Tag Archives: bearing bearings

China Good quality 5307zz Premium Sealed Double Row Angular Contact Ball Bearing 5307 Zz 2RS Rz C3 35X80X34.9mm for Textile Machinery Bearings with Best Sales

Product Description

5307ZZ Premium Sealed Double Row Angular Contact Ball Bearing 5307 ZZ 2RS RZ C3 35x80x34.9mm For Textile machinery bearings
 

– Single row and double row
– Open and sealed types
– Chrome steel, ceramic or hybrid materials
– Polyamide, steel, and brass cage assemblies
– 6000 series:604.605.606.607.608.609.6000.6001.6002.6003.6004.6005.6006.6007.6008.6009.6571.6011.6012
– 6200 series: 624.625.626.627.628.629.6200.6201.6202.6203.6204.6205.6206.6207.6208.6209.6210.6211.6212
– 6300 series:634.635.636.637.638.639.6300.6301.6302.6303.6304.6305.6306.6307.6308.6309.6310.6311.6312
– 6400 series:6403.6404.6405.6406.6407.6408.6409.6410.6411.6412.6413.6414.6415.6416.6417.6418.6419.6420
– 6700 series:673.674.675.676.677.678.679.6700.6701.6702.6703.6704.6705
– 6800 series:685.686.687.688.689.6800.6801.6802.6803.6804.6805.6806.6807.6808.6809.6810.6811.6812
– 6900 series:695.696.697.698.699.6900.6901.6902.6903.6904.6905.6906.6907.6908.6909.6910.6911.6912
– 16000 series:16001.16002.16003.16004.16005.16006.16007.16008.16009.16571.16011.16012.16013.16014

 

 Cross-reference of Deep Groove Ball Bearings

Description Interchange
NSK Deep Groove Ball Bearings SKFbearing  Deep Groove Ball Bearings NTN Deep Groove Ball Bearings
Part Number Inch R00 R00 R00 R00
Extra small 600 600 600 600
Extra Light 6000 6000 6000 6000
Light 6200 6200 6200 6200
Medium 6300 6300 6300 6300
Extra thin section 6800 61800 61800 6800
Very thin section 6900 61900 61900 6900
Thin section 16000 16000 16000
Maximum capacity, light BL200 200 200 BL200
Maximum capacity, medium BL300 300 300 BL300
Cartridge type 63300 63300
63200 63200
Part Number Suffix Two seals (non contact) VV 2RZ LLB
Two seals (contact) DDU 2RS1 2RSR LLU
One seal (contact) DU RS1 RSR LU
Two shields ZZ 2Z 2ZR ZZ
One shield Z Z ZR Z
Snap ring NR NR NR NR
Steel cage blank J blank blank
Brass cage M M M L1
Heat stabilized 200C 28 S1 S1 PREFIx TS3
Tight clearance C2 C2 C2 C2
Normal clearance blank blank blank blank
Loose clearance C3 C3 C3 C3
Extra loose clearance C4 C4 C4 C4
Electric motor grade E QE6

Products Details

Linear bearings, manufactured at low cost, are used in limitless journeys or used to work in columns. As the loading ball contacts the shaft at a certain point, the bearing application loading capacity is quite small. With balls rotating with quite small friction resistance, high-precise level movement can be obtained. Linear bearings are widely used in precise equipment such as electronic equipment, pull measuring machines, materialization 3-D measuring equipment, etc; and slip parts of industrial machines such as multi-shaft machines, punching machines, tool grinders, auto steam cutting machines, printers, card selection machine, food packing machine and so on.

Bearing Number Bearing Number Mass (g)
604 604 ZZ 2.1
605 605 ZZ 3.5
606 606 ZZ 5.8
607 607 ZZ 7.6
608 608 ZZ 12
609 609 ZZ 15
623 623 ZZ 1.6
624 624 ZZ 2.9
625 625 ZZ 5
626 626 ZZ 8.1
627 627 ZZ 13
628 628 ZZ 18
629 629 ZZ 20
633 633 ZZ 3
634 634ZZ 5.3
635 635 ZZ 8.5
636 636 ZZ 13
637 637 ZZ 24
638 638 ZZ 29
639 639 ZZ 35

6000 DDU 6200 DDU 6300 DDU 6400 DDU
6001 DDU 6201 DDU 6301 DDU 6401 DDU
6002 DDU 6202 DDU 6302 DDU 6402 DDU
6003 DDU 6203 DDU 6303 DDU 6403 DDU
6004 DDU 6204 DDU 6304 DDU 6404 DDU
6005 DDU 6205 DDU 6305 DDU 6405 DDU
6006 DDU 6206 DDU 6306 DDU 6406 DDU
6007 DDU 6207 DDU 6307 DDU 6407 DDU
6008 DDU 6208 DDU 6308 DDU 6408 DDU
6009 DDU 6209 DDU 6309 DDU 6409 DDU
6571 DDU 6210 DDU 6310 DDU 6410 DDU
6011 DDU 6211 DDU 6311 DDU 6411 DDU
6012 DDU 6212 DDU 6312 DDU 6412 DDU
6013 DDU 6213 DDU 6313 DDU 6413 DDU
6014 DDU 6214 DDU 6314 DDU 6414 DDU
6015 DDU 6215 DDU 6315 DDU 6415 DDU
6016 DDU 6216 DDU 6316 DDU 6416 DDU
6017 DDU 6217 DDU 6317 DDU 6417 DDU
6018 DDU 6218 DDU 6318 DDU 6418 DDU
6019 DDU 6219 DDU 6319 DDU 6419 DDU
6571 DDU 6220 DDU 6320 DDU 6420 DDU

 

