Tag Archives: angular bearing

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

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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.

ball bearing

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.

ball bearing

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.

ball bearing

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.

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 qualityChina 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
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 
7002AC 15 32 
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)

|
Request Sample

ball bearing

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.

ball bearing

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.

ball bearing

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.

China high quality Explosive Angular Contact Ball Bearing 7020AC 7022AC 7024AC 7026AC 7028AC with Huge Discount   bearing driver kitChina high quality Explosive Angular Contact Ball Bearing 7020AC 7022AC 7024AC 7026AC 7028AC with Huge Discount   bearing driver kit
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)

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Order Sample

Customization:
Available

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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.

ball bearing

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.

ball bearing

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.

ball bearing

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.

China Standard China Bearing Factory Supplier Angular Contact Ball Bearing 7018AC 7018acm 71818c   bearing distributorsChina Standard China Bearing Factory Supplier Angular Contact Ball Bearing 7018AC 7018acm 71818c   bearing distributors
editor by CX 2024-05-16

China OEM High Precision Angular Contact Ball Bearing 7218 Acdga/P4a drive shaft bearing

Product Description

High precision angular contact ball bearing 7218 ACDGA/P4A 

NSK angular contact ball bearing 7571, TAC series related products.

 

Model No. Size(d*D*B) mm Weight (KG) Model No. Size(d*D*B) mm Weight (KG)
724C 4*13*5 0.005 7224C 120*215*40 5.6
725C 5*16*5 0.008 7226C 130*230*40 7.3
726C 6*19*6 0.01 7228C 140*250*42 8.6
727C 7*22*7 0.013 7230C 150*270*45 12.1
728C 8*24*8 0.017 7232C 160*290*48 14.5
729C 9*26*8 0.02 7234AC 170*310*52 17.2
7200C 10*30*9 0.031 7236AC 180*320*52 17.9
7201C 12*32*10 0.036 7238AC 190*340*55 20
7202C 15*35*11 0.04 7240AC 200*360*58 25.2
7203C 17*40*12 0.063 7244AC 220*400*65 36.1
7204C 20*47*14 0.102 7248B 240*440*72 50.9
7205C 25*52*15 0.127 7303C 17*47*14 0.12
7206C 30*62*16 0.233 7304C 20*52*15 0.15
7207C 35*72*17 0.3 7305C 25*62*17 0.23
7208C 40*80*18 0.37 7306C 30*72*19 0.35
7209C 45*85*19 0.5 7307C 35*80*21 0.47
7210C 50*90*20 0.46 7308C 40*90*23 0.66
7211C 55*100*21 0.6 7309C 45*100*25 0.888
7212C 60*110*22 0.8 7310C 50*110*27 1.08
7213C 65*120*23 1.02 7311C 55*120*29 1.44
7214C 70*125*24 1.1 7312C 60*130*31 1.71
7215C 75*130*25 1.29 7313C 65*140*33 2.23
7216C 80*140*26 1.48 7314C 70*150*35 2.67
7217C 85*150*28 1.84 7315C 75*160*37 3.1
7218C 90*160*30 2.24 7316C 80*170*39 3.97
7219C 95*170*32 3.2 7317C 85*180*41 4.84
7220C 100*180*34 3.27 7318C 90*190*43 5
7221C 105*190*36 3.95 7319C 95*200*45 5.7
7222C 110*200*38 4.81 7320C 100*215*47 8.5

Quick Details:
Structure:Angular Contact
Type:Ball
Brand Name:NSK
Bore Size:10 – 200 mm
Outside Diameter:22 – 420 mm
Model Number:7901C
Precision Rating:P0, P6, P5, P4
Seals Type:Open and Sealed Type Available
Number of Row:Single Row
Material::GCr15( SAE52100/100CR6)
Clearance::C1, C2, C3, C4
Packing::Brand Box / Export Packing
Sample Orders::Acceptable
Trade Terms::FOB/ CFR/ CIF/ EXW
Payment Terms::T/T or L/C
OEM::Avaiable

