consumer Devices:
They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.
- Medical and Dental Equipment:
Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.
- Robotics and Automation:
Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.
- Aerospace and Defense:
They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.
- Optics and Instrumentation:
Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.
Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.
What is a Ball Bearing and How does it Function in Various Applications?
A ball bearing is a type of rolling-element bearing that uses balls to reduce friction between moving parts and support radial and axial loads. It consists of an outer ring, an inner ring, a set of balls, and a cage that separates and maintains a consistent spacing between the balls. Here’s how ball bearings function in various applications:
- Reduction of Friction:
Ball bearings function by replacing sliding friction with rolling friction. The smooth, spherical balls minimize the contact area between the inner and outer rings, resulting in lower friction and reduced heat generation.
- Radial and Axial Load Support:
Ball bearings are designed to support both radial loads (forces perpendicular to the shaft’s axis) and axial loads (forces parallel to the shaft’s axis). The distribution of balls within the bearing ensures load-carrying capacity in multiple directions.
- Smooth Rotational Movement:
Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.
- Applications in Machinery:
Ball bearings are used in a wide range of machinery and equipment, including motors, generators, gearboxes, conveyors, and fans. They enable the efficient transfer of motion while reducing wear and energy losses.
- Automotive Industry:
Ball bearings are extensively used in automobiles for various applications, including wheel hubs, transmission systems, steering mechanisms, and engine components. They provide reliability and durability in challenging automotive environments.
- Industrial Machinery:
In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.
- High-Speed Applications:
Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.
- Precision Instruments:
For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.
- Variety of Sizes and Types:
Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.
In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.
editor by CX 2024-05-16
China Custom Brand Rubber Seal 6007 6008 6009 2RS C3 Precision Deep Groove Ball Bearing Japan CZPT CZPT CZPT CZPT with Best Sales
Product Description
Product Description
| Part Number | 6007-2Z |
| System of Measurement | Metric |
| Bearing Type | Ball |
| For Load Direction | Radial |
| Construction | Single Row |
| Seal Type | Shielded |
| Bore Dia | 35 mm |
| Bore Dia Tolerance | -0.01mm to 0 |
| Outer Dia | 62 mm |
| Outer Dia Tolerance | -0.011mm to 0 |
| Width | 14 mm |
| Width Tolerance | -0.12mm to 0 |
| Ring Material | Chrome Steel |
| Ball Material | Chrome Steel |
| Cage Material | 300 Series Stainless Steel |
| Dynamic Radial Load | 3777 lbf |
| Static Radial Load | 2293 lbf |
| Max Speed (X1000 rpm) | 12 |
| Lubrication | Grease |
| Temperature Range | -30° to 120 °C |
| ABEC Rating | P6 |
| Radial Internal Clearance | CN |
| RoHS | Compliant |
| REACH | Compliant |
| Weight | 0.16 kg |
Key Features
2RS bearing and ZZ bearing are Precision Metric Ball Bearing manufactured with both sides rubber sealed and shield and is pre-lubricated with Grease allowing it to be ready for use upon delivery. It is a Chrome Steel Metric Ball Bearing that can withstand both moderate radial and axial loads while providing high performance. Our 6000 Series Extra Light Duty Ball Bearings are available either Open, Metal Shielded, or with Rubber Sealed Closures and are pre-lubricated with grease or light oil.
Applications / Industries
Metric Ball Bearings are used in a range of applications and are ideal for limited space applications including Robotics, Vacuum Cleaners, Small Spindles, Dental Drills, Surgical Saws, Cordless Drills, Band Saws, Impact Wrenches, among others.
REBBER COVER SEAL
It can prevent the intrusion of any foreign matter and has a strong dust-proof effect. It is recommended for use in harsh environments.
IRON COVER SEAL
Compared with rubber seals, the speed is higher and the dust-proof effect is good. It is recommended when there is dust and no liquid impurities.