6000 ZZ 6200 ZZ 6300 ZZ 6400 ZZ
6001 ZZ 6201 ZZ 6301 ZZ 6401 ZZ
6002 ZZ 6202 ZZ 6302 ZZ 6402 ZZ
6003 ZZ 6203 ZZ 6303 ZZ 6403 ZZ
6004 ZZ 6204 ZZ 6304 ZZ 6404 ZZ
6005 ZZ 6205 ZZ 6305 ZZ 6405 ZZ
6006 ZZ 6206 ZZ 6306 ZZ 6406 ZZ
6007 ZZ 6207 ZZ 6307 ZZ 6407 ZZ
6008 ZZ 6208 ZZ 6308 ZZ 6408 ZZ
6009 ZZ 6209 ZZ 6309 ZZ 6409 ZZ
6571 ZZ 6210 ZZ 6310 ZZ 6410 ZZ
6011 ZZ 6211 ZZ 6311 ZZ 6411 ZZ
6012 ZZ 6212 ZZ 6312 ZZ 6412 ZZ
6013 ZZ 6213 ZZ 6313 ZZ 6413 ZZ
6014 ZZ 6214 ZZ 6314 ZZ 6414 ZZ
6015 ZZ 6215 ZZ 6315 ZZ 6415 ZZ
6016 ZZ 6216 ZZ 6316 ZZ 6416 ZZ
6017 ZZ 6217 ZZ 6317 ZZ 6417 ZZ
6018 ZZ 6218 ZZ 6318 ZZ 6418 ZZ
6019 ZZ 6219 ZZ 6319 ZZ 6419 ZZ
6571 ZZ 6220 ZZ 6320 ZZ 6420 ZZ

 

Detailed Photos

 

Our Advantages

Company Advantages

1. FREE SAMPLES: contact us by email or trade manager, and we will send the free samples according to your request.
2. World-Class Bearing: We provide our customers with all types of bearing with world-class quality.
3. OEM or Non-Stand Bearings: Any requirement for Non-standard bearings is Easily Fulfilled by us due to our vast knowledge and links in the industry.
4. Genuine products With Excellent Quality: 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 customer’s requirements and needs.
6. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain.
7. Cost Saving: We provide long-life, shock-resistant, and high-reliability bearings with excellent quality and better performance. Resulting in increased cost savings.
8. Attending customer queries promptly: We believe that if customers is satisfied then it proves our worth well. Customers are always given quick support.

Packaging & Shipping

 

Packaging
 1)Commercial Bearings packaging: 1pc/plastic bag + color box + carton + pallet
 2)Industrial Bearings packaging 
 3)According to the requirement of customers’
 Payment
 1) T/T:30% deposit, 70% should be paid before shipment.
 2) L/C at sight. (high bank charge, not suggest, but acceptable )
 3) 100% Western Union in advance. (especially for air shipment or small amount)
 Delivery
 1) Less than 45 KGS, we will send by express. ( Door to Door, Convenient )
 2) Between 45 – 200 KGS, we will send by air transport. ( Fastest and safest, but expensive )
 3) More than 200 KGS, we will send by sea. ( Cheapest, but long time )

 

 

 

 

More Products

We can provide more versions of Ball Bearings

Company Profile

HangZhou HOJE Bearing Co.,LTD Specializing in the manufacture and sales of bearings and bearing accessories, we mainly produce deep groove ball bearings, spherical bearings with seats, tapered roller bearings, and related components. Our factory has the most advanced equipment, first-class mechanical professional and technical personnel, and one-stop automatic production from bearing raw materials to finished products. We are willing to provide excellent services for factories that produce industrial equipment, vehicles, electromechanical tools, home appliances, instrumentation, fitness equipment, leisure sports equipment, users of various types of mechanical equipment and civil machinery, and domestic and foreign traders and distributors.

 

 

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Contact Angle: 15°
Aligning: Non-Aligning Bearing
Separated: Separated
Rows Number: Double
Load Direction: Radial Bearing
Material: Bearing Steel
Samples:
US$ 0/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

ball bearing

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

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

  • Reduction of Internal Clearance:

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

  • Increased Stiffness:

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

  • Minimized Axial Play:

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

  • Enhanced Rigidity:

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

  • Reduction in Ball Slippage:

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

  • Improved Running Accuracy:

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

  • Optimized Performance at High Speeds:

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

  • Impact on Friction and Heat Generation:

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

  • Application-Specific Considerations:

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

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

ball bearing

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 Good quality 5307zz Premium Sealed Double Row Angular Contact Ball Bearing 5307 Zz 2RS Rz C3 35X80X34.9mm for Textile Machinery Bearings   with Best SalesChina Good quality 5307zz Premium Sealed Double Row Angular Contact Ball Bearing 5307 Zz 2RS Rz C3 35X80X34.9mm for Textile Machinery Bearings   with Best Sales
editor by CX 2023-12-21

China Good quality Bearing Ball Roller Bearings Real MB China High Quality Spherical Roller Bearing 23034MB bearing assembly

Product Description

Bearing Ball roller bearings China high quality spherical roller bearing 23034MB

Spherical roller bearing parameters:
 

Model NO. 23034MB
Inside Ø (mm): 50
Outside Ø (mm): 90
Width (mm): 23
Tolerance for inside-Ø (mm): 0/-0,012
Tolerance for outside-Ø (mm): 0/-0,015
Tolerance for width (mm): 0/-0,12
Ring Material: Chrome Steel
Rolling Element Material: Chrome Steel
Cage Material: Sheet Steel
Magnetic: yes

Specification:
 

Bearing No. Dimensions(mm) Weight
  d D T kg
22208CA/C3W33 40 80 23 0.54
22209CA/C3W33 45 85 23 0.58
22210CA/C3W33 50 90 23 0.62
22211CA/C3W33 55 100 25 0.84
22212CA/C3W33 60 110 28 1.2
22213CA/C3W33 65 120 31 1.6
22214CA/C3W33 70 125 31 1.7
22215CA/C3W33 75 130 31 1.8
22216CA/C3W33 80 140 33 2.2
22217CA/C3W33 85 150 36 2.7
22218CA/C3W33 90 160 40 3.28
22219CA/C3W33 95 170 43 4.1
22220CA/C3W33 100 180 46 5
22222CA/C3W33 110 200 53 7.2
22224CA/C3W33 120 215 58 8.9
22226CA/C3W33 130 230 64 11.2
22228CA/C3W33 140 250 68 14.5
22230CA/C3W33 150 270 73 18.6
22308CA/C3W33 40 90 33 1
22309CA/C3W33 45 100 36 1.38
22310CA/C3W33 50 110 40 1.85
22311CA/C3W33 55 120 43 2.35
22312CA/C3W33 60 130 46 2.95
22313CA/C3W33 65 140 48 3.55
22314CA/C3W33 70 150 51 4.4
22315CA/C3W33 75 160 55 5.25
22316CA/C3W33 80 170 58 6.39
22317CA/C3W33 85 180 60 7.25
22318CA/C3W33 90 190 64 8.6
22319CA/C3W33 95 200 67 10.1
22320CA/C3W33 100 215 73 13.4
22322CA/C3W33 110 240 80 18
22324CA/C3W33 120 260 86 22
22326CA/C3W33 130 280 93 28.5

