China best CZPT 6209-Zz/2RS/2r-Koyo Deep Groove Ball Bearing bearing engineering

Product Description

Product Description

Bearing No. 6209-2RS/6209-2RZ-deep groove ball bearing-radial ball bearing

·Dimensions: 45x85x19mm
·Rubber seal on both sides
·100% Chrome Steel for higher resistance and durability
·Supports 7800 rpm with grease, 9200 rpm with oil
·Our high-quality bearing is made to reduce your replacement frequency and maintenance cost

Specifications for this item

Bearing Type: deep groove ball bearing-high speed electric motor bearing,water pump bearing
Brand: HXB or OEM brand
Material: chrome steel GCr15, AISL52100, SUJ2
Part No.: 6209-2RS, 6209-2RZ, 6209-DD,6209-DDU,6209-LLU
Clearance: C2, CM, C0, C3
Vibration: ZV2,ZV3,ZV4
Precision Class: P0, P6, P5, ABEC-1, ABEC-3,ABEC-5
Application: electric motor, motorcycle, household appliance, electric tools, water pump

 

Bearing Number Boundary dimensions(mm) Load Rating(KN) Limiting Speed(rpm) Weight(kg)
d D B rmin Cr Cor Grease Oil
6000 10 26 8 0.3  4.55  1.96  29000 34000 0.019 
6200 30 9 0.6  5.10  2.39  25000 30000 0.032 
6300 35 11 0.6  8.20  3.50  23000 27000 0.052 
6001 12 28 8 0.3  5.10  2.39  26000 30000 0.571 
6201 32 10 0.6  6.10  2.75  22000 26000 0.035 
6301 37 12 1.0  9.70  4.20  20000 24000 0.051 
6002 15 32 9 0.3  5.60  2.84  22000 26000 0.031 
6202 35 11 0.6  7.75  3.60  19000 23000 0.045 
6302 42 13 1.0  11.40  5.45  17000 21000 0.080 
6003 17 35 10 0.3  6.80  3.35  20000 24000 0.040 
6203 40 12 0.6  9.60  4.60  18000 21000 0.064 
6303 47 14 1.0  13.50  6.55  16000 19000 0.109 
6004 20 42 12 0.6  9.40  5.05  18000 21000 0.068 
6204 47 14 1.0  12.80  6.65  16000 18000 0.103 
6304 52 15 1.1  15.90  7.90  14000 17000 0.142 
6005 25 47 12 0.6  10.10  5.85  15000 18000 0.078 
6205 52 15 1.0  14.00  7.85  13000 15000 0.127 
6305 62 17 1.1  21.20  10.90  12000 14000 0.219 
6006 30 55 13 1.0  13.20  8.30  13000 15000 0.110 
6206 62 16 1.0  19.50  11.30  11000 13000 0.200 
6306 72 19 1.1  26.70  15.00  10000 12000 0.349 
6007 35 62 14 1.0  16.00  10.30  12000 14000 0.148 
6207 72 17 1.1  25.70  15.30  9800 11000 0.288 
6307 80 21 1.5  33.50  19.10  8800 10000 0.455 
6008 40 68 15 1.0  16.80  11.50  10000 12000 0.185 
6208 80 18 1.1  29.10  17.80  8700 10000 0.368 
6308 90 23 1.5  40.50  24.00  7800 92000 0.639 
6009 45 75 16 1.0  21.00  15.10  9200 11000 0.230 
6209 85 19 1.1  32.50  20.40  7800 9200 0.414 
6309 100 25 1.5  53.00  32.00  7000 8200 0.837 
6571 50 80 16 1.0  21.80  16.60  8400 9800 0.258 
6210 90 20 1.1  35.00  23.20  7100 8300 0.463 
6310 110 27 2.0  62.00  38.50  6400 7500 1.082 
6011 55 90 18 1.1  28.30  21.20  7700 9000 0.383 
6211 100 21 1.5  43.50  29.20  6400 7600 0.603 
6311 120 29 2.0  71.50  45.00  5800 6800 1.355 
6012 60 95 18 1.1  29.50  23.20  7000 8300 0.391 
6212 110 22 1.5  52.50  36.00  6000 7000 0.780 
6312 130 31 2.1  82.00  52.00  5400 6300 1.710 
6013 65 100 18 1.1 30.5 25.2 6500 7700 0.41
6213 120 23 1.5 57.5 40 5500 6500 0.957
6313 140 33 2.1 92.5 60 4900 5800 2.1
6014 70 110 20 1.1  38.00  31.00  6100 7100 0.575 
6214 125 24 1.5  62.00  44.00  5100 6000 1.100 
6314 150 35 2.1  104.00  68.00  4600 5400 2.550 

Application

 

Company Profile

Established in 1995, as a leading ball bearing manufacturer in China, HXB offers more than 1,000 kinds of ball bearing to fulfill our customers’ needs. With excellent production team and technical team, we can supply high quality products consistently.
After more than 20 years of development, HXB’s main products involves deep groove ball bearings, angular contact ball bearings, high precision spindle bearings, etc. Our bearings are wildly used in electric motors, machinery tool spindle, CNC, NEVs and other fields.
 

Certificates

Package

Exibition

FQA

1. Are you trading company or manufacturer?
    We are factory more than 28 years.
2. What application do your products involved in?
    Our products application fields mainly include motor, water pumps, household appliances, automobiles, motorcycles, power tools, engraving machines,reducers, machine tools, CNC machine centers, textile machinery, woodworking machinery, ets.
3. Can you make OEM products?
  Yes, we can do OEM according to clients needs, develop and produce products according to drawings or sample provided by clients. We also have our brand HXB or YJB.
4. Does your company have quality assurance? 
   Yes, for 1 year.
5. What’s the competitiveness of your company’s products compared to the companies?
   High precision, high speed, low noise.
6. How does the goods ship to customer?
   By sea, by train, by air or express.
7.What is the production capacity of your company?
  We have 48 productions lines. Annual output has reached 33,000,000pcs.

/* 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
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel
Precision Class: P6
Noise&Vibration: Zv3
Samples:
US$ 1/Piece
1 Piece(Min.Order)

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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 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 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 best CZPT 6209-Zz/2RS/2r-Koyo Deep Groove Ball Bearing   bearing engineeringChina best CZPT 6209-Zz/2RS/2r-Koyo Deep Groove Ball Bearing   bearing engineering
editor by CX 2024-04-17

China Good quality Self Aligning/ Thrust/Angular Contact/Ball Bearing/Taper/Cylindrical Roller/ Pillow Block/Self Aligning/Needle/Roller Bearing/Wheel Hub Bearing Rulemanes double row ball bearing

Product Description

 

Product Description

 

Applicable Material Chrome Steel/Gcr-15
Greese SRL ,PS2, Alvania R12 ,etc
Quality control Checking is during production process, after surface and before packing
Lead time 10-15 days for sample,15-25 days for bulk order depends on your design
Package Standard package/ Pallet or container/ as per customized specifications
Shipment Express & air freight is preferred / sea freight/ as per customized specifications

Quality Control

1) Incoming quality control  : Checking the raw material after they reach our factory

2) Checking the details before the production line operated 

3) In-process quality control : Have a full inspection and routing inspection during mass production

4) Final quality control : Checking the goods after they are finished

5) Outgoing quality control : Checking the goods after they are finished
 

 

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Company Profile

Rainbow auto parts focuses on the production and sales of auto parts. Our auto parts have been exported to all over the world and have won praise from customers.

We will strictly check the product production process:

  1. Checking the raw material after they reach our factory
  2. Checking the details before the production line operated                                     
  3. Have a full inspection and routing inspection during mass production
  4. Checking the goods after they are finished

Packaging & Shipping

ORIGINAL PACKING/ NEUTRAL PACKING/ PACKAGING AS CUSTOMER REQUIRE

FAQ

Q: What is the MOQ?
A: It depends on what you are buying. Small MOQ can be acceptable.

Q: Can you customize my products?
A: Yes, we can customize products with your design drawings.

Q: What is your terms of payment?
A: 30% T/T in advance, balance before shipment, or as per discussion.

Q. What is your terms of packing?
A: Generally,we use brown boxes for packing. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

Q. How about your delivery time?
A:  If the product is in stock, the delivery time is 1 week after payment. If there is no stock, the delivery time is 30 days.

Q. Do you test all your goods before delivery?
A:   Yes, we have 100% test before delivery.

Q. What can I do if the item damaged during transportation?
A: Our customer service staffs will help you with any questions or concerns. Under any circumstance, we will pack products well before shipping. So if any damage on products, please take pictures for us. We will figure out a solve way.
 

/* 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

After-sales Service: Full After Sale Service
Warranty: 30000-50000 Km
Type: Wheel Bearing
Samples:
US$ 50/Set
1 Set(Min.Order)

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Order Sample

Customization:
Available

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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

What are the Challenges Associated with Noise Reduction in Ball Bearings?

Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:

  • Vibration:

Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.

  • Bearing Type and Design:

The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.

  • Lubrication:

Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.

  • Bearing Clearance and Preload:

Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.

  • Material and Manufacturing Quality:

The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.

  • Surface Finish:

The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.

  • Sealing and Shielding:

Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.

  • Operating Conditions:

External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.

  • Wear and Deterioration:

As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.

To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.

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 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 Good quality Self Aligning/ Thrust/Angular Contact/Ball Bearing/Taper/Cylindrical Roller/ Pillow Block/Self Aligning/Needle/Roller Bearing/Wheel Hub Bearing Rulemanes   double row ball bearingChina Good quality Self Aligning/ Thrust/Angular Contact/Ball Bearing/Taper/Cylindrical Roller/ Pillow Block/Self Aligning/Needle/Roller Bearing/Wheel Hub Bearing Rulemanes   double row ball bearing
editor by CX 2024-04-17

China Good quality 603 604 605 606 607 608 609 623 High Quality Micro Bearing 698 Rolling Bearing Deep Groove Ball Bearing with Great quality

Product Description


Deep groove ball bearings are the most representative of rolling bearings, with simple structure, They are easy to use and versatile .
Such bearings are non-separabal bearings,the inner and outer rings are rolled into a ditch arc type. They can bear radial load and axial load,with low coefficient of friction,high limiting speed .They are suitable for high-spped,low noise ,low vibration cccasions.
Deep groove balll bearings are widely used in auto-mobiles,machinetools,motors,instrumentation,construction machinery,railway vehicles,agricultural machinery and various equipment in machinery industry.

Product Parameters

 

Eaaring No      Di
  d  
mension
(mm)
   B
Mass(kg) Bearing No DI
  d  
mension 
D
 (mm)
     B
Mass(kg)
  604 4 12   4.0     6212 60 110    22   0.780
  606 6 17   17.0     6213 65 120    23   0.990
  608   22   7.0 0.0080   8214 70 125    24   1.050
  623 3 10   4.0 0.571   6215 75 130    25   1.200
  625 5 16   5.0 0.0050   6216 80 140    26   1.400
  634 4 16   5.0 0.0050   6217 85 150    28   1.800
  635 5 19   6.0 0.0080   6218 90 160    30   2.150
  680 9 22   7.0     6219 95 170    32   2.600
  618/3 3 7   2.0 0.0003   6220 100 100    34   3.150
  618/4 4 9   2.5 0.0006   6221 105 190    36 00
   618/5 5 11   3.0 0.0120   6222 10 200     38   4.350
  6000 10 26   8.0 0.0190   6300 10  35    11   0.053
  6001 12 20   8.0 0.5710   6301 12  37    12   0.060
  6002 15 32   9.0 0.0300   6302 15  42    13   0.082
  6003 17 35   10.0 0.0390   6303 17  47    14   0.120
  6004 20 42   120 0.0690   6304 20  52    15   0.140
  6005 25 47   12.0 0.0800   6205 25  62    17   0.230
  6006 30 55   13.0 0.1200   6306 30  72    19 0.3680
  6007 35 62   14.0 0.1600   6207 35  80    21 0.460
  6008 40 68   15.0 0.1900   6309 40  90    23 0.630
  6009 45 75   16.0 0.2500   6309 45  100    25 0.830
   6571 50 80   16.0 0.2600   6310 50   110     27 1.050
  6011 55 90   18.0 0.3000   6311 55  120    29 1.350
  6012 0 96   18.0 0.4200   6312 60  130    31 1.700
  6013 65 100   18.0 0.4400   6313 65  140    33 2.100
  6014 70 110   20.0 0.6000   6314 70  150    35 2.500
  6015 75 115   20.0 0.6400   6315 75  160    37 3.000
  6016 80 120   22.0 0.8500   6316 80  170    39 3.600
  6017 85 130   22.0 0.8900   6217 85  180    41 4.260
  6018 90 140   24.0 1.1500   6318 90  190    43 4.900
  6019 95 145   24.0 1.2000   6319 95  200    45 5.650
  6571 100 150   24.0 1.2500   6320 100  215    47 7.000
  6571 105 160   26.0 16,000    6401 12  42    13 0.048
   6571 110 170   28.0 1.9500   6402 15   52     15 0.137
  6200 10 30   9.0 0.0320   6403 17  62    17 0.271
  850 12 32   10.0 0.571   6404 20  72    19 0.408
  6202 15 35   11.0 0.0450   6405 25  80    21 0.528
  6203 17 40   12.0 0.0650   6406 30  90    23 0.720
  6204 20 47   14.0 0.1100   6407 35  100    25 0.936
  6205 25 52   15.0 0.1300   6408 40  110    27 1.200
  6206 30 62   16.0 0.2000   6409 45  120    28 1.550
  6207 35 72   17.0 0.2900   6410 50  130    31 1.910
  6208 40 80   18.0 0.3700   6411 55  140    33 2.320
  6209 45 85   19.0 0.4100   6412 60  150    35 2.790
  6210 0 90   20.0 0.4600   6413 65  160    37 3.360
   6211 55 100   21.0 0.6100   6414 70   180     42 5.000
      “Aval  lable  typas:apan,Z.ZZ,RS;2RS,N,ZN

 

Packaging & Shipping

 

FAQ

Q1,What kind of factory are we?

A:We are based in ZheJiang , China, selling to Southeast Asia,North America, Africa, Oceania, South America,
South Asia, and Europe.

Q2,what can you buy from us?

A:Electric Motorcycle, Electric Tricycle, Electric Balance, Electric Scooter, and Their Parts.

Q3,How can we guarantee quality?

A:We always have a pre-production sample before mass production. We always conduct a final inspection before shipment. We have
departments responsible for after-sales service. 

 Q4,What’s our MOQ?

A:We have no minimum order quantity (MOQ) for new customers We accept small orders to support your trial order, new designs, and
marketing development.

Q5,Why did you choose us?

A:We have been engaged early in the development, production, sales, and service of electric vehicles in China. We welcome
customers, business associations, and friends from all over the world to contact us for cooperation and mutual benefit.

 

/* 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

Material Option 2: Stainless Steel
Lubrication: Grease or Oil
Aligning: Non-Aligning Bearing
Separated: Unseparated
Model No.: 608zz 6203 6202 2RS 6207 6005 6201 6206 6309
Load Direction: Radial Bearing

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 are the Different Components that Make up a Typical Ball Bearing?

A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:

  • Outer Ring:

The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.

  • Inner Ring:

The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.

  • Balls:

The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.

  • Cage or Retainer:

The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.

  • Seals and Shields:

Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.

  • Lubricant:

Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.

  • Flanges and Snap Rings:

In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.

  • Raceways:

Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.

  • Anti-Friction Shield:

In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.

These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.

China Good quality 603 604 605 606 607 608 609 623 High Quality Micro Bearing 698 Rolling Bearing Deep Groove Ball Bearing   with Great qualityChina Good quality 603 604 605 606 607 608 609 623 High Quality Micro Bearing 698 Rolling Bearing Deep Groove Ball Bearing   with Great quality
editor by CX 2024-04-17

China best Ball Bearing 1688 6415 6415n 6415-2rz 6415-2RS Low Price with Good quality

Product Description

Deep groove Bearing Introduction:
Deep groove ball bearings mainly take radial load as well as take moderate axial load. With less coefficient of friction, high limiting speed, large size range and colorful combination of structure; they are suitable for tractor, motors, automobiles, motorcycles, and other common machinery, as a widely used type of bearings in machinery industry.

Bearing Detail
Item No. 6415 6415N 6415-Z 6415-2Z 6415-RZ 6415-2RZ 6415-RS 6415-2RS 
Bearing Type Deep groove ball bearing
Seals Type: Open, ZZ, 2RS
Material Chrome steel GCr15
Precision P0,P2,P5,P6,P4
Clearance C0,C2,C3,C4,C5
Cage type Brass, steel, nylon, etc.
Ball Bearings Feature Long-life with high quality
Low-noise with strict controlling the quality of HJR bearing
High-load by the advanced high-technical design
Competitive price, which has the most valuable
OEM service offered, to meet the customers requirements
Application mill rolling mill rolls, crusher, vibrating screen, printing machinery, woodworking machinery, all kinds of industry
Bearing Package Pallet,wooden case,commercial packaging or as customers’ requirement

 

Packaging & Delivery:
Packaging Details Standard exporting packing or according to the customer’s requirements
Package Type: A. Plastic tubes Pack + Carton + Wooden Pallet
  B. Roll Pack + Carton + Wooden Pallet
  C. Individual Box +Plastic bag+ Carton + Wooden Palle

 

Lead Time :
Quantity(Pieces) 1 – 300 >300
Est. Time(days) 2 To be negotiated

 

*Advantage

 