OPEN WITHOUT SEAL
The rotation speed is higher than the other 2 types, and the rolling resistance is low.
Deep groove ball bearing
Single row deep groove ball bearings are particularly versatile, have low friction and are optimized for low noise and low vibration, which enables high rotational speeds. They accommodate radial and axial loads in both directions, are easy to mount, and require less maintenance than many other bearing types.
- Simple, versatile and robust design
- Low friction
- High-speed capability
- Accommodate radial and axial loads in both directions
- Require little maintenance
More series of deep groove ball bearing
Tip: Here are only part of the model numbers. Please contact us for full catalog.
| Deep Groove Ball Bearing Catalog | ||||||||
| Number | Specification | Rated Load(KN) | Speed(r/min) | Weight | ||||
| D(mm) | D(mm) | W(mm) | Cr(N) | Cor(N) | Grease | Oil | kg | |
| 6000 | 10 | 26 | 8 | 4.55 | 1.96 | 20000 | 28000 | 0.019 |
| 6001 | 12 | 28 | 8 | 5.1 | 2.39 | 19000 | 26000 | 0.571 |
| 6002 | 15 | 32 | 9 | 5.6 | 2.84 | 18000 | 24000 | 0.03 |
| 6003 | 17 | 35 | 10 | 6.8 | 3.35 | 17000 | 22000 | 0.039 |
| 6004 | 20 | 42 | 12 | 9.4 | 5.05 | 15000 | 19000 | 0.069 |
| 6005 | 25 | 47 | 12 | 10.1 | 5.85 | 13000 | 17000 | 0.08 |
| 6006 | 30 | 55 | 13 | 13.2 | 8.3 | 12000 | 15000 | 0.116 |
| 6007 | 35 | 62 | 14 | 16 | 10.3 | 10000 | 13000 | 0.155 |
| 6008 | 40 | 68 | 15 | 16.8 | 11.5 | 8000 | 11000 | 0.185 |
| 6009 | 45 | 75 | 16 | 21 | 15.1 | 7200 | 9000 | 0.231 |
| 6571 | 50 | 80 | 16 | 21.8 | 16.6 | 6400 | 7800 | 0.25 |
| 6011 | 55 | 90 | 18 | 28.3 | 21.2 | 5700 | 7000 | 0.362 |
| 6012 | 60 | 95 | 18 | 29.5 | 23.2 | 5300 | 6300 | 0.385 |
| 6013 | 65 | 100 | 18 | 30.5 | 25.2 | 5040 | 6000 | 0.421 |
| 6014 | 70 | 110 | 20 | 38 | 31 | 4800 | 5600 | 0.604 |
| 6015 | 75 | 115 | 20 | 39.5 | 33.5 | 4480 | 5360 | 0.604 |
| 6016 | 80 | 125 | 22 | 47.5 | 40 | 4240 | 5040 | 0.854 |
| 6017 | 85 | 130 | 22 | 49.5 | 43 | 4000 | 4800 | 0.89 |
| 6018 | 90 | 140 | 24 | 58 | 49.5 | 3840 | 4480 | 1.02 |
| 6019 | 95 | 145 | 24 | 60.5 | 54 | 3600 | 4240 | 1.08 |
| 6571 | 100 | 150 | 24 | 60 | 54 | 3440 | 4000 | 1.15 |
| 6571 | 105 | 160 | 26 | 72.5 | 65.5 | 3200 | 3840 | 1.59 |
| 6571 | 110 | 170 | 28 | 82 | 73 | 3040 | 3600 | 1.96 |