 

Bearing No. Dimensions(mm) Weight
  d D T KG
21306CA/C3W33 30 72 19 0.412
21307CA/C3W33 35 80 21 0.542
21308CA/C3W33 40 90 23 0.743
21309CA/C3W33 45 100 25 1
21310CA/C3W33 50 110 27 1.3
21311CA/C3W33 55 120 29 1.65
21312CA/C3W33 60 130 31 2.08
21313CA/C3W33 65 140 33 2.57
21314CA/C3W33 70 150 35 3.11
21315CA/C3W33 75 160 37 3.76
21316CA/C3W33 80 170 39 4.47
21322CA/C3W33 110 240 50 11.8
23571CA/C3W33 120 180 46 3.98
23026CA/C3W33 130 200 52 5.85
23571CA/C3W33 140 210 53 6.31
23030CA/C3W33 150 225 56 7.74
23032CA/C3W33 160 240 60 9.43
23034CA/C3W33 170 260 67 12.8
23036CA/C3W33 180 280 74 16.9
23038CA/C3W33 190 290 75 17.7
23040CA/C3W33 200 310 82 22.7
23044CA/C3W33 220 340 90 29.7
23048CA/C3W33 240 360 92 32.4
24571CA/C3W33 120 180 60 5.05
24026CA/C3W33 130 200 69 7.55
24571CA/C3W33 140 210 69 8.01
24030CA/C3W33 150 225 75 10.1
24032CA/C3W33 160 240 80 12.2
24034CA/C3W33 170 260 90 16.7
24036CA/C3W33 180 280 100 22.1
24038CA/C3W33 190 290 100 23
24040CA/C3W33 200 310 109 29.3
24044CA/C3W33 220 340 118 38.1
24048CA/C3W33 240 360 118 40.8

Roller bearing testing

Spherical roller bearings have 2 rows of symmetrical rollers, a common sphered outer ring raceway and 2 inner ring raceways inclined at an angle to the bearing axis. The centre point of the sphere in the outer ring raceway is at the bearing axis.

1. Accommodate misalignment
Spherical roller bearings are self-aligning like self-aligning ball bearings or CARB bearings.
2. High load carrying capacity
Spherical roller bearings are designed to accommodate both heavy radial loads and axial loads in both directions.
3. Long service life
4. Low friction
Self-guiding rollers keep friction and frictional heat at low levels. A floating CZPT ring guides unloaded rollers so that they enter the load zone in the optimal position.
Robust.

Application fields: The main application fields are CZPT machinery, textile machinery, washing machinery, construction machinery, industrial deceleration machinery, woodworking machinery, paper making machinery, mining machinery, coal mining machinery, lifting machinery, engineering machinery, large transport equipment, chemical machinery, petroleum machinery, metallurgy industry, large steel mills, cement plants, energy industry, etc

Our packing:
* Industrial pakage+outer carton+pallets
* sigle box+outer carton+pallets
* Tube package+middle box+outer carton+pallets
* According to your requirments

More information, PLS contact us directly~

 

Rolling Element Material: Chrome Steel
Sample: Available
Stock: Rich
Lubrication: Greasable
Precision: P0, P5, P6, P4
Load Port: Qingdao China
Samples:
US$ 5/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

ball bearing

Can you Provide Examples of Industries where Ball Bearings are Crucial Components?

Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:

  • Automotive Industry:

Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.

  • Aerospace Industry:

In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.

  • Industrial Machinery:

Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.

  • Medical Equipment:

In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.

  • Robotics and Automation:

Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.

  • Renewable Energy:

Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.

  • Marine and Shipbuilding:

Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.

  • Heavy Equipment and Construction:

In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.

  • Electronics and Consumer Appliances:

Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.

  • Oil and Gas Industry:

In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.

These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.

ball bearing

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 Good quality Bearing Ball Roller Bearings Real MB China High Quality Spherical Roller Bearing 23034MB   bearing assemblyChina Good quality Bearing Ball Roller Bearings Real MB China High Quality Spherical Roller Bearing 23034MB   bearing assembly
editor by CX 2023-11-18

China Best Sales High Precision Ball Bearings Deep Groove Ball Bearing 15X40X14 15bc04s18su ball bearing

Product Description

High Precision Ball Bearings  Deep groove ball bearing 15X40X14 15BC04S18SU
Features:
1.Suitable for high speed or even very high speed operation, and very durable, without frequent maintenance.
2.This kind of bearing has small friction coefficient, high limit speed, simple structure
3.Deep groove ball bearing size range and form of variation, used in precision instruments and general machinery and other industries
4.Deep groove ball bearings are mainly used to bear radial load, but when increasing the bearing radial clearance, has a certain angular contact ball bearing performance, can withstand the combined diameter, axial load.
5.Deep groove ball bearing installed in the shaft, in the bearing axial clearance range, can limit the shaft or shell 2 directions of axial displacement, so can be in both directions for axial positioning. In addition, this type of bearing also has a certain ability to adjust the heart. When tilted 2 degrees to 4 degrees relative to the shell hole, still can work normally.

Product list
Services

Q&A

1.Who are we?
We are based in ZheJiang , China, start from 2018,sell to Mid East(40.00%),South America(15.00%),Southeast Asia(10.00%),Africa(10.00%),Domestic Market(6.00%),North America(5.00%),South Asia(5.00%),Eastern Europe(3.00%),Western Europe(2.00%),Central America(2.00%),Northern Europe(2.00%). There are total about 101-200 people in our office.