SOLUTION
– At the beginning, we will have a communication with our customers on their demand, then our  engineers will work out an optimum solution based on the customers’ demand and condition.
QUALITY CONTROL (Q/C)
– In accordance with ISO standards, we have professional Q/C staff, precision testing instruments and internal inspection system, the quality control is implemented in every process from material receiving to products packaging to ensure our bearings quality.
PACKAGE
– Standardized export packing and environment-protected packing material are used for our bearings, the custom boxes, labels, barcodes etc. can also be provided according to our customer’s request.
LOGISTIC
– Normally, our bearings will be sent to the customers by CZPT transportation due to its heavy weight, airfreight, express is also available if our customers need.
WARRANTY
– We warrant our bearings to be free from defects in material and workmanship for a 12 months period from the shipping date, this warranty is voided by non-recommended use, improper installation or physical damage.
*FAQ

 

Q: What’s your after-sales service and warranty?
A: We promise to bear the following responsibility when defective product is found:
1.12 months warranty from the first day of receiving goods;
2.Replacements would be sent with goods of your next order;
3.Refund for defective products if customers require.
Q: Do you accept ODM&OEM orders?
A: Yes, we provide ODM&OEM services to worldwide customers, we are CZPT to customize housings in different styles, and sizes in different brands, we also customize circuit board & packaging box as per your requirements.
Q: What’s the MOQ?
A: MOQ is 10pcs for standardized products; for customized products, MOQ should be negotiated in advance. There is no MOQ for sample orders.
Q: How long is the lead time?
A: The lead time for sample orders is 3-5 days, for bulk orders is 5-15 days.
Q: How to place orders?
A: 1. Email us the model, brand and quantity, consignee information, shipping way and payment terms;
2.Proforma Invoice made and sent to you;
3.Complete Payment after confirming the PI;
4.Confirm Payment and arrange production.

  /* 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: Separated
Samples:
US$ 1/Set
1 Set(Min.Order)

|

Order Sample

high quality top quality
Customization:
Available

|

Customized Request

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

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

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 best Ball Bearing 1688 6415 6415n 6415-2rz 6415-2RS Low Price   with Good qualityChina best Ball Bearing 1688 6415 6415n 6415-2rz 6415-2RS Low Price   with Good quality
editor by CX 2024-04-17

China Good quality Low Noise CZPT Self-Aligning Ball Bearing 2205K with Hot selling

Product Description

The self-aligning ball bearing has 2 kinds of structure: cylindrical hole and tapered hole. The retainer is made of steel plate and synthetic resin.Its characteristic is that the outer ring raceway is spherical shape, with automatic centrality, can compensate the error caused by different concentricity and axial deflection, but the relative inclination of the inner and outer rings should not exceed 3 degrees.

Types available
Pressed sheet steel cage, Nylon cage, Brass cage
Nitrile rubber seal – sheet steel backed

Product Name Self-aligning roller bearings 2200
Material Chrome Steel
Inside diameter 10-120mm
Outside Diameter 30-215mm
Packing According to the buyer requests for packaging 

I have all the models you need, these are just some of them, please contact us now
 

Model d mm mm mm W kg
51100 10 24 9 0.019
51101 12 26 9 0.571
51102 15 28 9 0.571
51103 17 30 9 0.571
51104 20 35 10 0.038
51105 25 42 11 0.056
51106 30 47 11 0.06
51107 35 52 12 0.066
51108 40 60 13 0.12
51109 45 65 14 0.15
51110 50 70 14 0.16
51111 55 78 16 0.24
51112 60 85 17 0.29
51113 65 90 17 0.324
51114 70 95 18 0.36
51116 80 105 19 0.404
51117 85 110 19 0.46
51118 90 120 22 0.64
51119 90 120 22 0.8
51120 100 130 25 1
51122 110 145 25 1.08
51124 120 155 25 1.16
51126 130 170 30 1.8
51128 140 180 31 2.1
51130 150 190 31 2.2
51132 160 200 31 2.3
51134 170 215 34 3.3
51136 180 225 34 3.5
51138 190 240 37 4.1
51140 200 250 37 4.2
51144 220 270 37 4.65

 

Spherical Roller Bearing Widely used in various industries, our bearings meet the requirements of your project!

1.FREE SAMPLES:
contact us by email or trade manager, we will send the free sampls according to your request.

2. World Class Bearing:We provide our customers with all type 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
its vast knowledge and links in the industry.

4. Genuine products With Excellent Quality: Company has always proved the
100% quality products it provides with genuine intent.

5.After Sales Service and technical Assistance: Company provides after sales service and technical assistance
as per the customers requirement 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 and high reliability bearings with
excellent quality and better performance. Resulting in increased cost saving.

8.Attending customer queries promptly: We believe that if customer are satisfied then it proves our worth well. 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

OEM: Available
Precision: P0 P6 P5 P4 P2
Advantage: Prompt Delivery
Transportation: by Air/by Sea/by Express
Separated: Separated
Load Direction: Radial Bearing
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

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

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 Good quality Low Noise CZPT Self-Aligning Ball Bearing 2205K   with Hot sellingChina Good quality Low Noise CZPT Self-Aligning Ball Bearing 2205K   with Hot selling
editor by CX 2024-04-17

China Hot selling Self Aligning Ball Bearing 03b130m 03bcp130mm Ex Gr Customized Non-Standard Bearings Split Bearings Cooper Split Bearing bearing and race

Product Description

COMPANY PROFILE

        CZPT 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 ENVIREMENT

PRODUCT LIST

01/01E SERIES 02/02E SERIES
Number Shaft Diameter
(inch)
Number Shaft Diameter
(inch)
Number Shaft Diameter
(inch)
Number Shaft Diameter
(inch)
01B103 EX/GR 1 3-16″ 01B500 EX/GR 5″ 02B115 EX/GR 1 15/16″ 02EB607 EX/GR 6 7/16″
01B104 EX/GR 1 1/4″ 01B503 EX/GR 5 3/16″ 02B200 EX/GR 2″ 02EB608 EX/GR 6 1/2″
01B107EX/GR 1 7/16″ 01B507 EX/GR 5 7/16″ 394 02B203 EX/GR 2 3/16″ 02EB615 EX/GR 6 15/16″
01B108EX/GR 1 1/2″ 01B508 EX/GR 5 1/2″ 02B204 EX/GR 2 1/4″ 02EB700 EX/GR 7″
01EB111EX/GR 1 11/16″ 01B515 EX/GR 5 15/16″  02B207 EX/GR 2 7/16″ 02EB715 EX/GR 7 15/16″
01EB112EX/GR 1 3/4″ 01B600 EX/GR 6″ 02B208 EX/GR 2 1/2″ 02EB800 EX/GR 8″
01EB115EX/GR 1 15/16″ 01EB607 EX/GR 6 7/16″ 02B211 EX/GR 2 11/16″ 02EB900 EX/GR 9″
01EB200EX/GR 2″ 01EB608 EX/GR 6 1/2″ 02B212 EX/GR 2 3/4″ 02EB1000 EX/GR 10″
01EB203EX/GR 2 3/16″ 01B615 EX/GR 6 15/16″ 02B215 EX/GR 2 15/16″ 02EB1100 EX/GR 11″
01EB204EX/GR 2 1/4″ 01B700 EX/GR 7″ 02B300 EX/GR 3″ 02EB1200 EX/GR 12″
01EB207EX/GR 2 7/16″ 01EB715 EX/GR 7 15/16″ 02B303 EX/GR 3 3/16″ 02B1300 EX/GR 13″
01EB208EX/GR 2 1/2″ 01EB800 EX/GR 8″ 02B304 EX/GR 3 1/4″ 02B1400 EX/GR 14″
01EB211EX/GR 2 11/16″ 01EB900 EX/GR 9″ 02B307 EX/GR 3 7/16″ 02B1500 EX/GR 15″
01EB212EX/GR 2 3/4″ 01EB1000 EX/GR 10″ 02B308 EX/GR 3 1/2″ 02B1600 EX/GR 16″
01EB215EX/GR 2 15/16″ 01EB1100 EX/GR 11″ 02B311 EX/GR 3 11/16″ 02B1700 EX/GR 17″
01EB300EX/GR 3″ 01EB1200 EX/GR 12″ 02B312 EX/GR 3 3/4″ 02B1800 EX/GR 18″
01EB303EX/GR 3 3/16″ 01B1300 EX/GR 13″ 02B315 EX/GR 3 15/16″ 02B1900 EX/GR 19″
01EB304EX/GR 3 1/4″ 01B1400 EX/GR 14″ 02B400 EX/GR 4″ 02B2000 EX/GR 20″
01EB307EX/GR 3 7/16″ 01B1500 EX/GR 15″ 02B403 EX/GR 4 3/16″ 02B2100 EX/GR 21″
01EB308EX/GR 3 1/2″ 01B1600 EX/GR 16″ 02B407 EX/GR 4 7/16″ 02B2200 EX/GR 22″
01EB311EX/GR 3 11/16″ 01B1700 EX/GR 17″ 02B408 EX/GR 4 1/2″ 02B2300 EX/GR 23″
01EB312EX/GR 3 3/4″ 01B1800 EX/GR 18″ 02B415 EX/GR 4 15/16″ 02B2400 EX/GR 24″
01EB315EX/GR 3 15/16″ 01B1900 EX/GR 19″ 02B500 EX/GR 5″    
01EB400EX/GR 4″ 01B2000 EX/GR 20″ 02B503 EX/GR 5 3/16″    
01EB403EX/GR 4 3/16″ 01B2100 EX/GR 21″ 02B507 EX/GR 5 7/16″    
01EB407EX/GR 4 7/16″ 01B2200 EX/GR 22″ 02B508 EX/GR 5 1/2″    
01B408 EX/GR 4 1/2″ 01B2300 EX/GR 23″ 02B515 EX/GR 5 15/16″    
01B415 EX/GR 4 15/16″ 01B2400 EX/GR 24″ 02B600 EX/GR 6″    
100 SERIES 03E SERIES Reminder
Number Shaft Diameter
(inch)
Number Shaft Diameter
(inch)
Number Shaft Diameter
(inch)
Add ‘EX’ or ‘GR’ to reference for expansion or fixed type.

respectively,e.g:Bearing:03 B 280M EX or 03 B 1100 EX.