Angular contact ball bearing can bear radial load and axial load at the same time. CZPT to work at a higher speed. The greater the contact angle, the higher the axial load bearing capacity. High precision and high speed bearings are usually taken at 15 degree contact angle. Under axial force, the contact angle will increase.
Angular contact ball bearings are: type 7000C (=15 / deg), type 7000AC (=25 / deg) and 7000B (=40 / deg) several types. The lock on the outer ring of the bearing, generally can not be separated from the inner and outer rings, can bear radial and axial joint load and a direction of the axial load. The ability to bear axial load is determined by the contact angle, the greater the contact angle, the ability to bear axial load is high. The bearing can limit the axial displacement of the shaft or the outer shell in 1 direction.
The contact ball bearing can bear radial load and axial load at the same time, but also can bear pure axial load, the axial load capacity is determined by the contact angle, and increases with the increase of the contact angle.
Single row angular contact ball bearing spindle, the high frequency motor, burning steam turbine, centrifugal separator, the small car front differential pinion shaft, booster pump, drilling platform, food machinery, dividing head, welding, low noise type cooling tower, electrical and mechanical equipment, painting equipment, slot machine bed plate, arc welding machine
Double row angular contact ball bearing: pump, roots blower, air compressor, various types of transmission, fuel injection pump, printing machinery, planetary reducer, extraction equipment, cycloid reducer, food packaging machinery, electric welding machine, electric iron, square box, gravity spray gun, wire stripping machine, semi axis, inspection equipment, fine chemical, mechanical analysis

Specifications:
CZPT Angular Contact Ball Bearing
1.High Speed
2.High Precision
3.Long Life
4.Higher Radial and Axial Loads

Packaging & Delivery:
Packaging Detail:Standard packaging carton packaging OEM service
Delivery Detail:5-15days
 

Bearing No. Boundary Dimensions(mm) Basic Load Ratings(N) Limiting Speeds (RPM) Mass(kg)
d D B r min r1 min Cr C0r Grease Oil approx
7901A5 12 24 6 0.3 0.15 3 200  1 770  38 000  53 000  0.011
7901C 24 6 0.3 0.15 3 350  1 860  45 000  63 000  0.011
7001A 28 8 0.3 0.15 5 800  2 980  28 000  38 000  0.571
7001C 28 8 0.3 0.15 5 800  2 900  40 000  56 000  0.571
7201A 32 10 0.6 0.3 8 000  4 050  26 000  34 000  0.037
7201B 32 10 0.6 0.3 7 450  3 750  18 000  26 000  0.038
7201C 32 10 0.6 0.3 7 900  3 850  36 000  50 000  0.041
7301A 37 12 1 0.6 9 450  4 500  18 000  24 000  0.06
7301B 37 12 1 0.6 8 850  4 200  16 000  22 000  0.062

/* 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: 15°
Aligning: Non-Aligning Bearing
Separated: Separated
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel
Samples:
US$ 1/Set
1 Set(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

ball bearing

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.

ball bearing

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.

ball bearing

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.

China OEM High Precision Angular Contact Ball Bearing 7218 Acdga/P4a   drive shaft bearingChina OEM High Precision Angular Contact Ball Bearing 7218 Acdga/P4a   drive shaft bearing
editor by CX 2024-05-15

China OEM All Series Bearings Needle Roller Thrust Cylindrical Pillow Block Ball Deep Groove Ball Auto Angular Contact Tapered Roller Spherical Rolling Bearing with Good quality

Product Description

   

Company Profile

       MKS Hydraulics ZheJiang Co., Ltd.is a scientific and professional bearing producing enterprise, gathering R&D, producing and sales as 1  integration.mainly operating on non-standard, special andgeneral bearings.

       The company is especially focusing on the research and manufacture of general high-tech production with the 20 years R&D experience, professional R&D staff and advanced equipment, of which 8 sets are imported equipment and 40 sets are high-precision processing equipment. it has invested for building a modern workshop, including 1 Bainite heat processing workshop of world advanced level, 1 machine processing workshop, 2 moder thermostatic &no-dust roller grinders, assembly workshop, physical-chemical testing center, heating laboratory and moder-managed warehouse. Depending on the markets in China and abroad, the company puts an active attitude upon products R&D, resulting a healthy circulation of 1 development generation, 1 reserve generation, and 1 producion generation. The enterprise enlarges the R&D investment, creates own brand, and strives to increase the exporting products of high-tech & high value-added, gains the honorable sales result and grows into 1 of the largest R&D enterprise in China of non-standard bearing and special bearing.