2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.What can you buy from us?
clutch release bearing,cylindrical bearing,tapered roller bearing,needle roller bearing,deep groove ball bearing

4. Why should you buy from us not from other suppliers?
The factory loctaed in Bearing town LinQing.We have over 20 years OEM experience and our own Brand. Our products are virous, and quality can fit to China fomous truck like Xihu (West Lake) Dis.feng, CZPT .

5. What services can we provide?
Accepted Delivery Terms: FOB,Express Delivery;
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese.
 

   If you want to know more details, please contact us.
 

 

Transport Packaging: Industry Standard Packaging
Weight: 0.086kg
Aligning: Non-Aligning Bearing
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|

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 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

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?

Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:

  • Deep Groove Ball Bearings:

Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.

  • Angular Contact Ball Bearings:

Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.

  • Self-Aligning Ball Bearings:

Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.

  • Thrust Ball Bearings:

Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.

  • Single-Row vs. Double-Row Bearings:

Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.

  • Miniature and Instrument Ball Bearings:

Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.

  • Max-Type and Conrad Bearings:

Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.

  • High-Precision Ball Bearings:

High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.

  • High-Speed Ball Bearings:

High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.

In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.

China Best Sales High Precision Ball Bearings Deep Groove Ball Bearing 15X40X14 15bc04s18su   ball bearingChina Best Sales High Precision Ball Bearings Deep Groove Ball Bearing 15X40X14 15bc04s18su   ball bearing
editor by CX 2023-11-17

China Good quality High Quality Cylindrical Roller Bearings Hot Sale Size double row ball bearing

Product Description

 

Product Description

 

 

 

Product application

 

Certifications

 

Packaging & Shipping

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:Do you offer free samples?
A: Yes we offer free samples to distributors and wholesalers

 

 

 

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

|
Request Sample

Customization:
Available

|

Customized Request

bearing

Choosing the Right Ball Bearing for Your Application

When choosing a Ball Bearing, there are several things to consider. These factors include: the size, lubricant type, presence of corrosive agents, stray electrical currents, and more. It can be challenging to choose the right type, size, and type of ball bearing for your application. You should also carefully calculate the loads to determine the right size. Here are some tips for choosing the right Ball Bearing for your application.

Single-row

The single-row ball bearing is one of the most popular types of bearings. The inner and outer ring are designed with raceway grooves that are shaped slightly larger than the balls. This type of bearing has a low torque and can handle high-speed applications with minimal power loss. The radial dimensions of single-row ball bearings also vary, so it is possible to find one that fits your specific application. Besides the above-mentioned advantages, single-row ball bearings are also available with varying grease levels and are widely applicable to applications where the space is limited.
Single-row ball bearings are also called angular-contact ball bearings. Because of their single-row design, they are not separable and can accommodate a high-speed, heavy-duty application. Single-row angular-contact ball bearings can only handle axial load in one direction, and they must be installed in pairs for pure radial loads. Single-row ball bearings are a popular type of rolling bearings and can be used for a wide range of applications.

Self-aligning

The self-aligning ball bearing was invented by Sven Wingquist, a plant engineer for a textile company in Sweden. While he was responsible for making production as efficient as possible, he soon realized that the machinery he had in place wasn’t working as efficiently as it could. Although ball bearings are great for reducing friction, they were not flexible enough to compensate for misalignments in the machine.
Self-aligning ball bearings have two rows of balls and a common sphered raceway. The inner ring is curved and combines the two rows of balls into one cage. These bearings can tolerate shaft misalignment and compensate for static angular defects. They can be used in simple woodworking machinery, ventilators, and conveying equipment. They are often the preferred choice for applications where shaft alignment is an issue.

Ceramic

A Ceramic ball bearing is a type of high-performance bearing that is available in both full-ceramic and hybrid forms. The main differences between ceramic and steel ball bearings are their construction, lubrication, and mobility. High-quality ceramic ball bearings are durable, and they are ideal for corrosive and high-temperature applications. The material used to create these bearings helps prevent electrolytic corrosion. They are also ideal for reducing the friction and lubrication requirements.
Ceramic balls are harder and less brittle than steel balls, which gives them a higher degree of rigidity. Ceramics also have a higher hardness, with a hardness of Rc75-80 compared to Rc58-64 for steel balls. Their high compressive strength is approximately 5 to 7 times greater than steel. In addition, they have a very low coefficient of friction, which allows them to spin at higher speeds and with less friction. This increases their lifespan and durability, and decreases the energy needed to turn cranks.

Steel

Unlike traditional bearings, steel balls have a relatively uniform hardness. Carbon steel, for instance, is 2.1% carbon by weight. According to the American Iron and Steel Institute, copper content must be no more than 0.40% and manganese content should not be more than 1.65 g/cm3. After carbonizing, steel balls undergo a process called sizing, which improves their roundness geometry and hardness.
The main differences between steel ball bearings and ceramic ball bearings can be traced to their different materials. Ceramic balls are made from zirconium dioxide or silicon nitride. Silicon nitride is harder than steel and resists shocks. The result is increased speed and longer service life. Polyoxymethylene acetal (PMMA) bearing balls are known for their stiffness, strength, and tolerance, but are not as common as steel ball bearings.

Plastic

The most popular types of plastic ball bearings are made of polypropylene or PTFE. These bearings are used in applications requiring higher chemical resistance. Polypropylene is a structural polymer that offers excellent physical and chemical properties, including excellent resistance to organic solvents and degreasing agents. Its lightweight, low moisture absorption rate, and good heat resistance make it an excellent choice for high-temperature applications. However, plastic bearings are not without their drawbacks, especially when operating at very high temperatures or under heavy loads.
Compared to metal bearings, plastic ball-bearings do not require lubrication. They also are highly corrosion-resistant, making them an excellent choice for wash-down applications. They are also post-, autoclave-, and gamma sterilizable. Many conventional steel ball-bearings cannot handle the high temperatures of food processing or swimming pools. In addition to high temperature applications, plastic ball bearings are resistant to chemicals, including chlorine.
bearing

Glass

Plastic sliding bearings are molded bearings made of engineering plastic. With self-lubricating modification technology, these bearings can be produced by injection molding of plastic beads. They are widely used in various industries such as office equipment, fitness and automotive equipment. In addition to plastic bearings, glass balls are used in a variety of other applications, including medical equipment. Glass ball bearings have excellent corrosion resistance, excellent mechanical properties, and are electrically insulators.
Plastic ball bearings are made of all-plastic races and cages. These bearings are suitable for applications that are exposed to acids and alkalis. Because they are cheaper than glass balls, plastic ball bearings are popular in chemical-exposed environments. Stainless steel balls are also resistant to heat and corrosion. But the main disadvantage of plastic ball bearings is that they are not as strong as glass balls. So, if weight and noise is your main concern, consider using plastic balls instead.