| 6571 | 120 | 180 | 28 | 85 | 79.5 | 2720 | 3200 | 2.07 |
| 6026 | 130 | 200 | 33 | 106 | 101 | 2560 | 3040 | 3.16 |
| 6571 | 140 | 210 | 33 | 110 | 109 | 2400 | 2880 | 3.35 |
| 6030 | 150 | 225 | 35 | 126 | 126 | 2080 | 2560 | 4.08 |
| 6032 | 160 | 240 | 38 | 143 | 144 | 1920 | 2400 | 5.05 |
| 6200 | 10 | 30 | 9 | 4.056 | 1.888 | 19200 | 24000 | 0.032 |
| 6201 | 12 | 32 | 10 | 5.512 | 2.48 | 17600 | 22400 | 0.037 |
| 6202 | 15 | 35 | 11 | 6.24 | 3 | 15200 | 19200 | 0.045 |
| 6203 | 17 | 40 | 12 | 7.648 | 3.8 | 13600 | 16000 | 0.065 |
| 6204 | 20 | 47 | 14 | 10.16 | 5.24 | 12000 | 14400 | 0.11 |
| 6205 | 25 | 52 | 15 | 11.2 | 6.24 | 9600 | 12000 | 0.13 |
| 6206 | 30 | 62 | 16 | 15.6 | 8.96 | 8000 | 10400 | 0.2 |
| 6207 | 35 | 72 | 17 | 20.4 | 12.24 | 7200 | 8800 | 0.29 |
| 6208 | 40 | 8 | 18 | 24.56 | 15.2 | 6800 | 8000 | 0.37 |
| 6209 | 45 | 85 | 19 | 26.56 | 17.28 | 6000 | 7200 | 0.41 |
| 6210 | 50 | 90 | 20 | 28.08 | 18.56 | 5600 | 6800 | 0.46 |
| 6211 | 55 | 100 | 21 | 34.88 | 23.2 | 5040 | 6000 | 0.61 |
| 6212 | 60 | 110 | 22 | 38 | 26 | 4800 | 5600 | 0.78 |
| 6213 | 65 | 120 | 23 | 44.72 | 32.4 | 4240 | 5040 | 0.99 |
| 6214 | 70 | 125 | 24 | 48.4 | 36 | 4000 | 4800 | 1.05 |
| 6215 | 75 | 130 | 25 | 53.04 | 39.2 | 4480 | 5360 | 1.2 |
| 6216 | 80 | 140 | 26 | 56.16 | 44 | 3600 | 4240 | 1.4 |
| 6217 | 85 | 150 | 28 | 66.56 | 51.2 | 3440 | 4000 | 1.8 |
| 6218 | 90 | 160 | 30 | 76.48 | 58.8 | 3040 | 3600 | 2.15 |
| 6219 | 95 | 170 | 32 | 86.4 | 65.2 | 2880 | 3440 | 2.6 |
| 6220 | 100 | 180 | 34 | 99.2 | 74.4 | 2720 | 3200 | 3.15 |
| 6221 | 105 | 190 | 36 | 106.4 | 83.2 | 2560 | 3040 | 3.7 |
| 6222 | 110 | 200 | 38 | 114.4 | 94.4 | 2400 | 2880 | 4.35 |
| 6224 | 120 | 215 | 40 | 116.8 | 94.4 | 2240 | 2720 | 5.15 |
| 6226 | 130 | 230 | 40 | 124.8 | 105.6 | 2080 | 2560 | 5.8 |
| 6228 | 140 | 250 | 42 | 132 | 120 | 1920 | 2400 | 7.45 |
| 6230 | 150 | 270 | 45 | 139.2 | 132.8 | 1600 | 2080 | 9.4 |
| 6232 | 160 | 290 | 48 | 148.8 | 148.8 | 1520 | 1920 | 14.5 |
| 6234 | 170 | 310 | 52 | 169.6 | 179.2 | 1520 | 1920 | 17.5 |
| 6236 | 180 | 320 | 52 | 183.2 | 192 | 1440 | 1760 | 18.5 |
| 6238 | 190 | 340 | 55 | 204 | 224 | 1360 | 1600 | 23 |
| 6240 | 200 | 360 | 58 | 216 | 248 | 1360 | 1600 | 28 |
| 6244 | 220 | 400 | 65 | 236.8 | 292 | 1200 | 1440 | 37 |