       The advanced technology, outstanding quaity and considerable service after sales with enthusiasm make us get the rapid development in quite short time of years, and now it becomes the largest developing and producing enterprise in Asia of concrete carrier truck, speed-reducing machine,mine-digging machine, hydraulic pump spindle bearing and crecent bearing. With the continuing and wholly new developing theory of Technology is the motivation and quality is the life, We are not only pursuing the leading position in China, but also determined to march into the worldwide bearing area during it developing process, The products are mainly applied on the industries of mine, metalurgy, engineering, machineny, machine tool,electronic machine and so on, The products have gained the excllent sales resul in the markets of Europe, Southeast Asia, Middle East and so on in a dozen of countries and areas.

Company Environment

Company Advantages

Packaging & Shipping

FAQ

1. how can we guarantee quality?
Always final Inspection before shipment;

2.what can you buy from us?
Auto Bearing,Bearing Housing,Taper Roller Bearing,Casting,Hydraulic pump,Hydraulic parts,excavator parts and so on.

Ceep groove ball bearing/Self aligning ball bearing/Cylindrical roller bearing/Spherical roller bearing/ Angular contact ball bearing/Tapered roller bearing/ Thrust ball bearing/Thrust cylindrical roller bearing/Needle roller bearing

3. why should you buy from us not from other suppliers?
One stop bearing and mechanical customized parts,
Designed bearing,
Small quantity order available 
Factory price offer
OEM ODM bearing service

4.What is the transportation?
lf small quantity,we suggest to send by express,such as DHL,UPS,TNT FEDEX flarge amount,by air or sea shipping.

5.Can we design packaging?
Except regular packing,and we can make customer’s own packing.

6.What’s your payment method?
We can accept LC, T/T, D/P, PayPal, Western Union, Small-amount payment, MoneyGram etc.

7.Can the company provide free samples?
We can provide samples for free. You only need to provide shipping.

8.Is the company a production factory or a trading company?
MKS company is a manufacturing enterprise focusing on bearings ,hydraulic pumps and hydraulic parts , produce and sales.

If you have any questions,Please contact us,We must be reply quickly.

 

 

 

/* 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

Raceway Super Finishing: Yes
Bearing Grade: P3
Service: OEM / ODM Customized Logo
Shipment: by Sea, by Air, by Express
Quality: Good /High Quality
Features: High Precision, High Speed, Long Life
Samples:
US$ 100/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

ball bearing

How does Preload Affect the Performance and Efficiency of Ball Bearings?

Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:

  • Reduction of Internal Clearance:

Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.

  • Increased Stiffness:

Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.

  • Minimized Axial Play:

Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.

  • Enhanced Rigidity:

The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.

  • Reduction in Ball Slippage:

Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.

  • Improved Running Accuracy:

Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.

  • Optimized Performance at High Speeds:

Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.

  • Impact on Friction and Heat Generation:

While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.

  • Application-Specific Considerations:

The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.

Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.

ball bearing

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.

ball bearing

What Factors should be Considered when Selecting a Ball Bearing for a Particular Application?

Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:

  • Load Type and Magnitude:

Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.

  • Speed and Operating Conditions:

Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.

  • Accuracy and Precision:

For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.

  • Space Limitations:

If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.

  • Thrust and Radial Loads:

Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.

  • Alignment and Misalignment:

If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.

  • Mounting and Installation:

Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.

  • Lubrication and Maintenance:

Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.

  • Environmental Conditions:

Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.

  • Bearing Material:

Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.

  • Bearing Arrangement:

Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.

By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.

China OEM All Series Bearings Needle Roller Thrust Cylindrical Pillow Block Ball Deep Groove Ball Auto Angular Contact Tapered Roller Spherical Rolling Bearing   with Good qualityChina OEM All Series Bearings Needle Roller Thrust Cylindrical Pillow Block Ball Deep Groove Ball Auto Angular Contact Tapered Roller Spherical Rolling Bearing   with Good quality
editor by CX 2024-05-14

China factory Angular Contact Ball Bearing 7002AC 7002c Wholesale Price Auto Parts bearing bronze

Product Description

Product Parameters

 