Cartridge:03 C 280M EX or 03 C 83 EX.

100B215EX/GR 2 15/16″ 03B315 EX/GR 3 15/16″ 03B800 EX/GR 8″
100B300EX/GR 3″ 03B400 EX/GR 4″ 03B900 EX/GR 9″
100B307EX/GR 3 7/16″ 03B407 EX/GR 4 7/16″ 03B1000 EX/GR 10″
100B315EX/GR 3 15/16″ 03B408 EX/GR 4 1/2″ 03EB1100 EX/GR 11″
100B400EX/GR 4″ 03B415 EX/GR 4 15/16″ 03B1200 EX/GR 12″
100B407EX/GR 4 7/16″ 03B500 EX/GR 5″ 03B1300 EX/GR 13″
100B408EX/GR 4 1/2″ 03B507 EX/GR 5 7/16″ 03EB1400 EX/GR 14″
100B415EX/GR 4 15/16″ 03B508 EX/GR 5 1/2″ 03B1500 EX/GR 15″
100B500EX/GR 5″ 03B515 EX/GR 5 15/16″ 03EB1700 EX/GR 17″
100B507EX/GR 5 7/16″ 03B600 EX/GR 6″ 03EB1800 EX/GR 18″
100B508EX/GR 5 1/2″ 03B607 EX/GR 6 7/16″ 03B2000 EX/GR 20″
100B515EX/GR 5 15/16″ 03B608 EX/GR 6 1/2″ 03EB2200 EX/GR 22″
100B600EX/GR 6″ 03B615 EX/GR 6 15/16″ 03EB2300 EX/GR 23″
100B715EX/GR 7 15/16″ 03B700 EX/GR 7″    
100B800EX/GR 8″ 03B715 EX/GR 7 15/16″     

PRODUCT OVERVIEW

 

HOUSING TYPES

INTERNAL STRUCTURE

COMPANY ADVANTANGES

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

Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: Small and Medium-Sized (60-115mm)
Material: Bearing Steel
Spherical: Aligning Bearings
Load Direction: Radial Bearing
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

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

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 Hot selling Self Aligning Ball Bearing 03b130m 03bcp130mm Ex Gr Customized Non-Standard Bearings Split Bearings Cooper Split Bearing   bearing and raceChina Hot selling Self Aligning Ball Bearing 03b130m 03bcp130mm Ex Gr Customized Non-Standard Bearings Split Bearings Cooper Split Bearing   bearing and race
editor by CX 2024-04-17

China Good quality UCP Series Pillow Block Resistant Thrust Insert Angular Contact Deep Groove Ball Spherical Bearings manufacturer

Product Description

Cheap Price Pillow Block Bearing UCP Series for Machine

Pillow blocks, the most commonly used type of mounted units, are designed to provide shaft support where the mounting surface is parallel to the shaft axis. The bolt holes are usually slotted for adjustment during mounting. Pillow blocks are supplied in a variety of configurations. Pressed steel pillow block bearings are also available for light-duty applications.
 

Bearing Unit No. Shaft dia.(mm) Dimensions(mm) Bolt used(mm) Bearing No. Housing No. Weight(kg)
h a e b s1 s2 g w Bi n
UCP201 12 30.2 127 95 38 13 19 14 62 31 12.7 M10 UC201 P203 0.69
UCP202 15 30.2 127 95 38 13 19 14 62 31 12.7 M10 UC202 P203 0.69
UCP203 17 30.2 127 95 38 13 19 14 62 31 12.7 M10 UC203 P203 0.68
UCP204 20 33.3 127 95 38 13 9 15 71 34.1 14.3 M10 UC204 P204 0.63
UCP205 25 36.5 140 105 38 13 19 15 71 34.1 14.3 M10 UC205 P205 0.70 
UCP206 30 42.9 165 121 48 17 20 17 84 38.1 15.9 M14 UC206 P206 1.10 
UCP207 35 47.6 167 127 48 17 20 18 93 42.9 17.5 M14 UC207 P207 1.35
UCP208 40 49.2 184 137 54 17 20 18 100 49.2 19 M14 UC208 P208 1.70 
UCP209 45 54 190 146 54 17 20 20 106 49.2 19 M14 UC209 P209 1.95
UCP210 50 57.2 200 159 60 20 23 21 113 51.6 19 M16 UC210 P210 2.40 
UCP211 55 63.5 219 171 60 20 23 23 125 55.6 22.2 M16 UC211 P211 2.90 
UCP212 60 69.8 241 184 70 20 23 25 138 65.1 25.4 M16 UC212 P212 3.70 
UCP213 65 76.2 265 203 70 25 28 27 150 65.1 25.4 M20 UC213 P213 4.70 
UCP214 70 79.4 266 210 72 25 28 27 156 74.6 30.2 M20 UC214 P214 5.25
UCP215 75 82.6 275 217 74 25 28 28 162 77.8 33.3 M20 UC215 P215 6.00 
UCP216 80 88.9 292 232 78 25 28 30 174 82.6 33.3 M20 UC216 P216 7.25
UCP217 85 95.2 310 247 83 25 28 32 185 85.7 34.1 M20 UC217 P217 8.50 
UCP218 90 101.6 327 262 88 27 30 33 198 96 39.7 M22 UC218 P218 10.75

Materials
The performance and reliability of rolling bearings are greatly affected by the materials which the bearing components are made from.BXY bearing rings and balls are made of high quality of GCr15 vacuum-degassed bearing steel.Chemical composition of GCr15 bearing steel is basically equivalent to some representative bearing steel as the chart shown below.

Chemical composition of high-carbon chrome bearing steel

Standard Code Material Analysis(%)
C Si Mn Cr Mo P S
GB/T GCr15 0.95-1.05 0.15-0.35 0.25-0.45 1.40-1.65 <=0.08 <=0.571 <=0.571
DIN 100Cr6 0.95-1.05 0.15-0.35 0.25-0.45 1.40-1.65   <=0.030 <=0.571
ASTM 52100 0.98-1.10 0.15-0.35 0.25-0.45 1.30-1.60 <=0.10 <=0.571 <=0.571
JIS SUJ2 0.98-1.10 0.15-0.35 <=0.50 1.30-1.60   <=0.571 <=0.571

Most of ball bearing cages are made of cold rolled steel sheet.Anf for some bearing types and special applications,cages are made of glass fiber reinforced nylon 66 plastic,phenolic or machined brass.
The material of bearing housings is gray or ductile cas iron, housings can also be made of pressed steel,stainless steel, or engineering plastics for special purposes.

Operating temperature
The bearings usually operate below the temperature of 120ºC(the measuring temperature of the outer ring is 100ºC).Grease life reduction has to be taken into account when the bearings continue to operate at a temperatuer above 70ºC.The lowest operating temperature should not be lower than -10ºC.
For higher or lower temperature application,please consult us for further information.

Mounting method of housings
The desired installation order is :first install the housing,then the shaft and bearing.The bearing units can be easily installed in principle at any place.However, in order to have a long service life, it is desired that the mounting base is flat and rigid.
The pillow block type and flange type housing are desired that the angle between the surface on which the housing is mounted and the shaft be maintained to a tolerance of ±2°.

Products Packing
Our packaging is also very variable, the purpose is to meet the needs of different customers.The commonly used packages are as follows:
1.Industrial package+outer carton+pallets
2.Single box+outer carton+pallets
3.Tube package+middle box+outer carton+pallets
4.According to your requirements

Application
Pillow blcok Bearings are commonly used in agricultural machines such as grinder, drying machine, paper-machine, textile machine, woodworking machine, winch and roller conveyor as well as a large number of non agricultural applications.