Miniature

The global miniature ball bearing market is expected to reach US$ 2.39 Billion by 2027, at a CAGR of 7.2%. Growth in the region is attributed to technological advancement and government initiatives. Countries such as India and China are attracting FDIs and emphasizing the establishment of a global manufacturing hub. This is boosting the market for miniature ball bearings. The miniscule ball bearings are manufactured in small quantities and are very small.
Some manufacturers produce miniature ball bearings in different materials and designs. Chrome steel is the most popular material for miniature ball bearings because of its high load capacity, low noise properties, and lower cost. But the cost of stainless steel miniature bearings is low, since the amount of steel used is minimal. Stainless steel miniature bearings are the smallest in size. Therefore, you can choose stainless steel mini ball bearings for high-speed applications.

Angular-contact

Angular-contact ball bearings have three components: a cage, inner ring, and balls. Angular-contact ball bearings can support high axial and radial loads. Various design and manufacturing attributes make angular-contact ball bearings suitable for a variety of applications. Some features of this bearing type include a special lubricant, different cage materials, and different coatings.
The size of an angular-contact ball bearing is determined by the design units: outer ring width, axial load, and radial load. Depending on the type of application, an angular-contact ball bearing may be manufactured in double-row, triple-row, or quadruple-row configurations. Angular contact ball bearings can be classified according to their design units, which range from metric to imperial. A higher ABEC number means tighter tolerances. To determine the tolerance equivalent of a particular bearing, consult a standard Angular-contact ball bearing table.
Angular-contact ball bearings feature high and low-shoulder configurations. They have two-dimensional races that accommodate axial and radial loads. They are available in self-retaining units with solid inner and outer rings, and ball and cage assemblies. Cages made of cast and wrought brass are the most popular, but lightweight phenolic cages are also available. The latter is a better choice because it doesn’t absorb oil and has lower rolling friction.
bearing

Materials

When it comes to the construction of a ball bearing, high-quality raw materials are a crucial component. These materials not only affect the overall quality of a ball bearing, but also influence the cost. That’s why you should pay close attention to raw material quality. In addition to that, raw materials should be tested several times before the manufacturing process to ensure quality. Read on for some information about the different types of materials used to make ball bearings.
Steel is the most common material for ball bearings. Most ball bearings contain stainless steel balls, which are remarkably corrosion-resistant. They are also resistant to saltwater and alkalis. However, stainless steel balls are heavier than plastic ones, and they are also magnetic, which may be a drawback in some applications. If you’re looking for a metal-free option, glass balls are the way to go. They’re sturdy, lightweight, and resistant to a wide range of chemicals.

China Good quality High Quality Cylindrical Roller Bearings Hot Sale Size   double row ball bearingChina Good quality High Quality Cylindrical Roller Bearings Hot Sale Size   double row ball bearing
editor by CX 2023-11-15

China supplier 6009 Skating Bearings Steel Balls Bearings Ball Skateboard Bearings bearing driver

Product Description

Specification

The type of  deep groove ball Bearing 60series  component materials used in automobile, tractor, machinery, motor, water pump, agricultural machinery and textile machinery. Its wide application, simple design, non – separation, suitable for high – speed, reliable operation, low maintenance costs.The tight consistency between deep raceway and groove and ball enables deep raceway ball bearings to withstand axial loads in both directions in addition to radial loads.

Product Parameters

Application
1. Automatic controlling machine
2. Semi-conductor industry
3. General industry machinery
4. Medical equipment
5. Solar energy equipment
6. Machine tool
7. Parking system
8. High-speed rail and aviation transportation equipment, etc.

Packaging & Shipping 

Packaging Detail 1.Industrial Exporting Package
2. Individual plastic/Carton/pallet
3. As the customers’ requirements
Delivery Detail 30-45 days for normal order

About us
HangZhou Kent bearing company was established in 2, 63192752 Fax: Address: Mayan Industry Zone, Henghe Town, HangZhou, HangZhou, China

Contact Angle: 0
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel
Samples:
US$ 1/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

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

How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?

Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:

  • Size:

The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.

  • Load Capacity:

Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.

  • Precision:

Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.

  • Speed:

Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.

  • Friction and Efficiency:

Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.

  • Applications:

Miniature ball bearings find applications in various industries and sectors:

  • Electronics and Consumer Devices:

They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.

  • Medical and Dental Equipment:

Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.

  • Robotics and Automation:

Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.

  • Aerospace and Defense:

They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.

  • Optics and Instrumentation:

Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.

Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.

ball bearing

What is a Ball Bearing and How does it Function in Various Applications?

A ball bearing is a type of rolling-element bearing that uses balls to reduce friction between moving parts and support radial and axial loads. It consists of an outer ring, an inner ring, a set of balls, and a cage that separates and maintains a consistent spacing between the balls. Here’s how ball bearings function in various applications:

  • Reduction of Friction:

Ball bearings function by replacing sliding friction with rolling friction. The smooth, spherical balls minimize the contact area between the inner and outer rings, resulting in lower friction and reduced heat generation.

  • Radial and Axial Load Support:

Ball bearings are designed to support both radial loads (forces perpendicular to the shaft’s axis) and axial loads (forces parallel to the shaft’s axis). The distribution of balls within the bearing ensures load-carrying capacity in multiple directions.

  • Smooth Rotational Movement:

Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.

  • Applications in Machinery:

Ball bearings are used in a wide range of machinery and equipment, including motors, generators, gearboxes, conveyors, and fans. They enable the efficient transfer of motion while reducing wear and energy losses.