Bearing NO Dimensions ( mm) Speed rating  (IPM)   Basic load rating (KN) Weight
(kg)
d D B Grease Oil Cr Cor
7000AC 10 26 8 19000 28000 4.75 2.12 0.018
7000C 10 26 8 19000 28000 4.92 2.25 0.018
7001AC 12 28 8 18000 26000 5.2 2.55 0.02
7001C 12 28 8 18000 26000 5.42 2.65 0.02
7002AC 15 32 9 17000 24000 5.95 3.25 0.571
7002C 15 32 9 17000 24000 6.25 3.42 0.571
7003AG 17 35 10 16000 22000 6.3 3.68 0.036
7003C 17 35 10 16000 22000 6.6 3.85 0.036
7004AC 20 42 12 14000 19000 10 5.78 0.064
7004C 20 42 12 14000 19000 10.5 6.08 0.064
7005AC 25 47 12 12000 17000 11.2 7.08 0.074
7005C 25 47 12 12000 17000 11.5 7.45 0.074
7006AC 30 55 13 9500 14000 14.5 9.85 0.11
7006C 30 55 13 9500 14000 15.2 10.2 0.11
7007AC 35 62 14 8500 12000 18.5 13.5 0.15
7008AC 40 68 15 15000 21000 16 12.9 0.21
7009C 45 75 16 14000 19000 19.87 16.36 0.24
7009AC 45 75 16 14000 19000 19.87 16.36 0.24

   

Detailed Photos

Product Details

1.Strong load-bearing capacity: It can bear radial and axial loads at the same time, and has high load-bearing capacity.
2.Wide applicability: widely used in wind turbines, automobile transmission systems, engineering machinery and other fields.
3.High-speed operation: suitable for high-speed rotation environment, with good stability and durability.
4.High precision: Using high-quality materials and precision processing, it has high rotation accuracy and work efficiency.
5.Easy installation: simple structure, convenient installation and maintenance.

 

Product Application

Wind turbines
Automotive transmission system
Construction machinery
Other equipment that needs to withstand high speed and high load

Packaging & Shipping

Universal Packing

Without any logo on bearings or packing.

SDLB Packing

With our brand SDLB 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.


 

Certifications

 

 

 

Other Bearings

We supply different types of ball and roller bearings,tapered roller bearing, deep groove ball bearing, spherical roller bearing, Linear guides. 

FAQ

Q1:  What is our advantages?
A: Manufacturer – Do it only with the Best;Your Choice make different. 
Q2:  Our Products
A:   Equal-section thin-wall bearings,Linear CZPT bearings,Deep groove ball bearing,Cylindrical roller bearing,Spherical roller bearing,Needle roller bearing,Angular contact ball bearing,Tapered roller bearing,Thrust ball bearing,Self-aligning ball bearing.
Q3:  Process of our production
A:  Heat Treatment – Grinding – Parts Inspection – Assembly – Final Inspection – Packing
Q4:  How to customize bearing(non-standard) from your company?
A:  We offer OEM,Customized(Non-standard) service and you need to provide drawing and detailed Technical Data.
Q5:  What should I care before installation?
A:  Normally, the preservative with which new bearings are coated before leaving the factory does not need to be removed; it is only necessary to wipe off the outside cylin­drical surface and bore, if the grease is not compatible with the preservative, it is necessary to wash and carefully dry the bearing.Bearings should be installed in a dry, dust-free room away from metal working or other machines producing swarf and dust.
Q6:  How to stock and maintenance my bearings right? 
A: Do not store bearings directly on concrete floors, where water can condense and collect on the bearing;Store the bearings on a pallet or shelf, in an area where the bearings will not be subjected to high humidity or sudden and severe temperature changes that may result in condensation forming;Always put oiled paper or, if not available, plastic sheets between rollers and cup races of tapered roller bearings.

To get price list of promotion bearings, please contact us.

  /* 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: 15°
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel
Samples:
US$ 2/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

ball bearing

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.

ball bearing

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.

ball bearing

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.

China factory Angular Contact Ball Bearing 7002AC 7002c Wholesale Price Auto Parts   bearing bronzeChina factory Angular Contact Ball Bearing 7002AC 7002c Wholesale Price Auto Parts   bearing bronze
editor by CX 2024-05-14

China Good quality Wholesale Price for Angular Contact Ball Bearing 602 608 bearing and race