Workplace
Guanxian Xinyan Pillow Block Bearing Co., Ltd. is based in ZheJiang (China) since 2011 and is 1 of the biggest authorized manufactures and exporters of bearing. We′ve been dedicated to provide all types of hiigh quality bearings to OEM, Retailers and traders throughout international market since the moment established.

Pillow block bearings, bearings housing, insert bearings and deep groove ball bearings are all we specialized. We are also developing nonstandard bearings as per the drawings from customers. Our dominant product is bearing unit. With the advantages of compact structure, Seld-aligning, well sealed, easy to equip, and reasonable prices. It s widely applied in machinery of agricultrure, chemical engineering, Mine, Metallurgy, Building, Light industry such as refrigeation, plastic, shoe-making, carpentry, Road, Building material, food, packing, textile, transportation, Printing, ceramics and so on.

Up to now, we have exported our goods to Italy, Brazil, Argentina, Poland, India, Pakistan, Bangladesh, Thailand etc.

First class service, efficient delivery methods, the most competitive quality-price ratio, we dedicated to provide you quality brand bearings. Sincerely welcome new and old customers visit and build cooperation. Our goal is to establish first class company, create world famous brand, The policy in quality is that the need of the maket is our direction, pursuing to meet customers satisfaction, Improving constantly, working practically and creatively and serving the society. We form the sprit of connecting together to improve and to help you to success.

BXY is our registered brand. And warmly welcome to CZPT Bearing Co., Ltd and Lets expand BXY market together!

NO.1   
We are factory directly.

NO.2   
We provide our customers the most Comprehensive service and we’ll do our best to deal with problems our customers encountered to ensure our customers SATISFACTION.

NO.3   
The high quality of our products means that it has long life, high speed, low noise, low vibration and low friction.

NO.4
Be honesty, be professional is our faith; good attitude, timely response, quick delivery, consideration of every detail is our working style.

NO.5 
Manufactured by ourselves, enough storage space, enough inventory, high producing efficiency we possess, the most favorable price we offer to our customers makes sure every deal have a happy end.

Customer’s feedback
The company is from the original steel, forging, turning, quenching, fine grinding, installation, one-stop production line, to ensure the quality of steel, bearing size specifications, installation technology, at a low price to ensure the quality of bearing.We will deliver the goods on a fast delivery date.To ensure your use and sale.Omitted the middle link, let you more affordable…
Customer’s evaluation is the standard of product quality inspection, we always adhere to the customer matching the corresponding quality requirements of the product, responsible for the customer.In the premise of quality assurance to customers, we try to achieve a ‘popular’ price.

FAQ
Q1: How many the MOQ of your company?
A: Our company MOQ is 1pcs.

Q2: Could you accept OEM and customize?
A:YES, we can customize for you according to sample or drawing.

Q3: Could you supply sample for free?
A: Yes, we can supply sample for free, but need our customer afford freight.

Q4 : Does your factory have CE?
A: Yes, we have ISO 9001:2008, and SASO. If you want other CE, we can do for you.

Q5: Is it your company is factory or Trade Company?
A: We have our own factory; our type is factory + trade.

Q6:  What time the guarantee of your bearing quality guarantee period?
A: 6 months ,Customer need supply photos and send bearing back.

Q7: Could you tell me the payment term of your company can accept?
A: T/T, Western Union, PayPal, T/T, L/C.

Q8: Could you tell me the delivery time of your goods?
A: 7-15 days , mostly base on your order quantity.

We also produce and supply

WELCOME TO INQUIRY! /* 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

Aligning: Aligning Bearing
Separated: Separated
Feature: Low Temperature, Corrosion Resistant, High Temperature, High Speed
Rows Number: Single
Raceway: Deep Groove Raceway
Material: Bearing Steel
Samples:
US$ 0.85/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 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 Different Components that Make up a Typical Ball Bearing?

A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:

  • Outer Ring:

The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.

  • Inner Ring:

The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.

  • Balls:

The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.

  • Cage or Retainer:

The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.

  • Seals and Shields:

Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.

  • Lubricant:

Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.

  • Flanges and Snap Rings:

In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.

  • Raceways:

Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.

  • Anti-Friction Shield:

In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.

These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.

China Good quality UCP Series Pillow Block Resistant Thrust Insert Angular Contact Deep Groove Ball Spherical Bearings   manufacturerChina Good quality UCP Series Pillow Block Resistant Thrust Insert Angular Contact Deep Groove Ball Spherical Bearings   manufacturer
editor by CX 2024-04-16

China manufacturer 609 2z 2rz Miniature Bearing Stainless Steel High Quality Deep Groove Ball Bearings 609 Mini Bearing 9*24*7mm 608 608z 608zz 608RS 608 2RS Ball Bearing with Good quality

Product Description

Rear Hot Selling Wheel Bearing Hub Bearing Dac34640037 Dac3464G12rscs42 

Wheel hub bearing is the main function of bearing and provide accurate CZPT to the rotation of the wheels, it was under axial load and bear radial load, is a very important component. Traditional car wheel with bearing is combined by 2 sets of tapered roller bearings or ball bearings, and the installation of the bearing, oil seal and clearance adjustment is carried out on the auto production line. This structure makes it in the car factory assembly difficulty, high cost and poor reliability, and when the car in pits maintenance, also need to clean, oil bearing and adjustment. Wheel hub bearing unit is in the standard angular contact ball bearings and tapered roller bearings, on the basis of it will be 2 sets of bearing as a whole, has the assembly clearance adjustment performance is good, can be omitted, light weight, compact structure, large load capacity, for the sealed bearing prior to loading, ellipsis external wheel grease seal and from maintenance etc, and has been widely used in cars, in a truck also has a tendency to gradually expand the application

Double row roller or ball wheel bearings, composed of 2 interior sets housed in 1 outer ring, can withstand large radial and axial loads in both directions.

They allow for rigid bearing arrangements and are suitable for bearing arrangements where rigid axial guidance is required.
The double row roller/ball wheel bearing allow for space saving applications and in many cases the bearing require no maintenance since it’s lubricated for life.

Widely used in Paper machines, conveyor equipment, rotary kilns, drums, tube mills, converters, large electrical machines,
 rail vehicles,the mining, metallurgical, chemical industry, agriculture, transportation and other machinery.
Production process 
1. CZPT machining of steel pipe;
2. The inner & outer ring grinding;
3. The precision work of inner ring & outer ring;
4. Bearing cleaning;
5. The Assembly of inner ring , outer ring , bearing balls & cage, etc;
6. Bearing inspection( precison, noise & vibration levels);
7. Packing: in box , then in carton, or as the customers’ request…

        (mm) ()
d1 D   C
DAC25525716 565592     25 52 20.6 20.6 0.19
DAC25520037 156704     25 52 37 37 0.31
DAC25520042   617546A 25BWD01 25 52 42 42 0.36
DAC25520043 546467/576467 BT2B445539AA   25 52 43 43 0.36
DAC25550043       25 55 43 43 0.44
DAC25560032 445979 BAH5000   25 56 32 32 0.34
DAC29530037 857123AB     29 53 37 37 0.35
DAC30600037       30 60 37 37 0.42
DAC30600337 529891AB BA2B633313CA 30BWD07 30 60.3 37 37 0.42
DAC30600337 545312/581736 434201B/VKBA1307 30BWD07 30 60.3 37 37 0.42
DAC34620037 531910/561447 BAHB311316B/3 0571 4   34 62 37 37 0.41
DAC34640034   VKBA1382 34BWD03/ACA78 34 64 34 34 0.43
DAC34640037 532066DE 605214/VKBA1306 34BWD04/BCA70 34 64 37 37 0.47
DAC34640037 540466B/8571 BA2B3 0571 6 34BWD11 34 64 37 37 0.47
DAC34660037 559529/580400CA 636114A/479399 34BWD10B 34 66 37 37 0.5
DAC35640037   BAH0042   35 64 35 35 0.4
DAC35650035 546238A BA2B443952/445620B   35 65 35 35 0.4
DAC35650037     35BWD19E 35 65 37 37 0.51
DAC35660032   445980A/BAH-5001A   35 66 32 32 0.42
DAC35660033   633676/BAH-0015   35 66 33 33 0.43
DAC35660037 544307C/581571A 311309/BAH-571   35 66 37 37 0.48
DAC35680037 430042C 633528F/633295B 35BWD21(4RS) 35 68 37 37 0.52
DAC35680037 541153A/549676 BAH0031   35 68 37 37 0.52
DAC35720033 548083 BA2B445535AE XGB 4571 35 72 33 33 0.58
DAC35720033 548033 456162/44762B XGB 4571 35 72 33 33 0.58
DAC3572571   BAHB633669/BAH0013   35 72.04 33 33 0.58
DAC35725713/31 562686 VKBA1343 35BWD06ACA111 35 72.02 33 31 0.54
DAC35720034 54 0571 /548376A VKBA857 35BWD01C 35 72 34 34 0.58
DAC35770042   VKBA3763   34.99 77.04 42 42 0.86
DAC37720033   BAH0051B   37 72 33 33 0.51
DAC37720037   BAH0012AM5S   37 72 37 37 0.59
DAC37725717 527631 633571CB   37 72.02 37 37 0.59
DAC37740045 541521C 35715A 37BWD01B 37 74 45 45 0.79
DAC38700037 ZFRTBRGHOO37 BAHB636193C   38 70 37 37 0.56
DAC38700038   686908A 38BWD31CA53 38 70 38 38 0.57
DAC38710033/30   FW135 38BWD09ACA120 37.99 71.02 33 30 0.5
DAC38710039 574795A VKBA3929 30BWD22 37.99 71 39 39 0.62
DAC38720036/33     30BWD12 38 72 36 33  
DAC38720040 575069B VKBA1377   38 72 40 40 0.63
DAC38730040   VKBA3245 38BWD26E 38 73 40 40 0.67
DAC38740036/33 574795A DAD3874368W 38BWD01ACA121 38 74 36 33 0.