| 6248 | 240 | 440 | 72 | 286.4 | 380 | 1040 | 1280 | 51 |
| 6252 | 260 | 480 | 80 | 312 | 424 | 880 | 1120 | 65.5 |
| 6256 | 280 | 500 | 80 | 338.4 | 480 | 880 | 1120 | 71 |
| 6300 | 10 | 35 | 11 | 6.448 | 2.72 | 16000 | 20800 | 0.053 |
| 6301 | 12 | 37 | 12 | 7.8 | 3.32 | 15200 | 19200 | 0.06 |
| 6302 | 15 | 42 | 13 | 9.12 | 4.32 | 13600 | 16000 | 0.082 |
| 6303 | 17 | 47 | 14 | 10.8 | 5.24 | 12800 | 15200 | 0.12 |
| 6304 | 20 | 52 | 15 | 12.72 | 6.24 | 10400 | 12800 | 0.14 |
| 6305 | 25 | 62 | 17 | 18 | 9.28 | 8800 | 11200 | 0.23 |
| 6306 | 30 | 72 | 19 | 22.48 | 12.8 | 7200 | 8800 | 0.35 |
| 6307 | 35 | 80 | 21 | 26.56 | 15.2 | 6800 | 8000 | 0.46 |
| 6308 | 40 | 90 | 23 | 32.8 | 19.2 | 6000 | 7200 | 0.63 |
| 6309 | 45 | 100 | 25 | 42.16 | 25.2 | 53600 | 6400 | 0.83 |
| 6310 | 50 | 110 | 27 | 49.44 | 30.4 | 5040 | 6000 | 1.05 |
| 6311 | 55 | 120 | 29 | 57.2 | 36 | 4480 | 5360 | 1.35 |
| 6312 | 60 | 130 | 31 | 65.52 | 41.6 | 4000 | 4800 | 1.7 |
| 6313 | 65 | 140 | 33 | 73.84 | 48 | 3840 | 4480 | 2.1 |
| 6314 | 70 | 150 | 35 | 83.2 | 54.4 | 3600 | 4240 | 2.5 |
| 6315 | 75 | 160 | 37 | 91.2 | 61.2 | 3440 | 4000 | 3 |
| 6316 | 80 | 170 | 39 | 99.2 | 69.2 | 3040 | 3600 | 3.6 |
| 6317 | 85 | 180 | 41 | 106.4 | 77.2 | 2880 | 3440 | 4.25 |
| 6318 | 90 | 190 | 43 | 114.4 | 86.4 | 2720 | 3200 | 4.9 |
| 6319 | 95 | 200 | 45 | 122.4 | 94.4 | 2560 | 3040 | 5.65 |
| 6320 | 100 | 215 | 47 | 139.2 | 112 | 2400 | 2880 | 7 |
| 6321 | 105 | 225 | 49 | 145.6 | 122.4 | 2240 | 2720 | 8.25 |
| 6322 | 110 | 240 | 50 | 162.4 | 144 | 2080 | 2560 | 9.55 |
| 6324 | 120 | 260 | 55 | 166.4 | 148.8 | 1920 | 2400 | 14.5 |
| 6326 | 130 | 280 | 58 | 183.2 | 172.8 | 1760 | 2240 | 18 |
| 6328 | 140 | 300 | 62 | 200.8 | 196 | 1600 | 2080 | 22 |
| 6330 | 150 | 320 | 65 | 220.8 | 228 | 1520 | 1920 | 26 |
| 6332 | 160 | 340 | 68 | 220.8 | 228 | 1440 | 1760 | 29 |
| 6334 | 170 | 360 | 72 | 249.6 | 272 | 1360 | 1600 | 34.5 |
| 6336 | 180 | 380 | 75 | 280.8 | 324 | 1280 | 1600 | 42.5 |
| 6338 | 190 | 400 | 78 | 296.8 | 344 | 1280 | 1520 | 49 |
| 6340 | 200 | 420 | 80 | 301.6 | 372 | 1200 | 1440 | 55.5 |
| 6344 | 220 | 460 | 88 | 328 | 416 | 1040 | 1280 | 72.5 |
Packaging & Shipping
Please contact us for more pictures of different packing.