Product Description

7018ACETA-2RZ 71919CETA-2RZ 71919ACETA-2RZ 7019CETA-2RZ 7019ACETA-2RZ 71920CETA-2RZ 71920ACETA-2RZ 7571CETA-2RZ 7571ACETA-2RZ 71921CETA-2RZ 71921ACETA-2RZ 7571CETA-2RZ 7571ACETA-2RZ 71922CETA-2RZ 71922ACETA-2RZ 7571CETA-2RZ 7571ACETA-2RZ 71924CETA-2RZ 71924ACETA-2RZ 7571CETA-2RZ 7571ACETA-2RZ 71926CETA-2RZ 71926ACETA-2RZ 7026CETA-2RZ 7026ACETA-2RZ 71928CETA-2RZ 71928ACETA-2RZ 7571CETA-2RZ 7571ACETA-2RZ 71930CETA-2RZ 71930ACETA-2RZ 7030CETA-2RZ 7030ACETA-2RZ 71932CETA-2RZ 71932ACETA-2RZ 7032CETA-2RZ 7032ACETA-2RZ 71934CETA-2RZ 71934ACETA-2RZ 7034CETA-2RZ 7034ACETA-2RZ 71936CETA-2RZ 71936ACETA-2RZ 7036CETA-2RZ 7036ACETA-2RZ 71938CETA-2RZ 71938ACETA-2RZ 7038CETA-2RZ 7038ACETA-2RZ 71940CETA-2RZ 71940ACETA-2RZ 7040CETA-2RZ 7040ACETA-2RZ 71944CETA-2RZ 71944ACETA-2RZ 7044CETA-2RZ 7044ACETA-2RZ
7218AC-2RZ H7219AC-2RZ H7220AC-2RZ

Our service:
Before-sales service of  Bearing :
1.Offer bearing related consultation about technology and application;
2.Help customers about bearing choice, force analysis, clearance configuration, products’ life and reliability analysis;
3.Offer highly cost-effective and complete solution program according to site conditions;
4.Offer localized program on introduced equipment to save running cost
5.Design and develop non-standard bearing to support customers’ technology innovation

OUR PROMISES
   Product quality standards are guaranteed. Our products have got ISO 9001 & CE international quality management system. They all produced with best advanced technology.We are proactive and we offer only products complying with top standards of quality and warranty. /* 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

Cage: With Cage
Rows Number: Double
Load Direction: Thrust Bearing
Style: Without Outer Ring, With Outer Ring, Without Inner Ring
Material: Bearing Steel
Type: Open
Samples:
US$ 1/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

ball bearing

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.

ball bearing

Are there any Industry Standards or Certifications that Ball Bearings should Meet?

Yes, there are several industry standards and certifications that ball bearings should meet to ensure their quality, performance, and reliability. These standards help manufacturers, engineers, and customers assess the suitability of bearings for specific applications. Some of the key standards and certifications for ball bearings include:

  • ISO Standards:

The International Organization for Standardization (ISO) has developed a series of standards related to ball bearings. ISO 15 defines dimensions, boundary dimensions, and tolerances for radial bearings. ISO 281 specifies dynamic load ratings and calculation methods for bearings’ life calculations.

  • ABEC (Annular Bearing Engineering Committee) Ratings:

ABEC ratings are commonly used in North America to indicate the precision and performance of ball bearings. Ratings range from ABEC 1 (lowest precision) to ABEC 9 (highest precision). However, it’s important to note that ABEC ratings focus primarily on dimensional tolerances and do not encompass all aspects of bearing quality.

  • DIN Standards:

The German Institute for Standardization (Deutsches Institut für Normung, DIN) has published various standards related to ball bearings. DIN 625 covers dimensions for deep groove ball bearings, while DIN 616 provides guidelines for precision angular contact ball bearings.

  • JIS (Japanese Industrial Standards):

JIS standards are used in Japan and internationally to define the characteristics and dimensions of various products, including ball bearings. JIS B 1512 outlines the classification and dimensions of rolling bearings.

  • ASTM (American Society for Testing and Materials) Standards:

ASTM has standards that cover various aspects of bearing testing, performance, and materials. ASTM F2215, for instance, specifies the requirements for ball bearings used in surgical implants.

  • CE Marking:

CE marking indicates that a product complies with European Union health, safety, and environmental requirements. It may be required for bearings used in machinery intended to be sold within the EU market.

  • Industry-Specific Standards:

Various industries, such as aerospace, automotive, medical, and nuclear, have specific standards or certifications that bearings must meet to ensure safety, reliability, and compliance with industry-specific requirements.