Specifications
Wheel hub Bearings
1. High quality and competitive price
2. Excellent in craftsmanship
3. Low noise and long life

Company information:

Guanxian Xinyan Pillow Block Bearing Co.,ltd. is based in ZheJiang (CHINA) since 2011 and is 1 of the biggest authorized manufactures and exporters of bearing. We’ve been dedicated to provide all types of hiigh quality bearings to OEM, Retailers and traders throughout international market since the moment established. Pillow block bearings, bearings housing,insert bearings and deep groove ball bearings are all we specialized. We are also developing nonstandard bearings as per the drawings from customers. 
Up to now, we have exported our goods to Italy, Brazil, Argentina, Poland, India, Pakistan, Bangladesh,Thailand etc. First class service, efficient delivery methods, the most competitive quality-price ratio, we dedicated to provide you quality brand bearings. Sincerely welcome new and old customers visit and build cooperation.


 
Packing :
Single box + cartons + pallets or as your requirements.

Shipping:

By Air  / By Sea /By Express

a. For small weight or Urgent, goods will be delivery   

     by Express DHL/FedEX/UPS/TNT/EMS
 b.For max production,goods will be shipped by sea/by air.
c.According to your requirements

Why choose BXY?
Quality, loyalty and service is our faith!
Deemed continuous improvement as our permanent pursuits.
Q1.: How many the MOQ of your company?
A1.: Our company MOQ is 1pcs.

Q2.: Could you accept OEM and customize?
A2.:YES, we can customize for you according to sample or drawing.

Q3.: Could you supply sample for free?
A3.: Yes, we can supply sample for free, but need our customer afford freight.

Q4. : Does your factory have CE?
A4.: Yes, we have ISO 9001:2008, and SASO. If you want other CE, we can do for you.

Q5.: Is it your company is factory or Trade Company?
 A5.: We have our own factory; our type is factory + trade.

Q6.:  What time the guarantee of your bearing quality guarantee period:?
A6.: 6 months ,Customer need supply photos and send bearing back.

Q7.: Could you tell me the payment term of your company can accept?
A7.: T/T, Western Union, PayPal, T/T, L/C

Q8.: Could you tell me the delivery time of your goods?
A8.: 7-15 days , mostly base on your order quantity  

If  you have any problems pls feel free to contact with me, thank you.
Contact  Tracy
 

 

/* 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

Material: Bearing Steel
Hardness: 60-62
Clearance: C0, C1, C2, C3
Vibration: Z1V1, Z2V2, Z3V3
Certisificate: Is09000-2008
Tolerance: ABEC-3, ABEC-5, ABEC-7
Customization:
Available

|

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

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

What are the Different Components that Make up a Typical Ball Bearing?

A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:

  • Outer Ring:

The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.

  • Inner Ring:

The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.

  • Balls:

The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.

  • Cage or Retainer:

The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.

  • Seals and Shields:

Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.

  • Lubricant:

Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.

  • Flanges and Snap Rings:

In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.

  • Raceways:

Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.

  • Anti-Friction Shield:

In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.

These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.

China manufacturer 609 2z 2rz Miniature Bearing Stainless Steel High Quality Deep Groove Ball Bearings 609 Mini Bearing 9*24*7mm 608 608z 608zz 608RS 608 2RS Ball Bearing   with Good qualityChina manufacturer 609 2z 2rz Miniature Bearing Stainless Steel High Quality Deep Groove Ball Bearings 609 Mini Bearing 9*24*7mm 608 608z 608zz 608RS 608 2RS Ball Bearing   with Good quality
editor by CX 2024-04-16

China supplier Ball Joint Rod End Bearing double row ball bearing

Product Description

Product Description

 

Rod End

Diameters: 5 mm to 80 mm

SI..E(S),SI..ES 2RS SERIES GAR..UK,GAR..UK 2RS SERIES CF..T,CM..T SERIES
SA..E(S),SA..ES 2RS SERIES PHS SERIES KF,KM SERIES
SI..T,K SERIES POS SERIES SCM-T,SCML-T SERIES
SA..T,K SERIES SIZP..S SERIES SCF-T,SCFL-T SERIES
SSI..T,K SERIES SAZP..S SERIES CM-M,CML-M SERIES
SSA..T,K SERIES CF,CF..S SERIES CF-M,CFL-M SERIES
SI..ZK SERIES CM,CM..S SERIES SCM-MT,SCML-MT SERIES
SA..ZK SERIES JF,JF..S SERIES SCF-MT,SCFL-MT SERIES
SI..PK SERIES JM,JM..S SERIES NJM,NJML SERIES
SA..PK SERIES with studs CF..Y,CF..YS SERIES NJF,NJFL SERIES
GIR..UK,GIR..UK 2RS SERIES with studs CM..Y,CM..YS SERIES  

PACKAGING

Step 1: Weighing stainless steel balls. Usually the weight is about 10kg.
Step 2: Sealed plastic bags 
Step 3: Put sealed plastic bags into small boxes.
Step 4: Each box has the label, including material, Lot No. size, quantity, grade, date……
Step 5: Each box directly put into mooden case. 

Service

We would like to offer you services as:
– Instant improvement and design of products
– Quick response to the prices
– Complete inspection report
– Traceable
– Perfect logistic
 

Company Profile

HangZhou CZPT Imp. & Exp. Co., Ltd. is a manufacturing and trade combo company with 20 years of experience in steel balls. Our steel ball plant was founded in 1998 and has already received an ISO9001:2015 certificate. We also can supply carbon steel balls, chrome steel balls, plastic balls, ceramic balls, and rollers according to our customer’s requirements. So far, we have exported to many countries such as the USA, UK, Italy, Germany, Russia, Brazil, France, Peru, South Africa, etc. If you have any needs, please feel free to contact us.

We hope that our products can offer better quality support 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

Rolling Element: Single Row
Structure: Rod End
Material: Bearing Steel
Load Direction: Radial Spherical Plain Bearing
Add Lubricant: Non Self-lubricating
Outer Structure: Whole Outer Ring
Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

ball bearing

What are the Challenges Associated with Noise Reduction in Ball Bearings?

Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:

  • Vibration:

Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.

  • Bearing Type and Design:

The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.

  • Lubrication:

Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.

  • Bearing Clearance and Preload:

Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.

  • Material and Manufacturing Quality:

The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.

  • Surface Finish:

The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.

  • Sealing and Shielding:

Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.

  • Operating Conditions:

External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.

  • Wear and Deterioration:

As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.

To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.

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

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 supplier Ball Joint Rod End Bearing   double row ball bearingChina supplier Ball Joint Rod End Bearing   double row ball bearing
editor by CX 2024-04-16

China Best Sales High Hardness Angular Contact Ball Bearing OEM 3214-2RS with Hot selling

Product Description

OEM

3214-2RS

Material

Chrome Steel

Company Type

Factory

Origin

China

Size

70*126*39.7 mm

Application

Automotive, Machine

 

Advantage

1. Simple structure; 

2. The limit speed is relatively high; 

3. The friction torque is relatively small; 

4. Can withstand both radial and axial loads;

 

Production process:

ANGULAR CONTACT BALL BEARING MODEL TABLE

MODEL

SIZE

 

MODEL

SIZE

7206C/DF

30*62*32mm

 

7240AC/DB

200*360*116mm

7206C/DT

30*62*32mm

 

7240AC/DF

200*360*116mm

7207AC/DB

35*72*34mm

 

7240AC/DT

200*360*116mm

7207AC/DF

35*72*34mm

 

7240B/DB

200*360*116mm

7207AC/DT

35*72*34mm

 

7240B/DF

200*360*116mm

7207B/DB

35*72*34mm

 

7240B/DT

200*360*116mm

7207B/DF

35*72*34mm

 

7240C/DB

200*360*116mm

7207B/DT

35*72*34mm

 

7240C/DF

200*360*116mm

7207C/DB

35*72*34mm

 