  • Automotive Industry:

Ball bearings are extensively used in automobiles for various applications, including wheel hubs, transmission systems, steering mechanisms, and engine components. They provide reliability and durability in challenging automotive environments.

  • Industrial Machinery:

In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.

  • High-Speed Applications:

Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.

  • Precision Instruments:

For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.

  • Variety of Sizes and Types:

Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.

In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.

China supplier 6009 Skating Bearings Steel Balls Bearings Ball Skateboard Bearings   bearing driverChina supplier 6009 Skating Bearings Steel Balls Bearings Ball Skateboard Bearings   bearing driver
editor by CX 2023-11-08

China factory Sr1-4 Instrument Ball Bearings ABEC-7 with 440c Stainless Steel carrier bearing

Product Description

Type No. Metric Type Bore Size: 1.50mm up to 12mm
Inch Type Bore Size: 0.0781″ up to 0.75″ 
Flanged Metric Type Bore Size: 1.50mm up to 12mm
Flanged Inch Type Bore Size: 0.0781″ up to 0.75″ 
Materials Inner/Outer Race AISI440C, AISI420
Balls AISI440C, AISI420, Si3N4 Ceramic
Retainer Rivet Cage, Crown Cage, Nylon Cage
Seals/Shields ZZ, ZZS, TTS, 2RS, 2RU
Precision ABEC-1, ABEC-3, ABEC-5, ABEC-7
Vibration & Noise Z1, Z1V1, Z2V1, Z2V2, Z3V3
Lubrication SRL,PS2, B325, SRI#2,  M28, Oil Lube, Dried, etc..

We mainly focuses on stainless steel small-sized ball bearings with full ranges. We’re especially good at the production of Extra-thin bearings, Bearings with flange, Hybrid Ceramic ball bearings, Non-standard bearings and Bearings with Teflon seals.

After decade of experiences to understand bearings and the needs of our clients, we spent much time and achieved enough capability for customized bearings, and continuously develop brilliant solutions for end-users. 

Applications: 
1). fishing equipments
2). hobby models
3). remote radio control products
4). power transmissions
5). medical instruments
6). office appliances, and more…

Q1: Can I get a free sample?
A1: We provide samples free in freight collected. For special samples requirement, please contact us for more details. 
Q2: How could I pay?
A2: We prefer T/T or L/C at sight. If you prefer other payment terms, please contact us freely.
Q3: What is your brand and packing way? Can you produce my brand and packing?
A3: Our brand is SGC and our own packing materials. We can make your brand. For more details, please contact us.
Q4: What is the delivery lead time?
A4: It depends on the order quantities. The mass production lead time is about 45-60 days after receipt of the deposit. 
Q5: Are you manufacturer or  trading company?
A5: We are manufacturer and exporter. We provide all kinds of OEM services for clients around the world.
Q6: Where is your main market?
A6: We export to the North America, Mexico, Australia, South-east Asia, Europe, U.A.E., Turkey, and other countries.

Our Services
1. Professional QC and QA team to make sure all products qualified before shipping.
2. Competitive price.
3 .Standard package to ensure the safe transportation.
4. Professional service.

Why choose us?
1. Production
    Qualified production, competitive price, professional service. 
2. Quality
    All products are inspected 100% before shipment by relative testing equipments.

 

Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Radial Bearing
Material: Stainless Steel
Retainer: Rivet Type, Crown Type
Samples:
US$ 0/Set
1 Set(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

bushing

What you should know about bushings

If you are in the market for a casing, there are a few things you should know before buying. First, a bushing is a mechanical part with a rotating or sliding shaft part. You can find them in almost all industrial applications due to their excellent load-carrying capacity and anti-friction properties. They are especially important in construction, mining, agriculture, hydropower, material handling, and more.

Casing application

The casing market is mainly driven by the growth of the power generation industry. The increasing electrification of Asia Pacific and the deployment of renewable energy in countries such as Saudi Arabia and the UAE are driving the demand for distribution transformer bushings. In addition, the demand for bushings in Western Europe is also likely to increase with the spread of renewable energy and the installation of electric vehicle charging infrastructure. However, the market in Asia Pacific is expected to remain small compared to the rest of the world.
Although bushings are relatively expensive, they are very durable and cost-effective. Furthermore, bushings have a variety of applications, making them an important component in power transformers. For example, power transformers often use bushings to achieve relative movement by sliding or rolling. The vehicle suspension system also uses rubber bushings for a smooth ride and rotating bushings for machine-related operations. They require precision machined parts and are especially useful in applications where high loads and friction must be controlled. Also, plastic bushings are used for wheels in dry kilns, where lubrication is often troublesome.
Transformers require constant monitoring, which is one of the reasons bushings are so important in power transformers. Any failure of these components could result in the total loss of the transformer and all surrounding equipment. To maintain high system reliability, utilities must monitor insulation in and around bushings, especially if transformers have been in use for decades. Some utilities have made monitoring the condition of their transformers an important part of their smart grid plans.

Material

The core of the dry casing has many material interfaces. The discharge most likely originates near the edges of the foils and can cause electrical tree growth or breakdown between adjacent foils. Several studies have investigated interfacial effects in composite insulating materials and concluded that the conditions under which the interface occurs is a key factor in determining the growth of electrical trees. This study found that material type and interface conditions are the two most important factors for the growth of electrical trees.
Bushings can be made of many different materials, depending on their purpose. The main purpose of the bushing is to support the assembly while protecting it. They must be stiff enough to support the load placed on them, and flexible enough to protect the shaft. Since the shaft is usually not centered on the bushing during rotation, the bushing must be durable enough to carry the load while still protecting the shaft. Here are several materials used for bushings:
A stabilizer bar assembly is a good example of pre-assembly. This pre-assembly enables the vehicle assembly plant to receive components ready for vehicle assembly. The prior art requires the vehicle assembly plant to separate the bushing from the stabilizer bar. However, the present invention eliminates this step and provides a mechanically rigid stabilizer bar assembly. It is designed to prevent audible squeals and improve vehicle performance and handling.
Hardened steel bushings are ideal for pivot and low speed applications. They are made of high carbon steel and fully hardened to 56-62 HRC. Bronze bushings require daily or weekly lubrication but are more expensive than plastic bushings. Plastic bushings are low cost, low maintenance, self lubricating and do not require regular lubrication. These are also suitable for applications with hard to reach parts.
bushing