  • Quality Management Systems:

Manufacturers that adhere to quality management systems, such as ISO 9001, demonstrate their commitment to consistent product quality and customer satisfaction. Certification to these systems indicates that the manufacturing process follows established protocols and best practices.

When selecting ball bearings, it’s important to consider the relevant standards and certifications that align with the application’s requirements. This ensures that the bearings meet recognized quality and performance criteria, ultimately contributing to reliable and efficient operation.

ball bearing

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.

China Good quality Wholesale Price for Angular Contact Ball Bearing 602 608   bearing and raceChina Good quality Wholesale Price for Angular Contact Ball Bearing 602 608   bearing and race
editor by CX 2024-05-10

China Hot selling Open Type Constant Cross Section Angular Contact Ball Bearings Kg040ar0 Kg042ar0 Kg045ar0 bearing engineering

Product Description

Product description

Equal-section Thin-walled bearings
Equal-section Thin-walled bearings are world -renowned for their space saving and weight reduction. It solves the problems of size and weight of traditional bearings, and the size and weight of shafts and housings. High precision, very quiet ad strong load carrying capacity. Even with larger shaft diameters and bearing holes, the cross section remains the same. Therefore this type of thin-walled bearing is called constant section. 

Company

HangZhou Auto Bearing Co., Ltd. is located in the industrial park of HangZhou,which is 1 of the 4 great ancient capitals of China.Our company is the member of China Bearing Industry Association,cooperating with State Quality Supervision and Testing Center for bearing.Our company is a professional bearing manufacturer which integrated with research ,development and marketing services.

Our major products include deep groove ball bearing, spherical roller bearing, slewing ring, crossed roller bearing and other all kinds of high precision bearings.Our products are widely applied to motor industry,mining metallurgy,wind power generation,petroleum drilling,automobile and motorcycle etc..
Our company not only possesses advanced bearing manufacturing equipments and international first-class measuring instruments, but also has strong strength of manufacturing, inspecting and testing the high precision and reliability bearings.Each process is in strict accordance with the ISO9001 quality management system,which effectively guarantees the precise of products and stability of the performance. AUTO bearings are mainly exported to the United states,South Korea,Europe,etc., which have reached the high level of foreign similar products.
The soul of our business culture is [Detail makes competitive, innovation makes first-class”.We believe the production and management philosophy of [quality wins ,casting competitive products”.The company adheres to the zero-defect quality management for meeting customer requirements.


Packing

A. plastic box & outer carton & pallets
B. plastic bag & box & carton & pallet
C. tube package & middle box & carton & pallet
D. Depends on your needs

Delivery

A. Most orders will be shipped within 3-5 days of payment being received.
B. Samples will be shipped by cov2urier as FedEx,UPS,DHL,etc.

Thank you very much for taking time to view our company’s website. If you are interested in this product, please feel free to contact us. We are always here.
/* 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: 0
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel
Samples:
US$ 1/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

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Customized Request

ball bearing

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.

ball bearing

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.

ball bearing

What Factors should be Considered when Selecting a Ball Bearing for a Particular Application?

Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:

  • Load Type and Magnitude:

Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.

  • Speed and Operating Conditions:

Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.

  • Accuracy and Precision:

For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.

  • Space Limitations:

If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.

  • Thrust and Radial Loads:

Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.

  • Alignment and Misalignment:

If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.

  • Mounting and Installation:

Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.

  • Lubrication and Maintenance:

Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.

  • Environmental Conditions:

Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.

  • Bearing Material:

Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.

  • Bearing Arrangement:

Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.

By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.

China Hot selling Open Type Constant Cross Section Angular Contact Ball Bearings Kg040ar0 Kg042ar0 Kg045ar0   bearing engineeringChina Hot selling Open Type Constant Cross Section Angular Contact Ball Bearings Kg040ar0 Kg042ar0 Kg045ar0   bearing engineering
editor by CX 2024-05-09

China Best Sales Ka025ar0 Equal-Section Thin-Wall Bearing Ultra Reali Slim Wall Roller Silverthin Ball Tapered Angular Contact Imperial Sleeve bearing air

Product Description

  