|
Universal Packing |
Without any logo on bearings or packing. |
|
JDZ Packing |
With our brand JDZ on bearings and packing. |
|
Customized Packing |
Depends on buyer’s requirements. |
|
Original Brand Packing |
Bearing and packing are both original. Please contact us for pictures. |
QUALITY ASSURANCE
100% Quality inspection to ensure the bearings are with good quality before shipping.
Company Profile
ZheJiang CZPT Precision Bearing Co.,Ltd. was founded by ZheJiang Defa Bearing Co.,Ltd, factory is located in ZheJiang province, China.
We are a bearing manufacturer integrating the research, development and sales of bearings, with a floor area of 18,000 square meters and a plant area of 8,800 square meters. Equipped with modern production equipment and advanced detection instruments.
We can provide all types bearings and OEM service according to customers’ requirements.
Our products are widely used in the automobile, agricultural, textile production, mining, printing and packing industries, in addition to various applications at airports, in air-conditioning systems, conveying devices, ships ad so on. Our products are being exported to more than 50 countries and regions overseas including Singapore, Thailand, Iran, Turkey, Poland, Italy, England, France, Russia, Germany, the United States, Australia, Argentina, Brazil as well as other countries and regions all over the world.
We are a trusted and reliable bearing supplier, choose us to be your good partner!
More choices
FAQ
1. Q: Are you trading company or manufacturer ?
A: We have our own factory , our type is factory + trade.
2. Q: Could you accept OEM and customize?
A: Yes, we can customize products according to your sample or drawing.
3. Q: How long is your delivery time?
A: If stock, within 7 days to ship or based on your order quantity.
4. Q: Could you supply sample for free?
A: Yes, we can offer the sample for free,do you mind to buy a “ticket” for her?
More details, please contact with us. Thanks for your time!
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Bearing Type: | Deep Groove Ball Bearing |
|---|---|
| Precision Rating: | P0 P6 P5 P4 P2 or ABEC1 ABEC3 ABEC5 ABEC7 ABEC9 |
| Bearing Clearance: | C0/C3/C4 |
| Vibration: | Z1V1, Z2V2, Z3V3; Z4V4 |
| Seals Type: | Zz 2RS Open |
| Hardness: | 58-62 HRC |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?
Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:
- Unusual Noise:
If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.
- Vibration:
Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.
- Increased Temperature:
Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.
- Irregular Movement:
If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.
- Reduced Performance:
If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.
- Visible Wear or Damage:
Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.
- Leakage or Contamination:
If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.
- Looseness or Excessive Play:
If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.
- Reduced Lifespan:
If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.
- Frequent Failures:
If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.
It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.
How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?
Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:
- Material Composition:
Ceramic Ball Bearings:
Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.
Traditional Steel Ball Bearings:
Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.
- Friction and Heat:
Ceramic Ball Bearings:
Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.
Traditional Steel Ball Bearings:
Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.
- Weight:
Ceramic Ball Bearings:
Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.
Traditional Steel Ball Bearings:
Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.
- Corrosion Resistance:
Ceramic Ball Bearings:
Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.
Traditional Steel Ball Bearings:
Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.
- Speed and Precision:
Ceramic Ball Bearings:
Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.
Traditional Steel Ball Bearings:
Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.
- Cost:
Ceramic Ball Bearings:
Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.
Traditional Steel Ball Bearings:
Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.
In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.
How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?
Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:
- Design:
Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.
Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.
- Friction and Efficiency:
Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.
Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.
- Load Capacity:
Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.
Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.
- Variability:
Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.
Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.
- Speed Capability:
Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.
Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.
- Applications:
Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.
Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.
In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.
editor by CX 2024-05-15