application

Bushings have many applications in various industries. Most of the time, it is used for drilling. Its excellent chemical and mechanical properties can be used to protect various equipment. These components are versatile and available in a variety of materials. All sleeves are packaged according to national and international standards. They are used in many industrial processes from construction to drilling. Some application examples are listed below.The component 10 may contain a tank for a liquid such as fuel, and the object 12 may be made of fiber reinforced composite material. Sleeve assembly 16 is configured to ground component 10 and object 12 . It may be a bulkhead isolator 40 used to isolate electrical charges in aircraft hydraulic lines. Bushing assembly 16 is one of many possible uses for the bushing assembly. The following examples illustrate various applications of bushing assemblies.
Bearings are devices used to reduce friction between moving surfaces. They are a good choice for many applications as they are maintenance free and extend the life of machine components. They can be used in a variety of applications and are often used with plastic and metal materials. For example, Daikin offers bronze and brass bushings. Bushings have many other uses, but they are most commonly used in machines, especially when used in low-load environments.
The most common application for bushings is drilling. Swivel bushings can be used in almost any drilling application. For more complex applications, CZPT’s engineering department can create special designs to your specifications. The applications of bushings in machining centers are endless. By providing a smooth, reliable interface, bushings are an excellent choice for precision machining. They can also provide current paths.

Cost

When you have a vehicle that needs a bushing replacement, you may be wondering about the cost of a bushing replacement. The fact is, the cost of a bushing replacement will vary widely, depending on the specific car model. Some cars cost as little as $5, while other vehicles can cost up to $300. The replacement of a control arm bushing may not cost that much, but it’s important to know that it’s a relatively expensive part to replace.
Most mechanics charge around $375 for a job that involves replacing the bushing in a control arm. However, this price range can vary significantly, depending on whether the mechanic uses OE or aftermarket parts. In any case, the cost of labor is typically included in the price. Some mechanics may even include a labor charge, which is an additional cost. In general, however, the cost of a control arm bushing replacement is comparable to the cost of replacing a single bushing.
Control arm bushings are made of two metal cylinders secured together by a thick layer of rubber. Over time, these parts can deteriorate due to accidents, potholes, and off-roading. For this reason, it is important to replace them as soon as possible. Bushing replacement can save you money in the long run, and it’s important to have your vehicle repaired as soon as possible. If your control arm bushing is showing signs of wear, you should have it replaced before it becomes completely useless.
If you have decided to replace your suspension bushing yourself, the cost will be considerably lower than you would spend on the replacement of other components. If you have a mechanically-inclined mechanic, you can do it yourself. The parts and labour are reasonably cheap, but the most expensive part is the labor. Because it requires disassembling the wheel and suspension and installing a new bushing, it is important to have a mechanic who has a good understanding of vehicle mechanicry. The cost for control arm bushing replacement is between $20 and $80 per bushing, and a set of four costs approximately $300.
bushing

Disambiguation

If you’ve come across a page containing information about Bushing, you may have been looking for more information. This disambiguation page lists publications about the person, but these have not been assigned to him. We encourage you to contact us if you know who the true author of these publications is. Nevertheless, if you’re searching for specific information about Bushing, we recommend you start with CZPT.

China factory Sr1-4 Instrument Ball Bearings ABEC-7 with 440c Stainless Steel   carrier bearingChina factory Sr1-4 Instrument Ball Bearings ABEC-7 with 440c Stainless Steel   carrier bearing
editor by CX 2023-10-22

China Best Sales High Performance Ball Bearings Self Aligning Ball Bearing 1308 1304 2201 manufacturer

Product Description

Product Description

Our Products:

Tapered, cylindrical, ball bearings, self-aligning roller bearings, base bearings, car hub bearings, truck hubs, and other products.
We can customize the bearing according to the drawings or samples provided by the customer.

 

Detailed Photos

 

Product Parameters

Double Row Self-aligning Ball Bearing
1204 1305 11204 2205
1205 1306 11205 2205K
1206 1307 11206 2206
1207 1307 11207 2206K
1208 1308 11208 2207
1209 1309 11209 2207K
1210 1310 11210 2208
1211 1312 11211 2208K
1212 1313 11212 2209
1213 1314 11214 2209K
1214 1315 11215 2210
1215 1316 11216 2210K
1216 1318 11217 2211
1217 1320 11218 2211K
    11305 2212
    11306 2212K
    11307 2213
    11308 2213K
    11309 22147
    11310 2214K
    11311 2215
    11312 2215K
    11313 2216
    11314 2216K
    11315 2217
    11316 2217K
    11317 2304
    11318 2304K

 

Packaging & Shipping

STHangZhouRD PACKAGING:

Plastic bag + single box + carton + tray;
Industrial packaging + carton + pallet;
We also can According to your requirements change.

 

Company Profile

HangZhou CZPT Trading Co., Ltd. was founded in August 2014. It is a bearing manufacturer integrating
research, development, and sale of bearings, with a floor area of 18,000 square meters and a plant area of 4,800
square meters. The company has a state-level enterprise technology center and a number of provincial high-tech
enterprises with strong technical strength. our company was honored as a competitive brand in the market.

Equipped with modern production equipment and advanced detection instruments, the company especially
produces Bearings including 3 varieties of spherical roller bearings, namely cylindrical roller bearings,
tapered roller bearings and thrust spherical roller bearings, Automobile Hub Bearing, to replace imported
high-end products.

With the precision of grade P0, grade P6 P5 P4, we bearings are widely used in complete products in metallurgical, mining, petroleum, chemical, coal, cement, papermaking, wind power, heavy machinery, engineering machinery, and port machinery industries. With self-run import & export rights, we sell our products across China and in tens of other countries and areas such as the United States, Canada, Italy, Russia, Germany, and South Africa.

We would like to serve customers around the world with our reliable products, reasonable prices, and attentive service. The leading products of the company cover 3 main categories which include more than 3,000 types of bearing products.