Bearing
Designations
 Inch size(in)  Metric size(mm)                Loading capacity(N) Weight
(kg)
radial loading axial  
d D B d D B Cor Cr Cor Cr
KA571AR0 2 2.5 0.25 50.8 63.5 6.35 3510 1800 10130 4260 0.045
KA571AR0 2.5 3 0.25 63.5 76.2 6.35 4260 2040 12350 4880 0.054
KA030AR0 3 3.5 0.25 76.2 88.9 6.35 5060 2250 14620 5460 0.064
KA035AR0 3.5 4 0.25 88.9 101.6 6.35 5820 2450 16840 6000 0.077
KA040AR0 4 4.5 0.25 101.6 114.3 6.35 6620 2640 19114 6530 0.086
KA042AR0 4.25 4.75 0.25 107.95 120.65 6.35 7571 2730 25710 6800 0.091
KA045AR0 4.5 5 0.25 114.3 127 6.35 7370 2830 21380 7571 0.095
KA047AR0 4.75 5.25 0.25 120.65 133.35 6.35 7770 2920 22490 7290 0.1
KA050AR0 5 5.5 0.25 127 139.7 6.35 8170 3000 23600 7510 0.104
KA055AR0 5.5 6 0.25 139.7 152.4 6.35 8970 3170 25870 8000 0.113
KA060AR0 6 6.5 0.25 152.4 165.1 6.35 9730 3340 28090 8440 0.127
KA065AR0 6.5 7 0.25 165.1 177.8 6.35 1571 3500 30360 8890 0.136
KA070AR0 7 7.5 0.25 177.8 190.5 6.35 11290 3650 32620 9330 0.145
KA075AR0 7.5 8 0.25 190.5 203.2 6.35 12090 3800 34850 9730 0.154
KA080AR0 8 8.5 0.25 203.2 215.9 6.35 12840 3950 37110 10130 0.163
KA090AR0 9 9.5 0.25 228.6 241.3 6.35 14400 4240 41600 1 0571 0.186
KA100AR0 10 10.5 0.25 254 266.7 6.35 15950 4500 46090 11730 0.204
KA110AR0 11 11.5 0.25 279.4 292.1 6.35 17510 4760 5 0571 12490 0.227
KA120AR0 12 12.5 0.25 304.8 317.5 6.35 19060 5571 55070 13200 0.245

Application: 
The thin section bearing are used for mechanical or robot arm. It also be wildly used for rotating platform, such as industrial or medical facilities.

Packing:
 

Universal Packing

Without any logo on bearings or packing.

SDLB Packing

With our brand SDLB 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.

OEM / Customized Service
We can engrave your logo or model number on bearings and packing box by laser.
If you need non-standard bearings. we can also product them for you.

Certificate
Our bearings have a quality management system certification, and our company has passed the verification.

 

Other Bearings:
We supply different types of ball and roller bearings,tapered roller bearing, deep groove ball bearing, spherical roller bearing, Linear guides. 

To get price list of promotion bearings, please contact us.
  /* 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

Precision Rating: P0 P4 P5 P6
Number of Row: Single Row
Bore Size: 63.5 – 63.6 mm
Width: 0.25 Inch/6 mm
Weight: 0.054 Kg
Radial Clearance: C2 Co C3 C4 C5
Samples:
US$ 15/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

ball bearing

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.

ball bearing

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.

ball bearing

What Factors should be Considered when Selecting a Ball Bearing for a Particular Application?

Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:

  • Load Type and Magnitude:

Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.

  • Speed and Operating Conditions:

Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.

  • Accuracy and Precision:

For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.

  • Space Limitations:

If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.

  • Thrust and Radial Loads:

Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.

  • Alignment and Misalignment:

If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.

  • Mounting and Installation:

Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.

  • Lubrication and Maintenance:

Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.

  • Environmental Conditions:

Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.

  • Bearing Material:

Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.

  • Bearing Arrangement:

Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.

By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.

China Best Sales Ka025ar0 Equal-Section Thin-Wall Bearing Ultra Reali Slim Wall Roller Silverthin Ball Tapered Angular Contact Imperial Sleeve   bearing airChina Best Sales Ka025ar0 Equal-Section Thin-Wall Bearing Ultra Reali Slim Wall Roller Silverthin Ball Tapered Angular Contact Imperial Sleeve   bearing air
editor by CX 2024-05-09

China high quality Ceramic Ball Bearing Manufacturers High Speed High Precision Angular Contact Ball Bearing supplier

Product Description

  High Precision Ceramic Ball Bearings

Product Description

Our company’s ultra-precision high-speed ceramic ball bearings use Si3N4 ceramic balls as rolling elements and GCr15, 9Cr18 (Mo), Cr4Mo4V, and other alloy steel materials as ring materials to produce P2 and P4 level bearings. This can solve the problem of bearings being unable to be used normally under certain circumstances.