7240C/DT

200*360*116mm

7207C/DF

35*72*34mm

 

7244AC/DB

220*400*130mm

7207C/DT

35*72*34mm

 

7244AC/DF

220*400*130mm

7208AC/DB

40*80*36mm

 

7244AC/DT

220*400*130mm

7208AC/DF

40*80*36mm

 

7244B

220*400*65mm

7208AC/DT

40*80*36mm

 

7244B/DB

220*400*130mm

7208B/DB

40*80*36mm

 

7244B/DF

220*400*130mm

7208B/DF

40*80*36mm

 

7244B/DT

220*400*130mm

7208B/DT

40*80*36mm

 

7244C

220*400*65mm

7208C/DB

40*80*36mm

 

7244C/DB

220*400*130mm

7208C/DF

40*80*36mm

 

7244C/DF

220*400*130mm

7208C/DT

40*80*36mm

 

7244C/DT

220*400*130mm

7209AC/DB

45*85*38mm

 

7248C/DT

190*340*110mm

7209AC/DF

45*85*38mm

 

7300AC

10*35*11mm

7209AC/DT

45*85*38mm

 

7300AC/DB

10*35*22mm

7209B/DB

45*85*38mm

 

7300AC/DF

10*35*22mm

7209B/DF

45*85*38mm

 

7300AC/DT

10*35*22mm

7209B/DT

45*85*38mm

 

7300B

10*35*11mm

7209C/DB

45*85*38mm

 

7300B/DB

10*35*22mm

7209C/DF

45*85*38mm

 

7300B/DF

10*35*22mm

7209C/DT

45*85*38mm

 

7300B/DT

10*35*22mm

7210AC/DB

50*90*40mm

 

7300C

10*35*11mm

7210AC/DF

50*90*40mm

 

7300C/DB

10*35*22mm

7210AC/DT

50*90*40mm

 

7300C/DF

10*35*22mm

7210B/DB

50*90*40mm

 

7300C/DT

10*35*22mm

7210B/DF

50*90*40mm

 

7301AC

12*37*12mm

7210B/DT

50*90*40mm

 

7301AC/DB

12*37*24mm

7210C/DB

50*90*40mm

 

7301AC/DF

12*37*24mm

7210C/DF

50*90*40mm

 

7301AC/DT

12*37*24mm

7210C/DT

50*90*40mm

 

7301B

12*37*12mm

7211AC/DB

55*100*42mm

 

7301B/DB

12*37*24mm

7211AC/DF

55*100*42mm

 

7301B/DF

12*37*24mm

7211AC/DT

55*100*42mm

 

7301B/DT

12*37*24mm

7211B/DB

55*100*42mm

 

7301C

12*37*12mm

7211B/DF

55*100*42mm

 

7301C/DB

12*37*24mm

7211B/DT

55*100*42mm

 

7301C/DF

12*37*24mm

7211C/DB

55*100*42mm

 

7301C/DT

12*37*24mm

7211C/DF

55*100*42mm

 

7302AC

15*42*13mm

7211C/DT

55*100*42mm

 

7302AC/DB

15*42*26mm

7212AC/DB

60*110*44mm

 

7302AC/DF

15*42*26mm

7212AC/DF

60*110*44mm

 

7302AC/DT

15*42*26mm

7212AC/DT

60*110*44mm

 

7302B

15*42*13mm

7212B/DB

60*110*44mm

 

7302B/DB

15*42*26mm

7212B/DF

60*110*44mm

 

7302B/DF

15*42*26mm

7212B/DT

60*110*44mm

 

7302B/DT

15*42*26mm

7212C/DB

60*110*44mm

 

7302C

15*42*13mm

7212C/DF

60*110*44mm

 

7302C/DB

15*42*26mm

7212C/DT

60*110*44mm

 

7302C/DF

15*42*26mm

7213AC/DB

65*120*46mm

 

7302C/DT

15*42*26mm

7213AC/DF

65*120*46mm

 

7303AC

17*47*14mm

7213AC/DT

65*120*46mm

 

7303AC/DB

17*47*28mm

7213B/DB

65*120*46mm

 

7303AC/DF

17*47*28mm

7213B/DF

65*120*46mm

 

7303AC/DT

17*47*28mm

7213B/DT

65*120*46mm

 

7303B

17*47*14mm

7213C/DB

65*120*46mm

 

7303B/DB

17*47*28mm

7213C/DF

65*120*46mm

 

7303B/DF

17*47*30mm

7213C/DT

65*120*46mm

 

7303B/DT

17*47*28mm

7214AC/DB

70*125*48mm

 

7303C/DB

17*47*28mm

7214AC/DF

70*125*48mm

 

7303C/DF

17*47*28mm

7214AC/DT

70*125*48mm

 

7303C/DT

17*47*28mm

7214B/DB

70*125*48mm

 

7304AC

20*52*15mm

7214B/DF

70*125*48mm

 

7304AC/DB

20*52*30mm

7214B/DT

70*125*48mm

 

7304AC/DF

20*52*30mm

7214C/DB

70*125*48mm

 

7304AC/DT

20*52*30mm

7214C/DF

70*125*48mm

 

7304B

20*52*15mm

7214C/DT

70*125*48mm

 

7304B/DB

20*52*30mm

7215AC/DB

75*130*50mm

 

7304B/DF

17*47*28mm

7215AC/DF

75*130*50mm

 

7304B/DT

20*52*30mm

7215AC/DT

75*130*50mm

 

7304C/DB

20*52*30mm

7215B/DB

75*130*50mm

 

7304C/DF

20*52*30mm

7215B/DF

75*130*50mm

 

7304C/DT

20*52*30mm

7215B/DT

75*130*50mm

 

7305AC

25*62*17mm

7215C/DB

75*130*50mm

 

7305AC/DB

25*62*34mm

7215C/DF

75*130*50mm

 

7305AC/DF

25*62*34mm

7215C/DT

75*130*50mm

 

7305AC/DT

25*62*34mm

7216AC/DB

80*140*52mm

 

7305B/DB

25*62*34mm

7216AC/DF

80*140*52mm

 

7305B/DF

25*62*34mm

7216AC/DT

80*140*52mm

 

7305B/DT

25*62*34mm

7216B/DB

80*140*52mm

 

7305C/DB

25*62*34mm

7216B/DF

80*140*52mm

 

7305C/DF

25*62*34mm

7216B/DT

80*140*52mm

 

7305C/DT

25*62*34mm

7216C/DB

80*140*52mm

 

7306AC

30*72*19mm

7216C/DF

80*140*52mm

 

7306AC/DB

30*72*38mm

7216C/DT

80*140*52mm

 

7306AC/DF

30*72*38mm

7217AC/DB

85*150*56mm

 

7306AC/DT

30*72*38mm

7217AC/DF

85*150*56mm

 

7306B/DB

30*72*38mm

7217AC/DT

85*150*56mm

 

7306B/DF

30*72*38mm

7217B/DB

85*150*56mm

 

7306B/DT

30*72*38mm

7217B/DF

85*150*56mm

 

7306C/DB

30*72*38mm

7217B/DT

85*150*56mm

 

7306C/DF

30*72*38mm

7217C/DB

85*150*56mm

 

7306C/DT

30*72*38mm

7217C/DF

85*150*56mm

 

7307AC

35*80*21mm

7217C/DT

85*150*56mm

 

7307AC/DB

35*80*42mm

7218AC/DB

90*160*60mm

 

7307AC/DF

35*80*42mm

7218AC/DF

90*160*60mm

 

7307AC/DT

35*80*42mm

7218AC/DT

90*160*60mm

 

7307B/DB

35*80*42mm

7218B/DB

90*160*60mm

 

7307B/DF

35*80*42mm

7218B/DF

90*160*60mm

 

7307B/DT

35*80*42mm

7218B/DT

90*160*60mm

 

7307C/DB

35*80*42mm

7218C/DB

90*160*60mm

 

7307C/DF

35*80*42mm

7218C/DF

90*160*60mm

 

7307C/DT

35*80*42mm

7218C/DT

90*160*60mm

 

7308AC

40*90*23mm

7219AC/DB

95*170*64mm

 

7308AC/DB

40*90*46mm

7219AC/DF

95*170*64mm

 

7308AC/DF

40*90*46mm

7219AC/DT

95*170*64mm

 

7308AC/DT

40*90*46mm

7219B/DB

95*170*64mm

 

7308B/DB

40*90*46mm

7219B/DF

95*170*64mm

 

7308B/DF

40*90*46mm

7219B/DT

95*170*64mm

 

7308B/DT

40*90*46mm

7219C/DB

95*170*64mm

 

7308C/DB

40*90*46mm

7219C/DF

95*170*64mm

 

7308C/DF

40*90*46mm

7219C/DT

95*170*64mm

 

7308C/DT

40*90*46mm

7220AC/DB

100*180*68mm

 

7309AC

45*100*25mm

7220AC/DF

100*180*68mm

 