Advantages: high and low-temperature resistance, ultra-high speed, ultra-long life, acid and alkali corrosion resistance, dry friction without lubrication, impact resistance, insulation, etc.

High-precision silicon nitride (Si3N4) ceramic balls
Rolling element material: silicon nitride
Density:3.21-3.24
Modulus of elasticity: 308
HardnessHRC: 90-93
Anti-paste strength: 800
Compressive strength: 3400
Thermal expansion coefficient: 3.2
Thermal conductivity: 35
Maximum operating temperature: 1000ºC
Self-lubricating: Good
Poisson’s ratio:0.26
Excellent training ability: Good
Dimensional stability: Good

Cage
Cage material: phenolic bakelite
Cage performance: The silent effect is between metal and nylon materials, with a certain elasticity, lightweight, and certain anti-sliding and self-lubricating properties. Suitable for high-speed bearings, high acceleration and subtraction, etc.

 

Our Advantages

1. The density of silicon nitride ceramics is only 42% of bearing steel. It is light in weight and is of great significance in the aerospace field.
2. Silicon nitride ceramic balls have a small density, small centrifugal force, and high-speed rotation.
The bearing life during rotation is greatly improved.
3. Silicon nitride ceramic has high wear resistance and greatly improves bearing life.
4. Silicon nitride ceramic bearings can still work normally for a long time even if lubrication is lost, which greatly improves the safety and reliability of aerospace equipment.

 

Product Parameters

 

Application

1. Papermaking machinery, deceleration device, railway vehicle axle, rolling mill, roller gearbox
2. Crusher, vibrating screen, printing machinery, woodworking machinery
3. Various industrial reducer

 

Company Profile

Our existing products include high-precision silicon nitride (Si3N4) ceramic balls and ultra-precision ceramic bearings, with more than 60 varieties.

The ultra-precision ceramic bearings produced by the company are high-end bearings. They mainly produce angular contact ball bearings and deep groove ball bearings with an inner diameter of φ10-φ60mm. They can also produce bearings with special requirements, sliding bearings, and various customized non-standard bearings.

The accuracy levels of our products are divided into 3 levels: P4, P4A, and P2. The quality, performance, reliability, and service life of the bearings are equivalent to the physical bearings of the world’s top brands. The DmN value of grease-lubricated bearings can reach 2 million. When lubricated with oil, The DmN value can reach 2.6 million, and the limit revolution speed can reach 80,000 revolutions per minute. It is mainly used to replace imports and break the monopoly of imported bearings in the domestic high-end market.

 

Certifications

FAQ

1. Free Samples: contact us by email or trade manager, and we will send the free samples per your request.  
2. World-Class Bearing: We provide our customers with all types of indigenous bearing with world-class quality.
3. OEM or Non-Stand Bearings: Any requirement for Non-standard bearings is Easily Fulfilled by us due to our vast knowledge and links in the industry. 
4. Genuine products With Excellent Quality: The company has always proved the 100% quality products it provides with genuine intent.
5. After-Sales Service and Technical Assistance: The company provides after-sales service and technical assistance per the customer’s requirements and needs.
6. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain.
7. Cost Saving: We provide long-life, shock-resistant, high-reliability bearings with excellent quality and better performance. It is resulting in increased cost savings.
8. Attending customer queries promptly: We believe that if customers are satisfied, it proves our worth. Customers are always given quick support.

/* 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
Rows Number: Single
Load Direction: Radial Bearing
Material: Ceramic
Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

ball bearing

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.

ball bearing

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.

ball bearing

What Factors should be Considered when Selecting a Ball Bearing for a Particular Application?

Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:

  • Load Type and Magnitude:

Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.

  • Speed and Operating Conditions:

Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.

  • Accuracy and Precision:

For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.

  • Space Limitations:

If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.

  • Thrust and Radial Loads:

Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.

  • Alignment and Misalignment:

If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.

  • Mounting and Installation:

Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.

  • Lubrication and Maintenance:

Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.

  • Environmental Conditions:

Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.

  • Bearing Material:

Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.

  • Bearing Arrangement:

Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.

By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.

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editor by CX 2024-05-09