7309AC/DB

45*100*50mm

7220AC/DT

100*180*68mm

 

7309AC/DF

45*100*50mm

7220B/DB

100*180*68mm

 

7309AC/DT

45*100*50mm

7220B/DF

100*180*68mm

 

7309B/DB

45*100*50mm

7220B/DT

100*180*68mm

 

7309B/DF

45*100*50mm

7220C/DB

100*180*68mm

 

7309B/DT

45*100*50mm

7220C/DF

100*180*68mm

 

7309C/DB

45*100*50mm

7220C/DT

100*180*68mm

 

7309C/DF

45*100*50mm

7221AC/DB

105*190*72mm

 

7309C/DT

45*100*50mm

7221AC/DF

105*190*72mm

 

7310AC

50*110*27mm

7221AC/DT

105*190*72mm

 

7310AC/DB

50*110*54mm

7221B/DB

105*190*72mm

 

7310AC/DF

50*110*54mm

7221B/DF

105*190*72mm

 

7310AC/DT

50*110*54mm

7221B/DT

105*190*72mm

 

7310B/DB

50*110*54mm

7221C/DB

105*190*72mm

 

7310B/DF

50*110*54mm

7221C/DF

105*190*72mm

 

7310B/DT

50*110*54mm

7221C/DT

105*190*72mm

 

7310C/DB

50*110*54mm

7222AC/DB

110*200*76mm

 

7310C/DF

50*110*54mm

7222AC/DF

110*200*76mm

 

7310C/DT

50*110*54mm

7222AC/DT

110*200*76mm

 

7311AC

55*120*29mm

7222B/DB

110*200*76mm

 

7311AC/DB

55*120*58mm

7222B/DF

110*200*76mm

 

7311AC/DF

55*120*58mm

7222B/DT

110*200*76mm

 

7311AC/DT

55*120*58mm

7222C/DB

110*200*76mm

 

7311B/DB

55*120*58mm

7222C/DF

110*200*76mm

 

7311B/DF

55*120*58mm

7222C/DT

110*200*76mm

 

7311B/DT

55*120*58mm

7224AC/DB

120*210*80mm

 

7311C/DB

55*120*58mm

7224AC/DF

120*210*80mm

 

7311C/DF

55*120*58mm

7224AC/DT

120*210*80mm

 

7311C/DT

55*120*58mm

7224B

120*210*80mm

 

7312AC

60*130*31mm

7224B/DB

120*210*80mm

 

7312AC/DB

60*130*62mm

7224B/DF

120*210*80mm

 

7312AC/DF

60*130*62mm

7224B/DT

120*210*80mm

 

7312AC/DT

60*130*62mm

7224C/DB

120*210*80mm

 

7312B/DB

60*130*62mm

7224C/DF

120*210*80mm

 

7312B/DF

60*130*62mm

7224C/DT

120*210*80mm

 

7312B/DT

60*130*62mm

7226AC/DB

130*230*80mm

 

7312C/DB

60*130*62mm

7226AC/DF

130*230*80mm

 

7312C/DF

60*130*62mm

7226AC/DT

130*230*80mm

 

7312C/DT

60*130*62mm

7226B

130*230*80mm

 

7313AC

65*140*33mm

7226B/DB

130*230*80mm

 

7313AC/DB

65*140*66mm

7226B/DF

130*230*80mm

 

7313AC/DF

65*140*66mm

7226B/DT

130*230*80mm

 

7313AC/DT

65*140*66mm

7226C/DB

130*230*80mm

 

7313B/DB

65*140*66mm

7226C/DF

130*230*80mm

 

7313B/DF

65*140*66mm

7226C/DT

130*230*80mm

 

7313B/DT

65*140*66mm

7228AC/DB

140*250*84mm

 

7313C/DB

65*140*66mm

7228AC/DF

140*250*84mm

 

7313C/DF

65*140*66mm

7228AC/DT

140*250*84mm

 

7313C/DT

65*140*66mm

7228B

140*250*84mm

 

7314AC

70*150*35mm

7228B/DB

140*250*84mm

 

7314AC/DB

70*150*70mm

7228B/DF

140*250*84mm

 

7314AC/DF

65*140*66mm

7228B/DT

140*250*84mm

 

7314AC/DT

70*150*70mm

7228C/DB

140*250*84mm

 

7314B/DB

70*150*70mm

7228C/DF

140*250*84mm

 

7314B/DF

70*150*70mm

7228C/DT

140*250*84mm

 

7314B/DT

70*150*70mm

7230AC

150*270*45mm

 

7314C/DB

70*150*70mm

7230AC/DB

150*270*90mm

 

7314C/DF

70*150*70mm

7230AC/DF

150*270*90mm

 

7314C/DT

70*150*70mm

7230AC/DT

150*270*90mm

 

7315AC

75*160*37mm

7230B

150*270*45mm

 

7315AC/DB

75*160*74mm

7230B/DB

150*270*90mm

 

7315AC/DF

75*160*74mm

7230B/DF

150*270*90mm

 

7315AC/DT

75*160*74mm

7230B/DT

150*270*90mm

 

7315B

75*160*37mm

7230C

150*270*45mm

 

7315B/DB

75*160*74mm

7230C/DB

150*270*90mm

 

7315B/DF

75*160*74mm

7230C/DF

150*270*90mm

 

7315B/DT

75*160*74mm

7230C/DT

150*270*90mm

 

7315C/DB

75*160*74mm

7232AC/DB

160*290*96mm

 

7315C/DF

75*160*74mm

7232AC/DF

160*290*96mm

 

7315C/DT

75*160*74mm

7232AC/DT

160*290*96mm

 

7316AC

80*170*39mm

7232B

160*290*48mm

 

7316AC/DB

80*170*78mm

7232B/DB

160*290*96mm

 

7316AC/DF

80*170*78mm

7232B/DF

160*290*96mm

 

7316AC/DT

80*170*78mm

7232B/DT

160*290*96mm

 

7316B/DB

80*170*78mm

7232C/DB

160*290*96mm

 

7316B/DF

80*170*78mm

7232C/DF

160*290*96mm

 

7316B/DT

80*170*78mm

7232C/DT

160*290*96mm

 

7316C/DB

80*170*78mm

7234AC/DB

170*310*104mm

 

7316C/DF

80*170*78mm

7234AC/DF

170*310*104mm

 

7316C/DT

80*170*78mm

7234AC/DT

170*310*104mm

 

7317AC

85*180*41mm

7234B

170*310*52mm

 

7317AC/DB

85*180*82mm

7234B/DB

170*310*104mm

 

7317AC/DF

85*180*82mm

7234B/DF

170*310*104mm

 

7317AC/DT

85*180*82mm

7234B/DT

170*310*104mm

 

7317B/DB

85*180*82mm

7234C/DB

170*310*104mm

 

7317B/DF

85*180*82mm

7234C/DF

170*310*104mm

 

7317B/DT

85*180*82mm

7234C/DT

170*310*104mm

 

7317C/DB

85*180*82mm

7236AC/DB

180*320*110mm

 

7317C/DF

85*180*82mm

7236AC/DF

180*320*110mm

 

7317C/DT

85*180*82mm

7236AC/DT

180*320*110mm

 

7318AC

90*190*43mm

7236B

180*320*52mm

 

7318AC/DB

90*190*86mm

7236B/DB

180*320*110mm

 

7318AC/DF

90*190*86mm

7236B/DF

180*320*110mm

 

7318AC/DT

90*190*86mm

7236B/DT

180*320*110mm

 

7318B/DB

90*190*86mm

7236C/DB

180*320*110mm

 

7318B/DF

90*190*86mm

7236C/DF

180*320*110mm

 

7318B/DT

90*190*86mm

7236C/DT

180*320*110mm

 

7318C

90*190*43mm

7238AC

190*340*55mm

 

7318C/DB

90*190*86mm

7238AC/DB

190*340*110mm

 

7318C/DF

90*190*86mm

7238AC/DF

190*340*110mm

 

7318C/DT

90*190*86mm

7238AC/DT

190*340*110mm

 

7319AC

95*200*45mm

7238B

190*340*55mm

 

7319AC/DB

95*200*90mm

7238B/DB

190*340*110mm

 

7319AC/DF

95*200*90mm

7238B/DF

190*340*110mm

 

7319AC/DT

95*200*90mm

7238B/DT

190*340*110mm

 

7319B/DB

95*200*90mm

7238C

190*340*55mm

 

7319B/DF

95*200*90mm

7238C/DB

190*340*110mm

 

7319B/DT

95*200*90mm

7238C/DF

190*340*110mm

 

7319C/DB

95*200*90mm

EMAIL ME NOW FOR MORE PHOTOS AND INTRODUCTION !

  /* 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

Material: Bearing Steel
Precision Rating: P2, P4, P5, P6
Prive: Competitive
Seal: Rubber Seal
Quality: High Quility
Type: Needle
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

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 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

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.

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editor by CX 2024-04-16