FAQ

1. What is the minimum order quantity for this product?
A: Can be negotiated, and we will try our best to meet customer needs. Our company is mainly based on wholesale sales, most customers’ orders are more than 1 ton.

2. What is your latest delivery time?
A: If the goods are in stock, usually 5-10 days. Or if the goods are not in stock, it is 15-20 days, which is based
on the quantity.

3. Does your company have quality assurance?
A: Yes, for 2 years.

4. What is the competitiveness of your company’s products compared to other companies?
A: High precision, high speed, low noise.

5. What are the advantages of your company’s services compared to other companies?
A: Answer questions online 24 hours a day, reply in a timely manner and provide various documents required
by customers for customs clearance or sales. 100% after-sales service.

6. Which payment method does your company support?
A: 50% deposit, balance payment before delivery.

7. How to contact us quickly?
A: Please send us an inquiry or message and leave your other contact information, such as phone number,
WhatsApp account or WeChat account, we will contact you as soon as possible.
 

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.

Spherical: Non-Aligning Bearings
Material: Bearing Steel
Separated: Separated
Load Direction: Radial Bearing
The Number of Rows: Single
Outer Dimension: Small (28-55mm)
Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

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.ball bearing

How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?

Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:

  • Size:

The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.

  • Load Capacity:

Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.

  • Precision:

Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.

  • Speed:

Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.

  • Friction and Efficiency:

Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.

  • Applications:

Miniature ball bearings find applications in various industries and sectors:

  • Electronics and Consumer Devices:

They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.

  • Medical and Dental Equipment:

Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.

  • Robotics and Automation:

Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.

  • Aerospace and Defense:

They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.

  • Optics and Instrumentation:

Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.

Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.

  • 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 Best Sales High Performance Ball Bearings Self Aligning Ball Bearing 1308 1304 2201   manufacturerChina Best Sales High Performance Ball Bearings Self Aligning Ball Bearing 1308 1304 2201   manufacturer
editor by CX 2023-08-30

China Best Sales Axial Angular Ball Bearings for Bicycles, Bike Parts, Mh-P08f 30.5X41.8X8 45/45 Headset Bearing Spare Parts 1688 bearing bronze

Product Description

Product Description

Bicycle headsetAngular Contact Bearing(ACB)is application for 1″, 1-1/8″, 1-1/4″ and 1-1/2″internal & semi-intergrated headsets.

Bicycle Brand: Cannondale;Giant;Kona;Marin;Niner;Pivot;Scott;Specialized;Trek;Yeti.etc

Race material : chrome steel GCr15 / AISI521-2RS   bicycle bearing  ACB872K 30.15X41.5X6.5 36/36 bicycle bearing  ACB510H7 40X51X7 – 45/45 bicycle bearing  6904/19.05-2RS   bicycle bearing  ACB4252H7 42*52*7  45/45 bicycle bearing  MR397508-2RS   bicycle bearing  15267-2RS   bicycle bearing  AC50*61.9*8-2RS 36/45   bicycle bearing  ACB394 39*46.9*7 45/45 bicycle bearing  MH-P08H7A 30.5*41.8*7 45/45 bicycle bearing  MR18307-2RS  

 

Detailed Photos

 

Company Profile

 

HangZhou WOLEE Industrial Co., Ltd was founded in 2015, The team and knowledge from one have 20years more history bearings manufacture. Now have some partner factory with bearings and another industrial area.

The company mainly operates bearings and other industrial components such as chain, guide rail, gear and micro gearbox. Its products are widely used in the fields of metallurgy, mining, papermaking, petrochemical, power, railway, aviation, cement, textile, machinery, etc., it has lots of clients among these fields and has accumulated rich experience to meet different demands of all sectors. At present, its trade scale expands increasingly, its clients are all across the world, and it wins the trust of home and abroad clients by virtue of good reputation.

The company adheres to the tenet of “people first, quality first, credit first and reputation first” and provides each client with top service.

It heartily hopes to join hands with you to create a wonderful world!

 

Shipping Cost:

Estimated freight per unit.



To be negotiated
Contact Angle: 45°
Aligning: Non-Aligning Bearing
Separated: Unseparated
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|

Order Sample

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 relball 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 bball 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.

oth 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.

iability and durability in challenging automotive environments.

  • Industrial Machinery:

In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.

  • High-Speed Applications:

Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.

  • Precision Instruments:

For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.

  • Variety of Sizes and Types:

Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.

In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.

China Best Sales Axial Angular Ball Bearings for Bicycles, Bike Parts, Mh-P08f 30.5X41.8X8 45/45 Headset Bearing Spare Parts 1688   bearing bronzeChina Best Sales Axial Angular Ball Bearings for Bicycles, Bike Parts, Mh-P08f 30.5X41.8X8 45/45 Headset Bearing Spare Parts 1688   bearing bronze
editor by CX 2023-08-29

China Best Sales 6212 Deep Groove Ball Bearings Factory Price Tapered Roller Bearing bearing distributors

Product Description

Product Description

 Original Brand Bearing Tapered Roller Bearing Deep Groove Ball Bearing Wheel Hub Bearing Cylindrical Roller Bearing for Auto Parts

I. PRODUCT INFO.

HQA BEARING offers the most extensive line of tapered roller bearings in the world. Tapered roller bearings consist of 4 interdependent components: the cone (inner ring), the cup (outer ring), the tapered rollers (rolling elements) and the cage (roller retainer). Tapered roller bearings are uniquely designed to manage both thrust and radial loads between a rotating and non-rotating member. The steeper the cup angle, the greater the ability of the bearing to handle thrust loads.

Size:          5-600 mm
Material:      Grc15 Chrome Steel
Lubrication:   Grease Oil
Cage:          Steel,Brass, Nylon
Roller Type:   Ball, roller 
Used machinery,automotive, rolling mill, mining, metallurgical, plastic machinery, Industry

Detailed Photos

 


6571 deep groove ball bearings applications :


Industries:

Aerospace, agriculture, automotive, heavy truck, cement, aggregate, coal, oil and gas, construction, gear drives, machine tools, mining, paper, metals, rail and wind.

Benefits:
Enhanced performance in demanding applications.
 

II. We also produce and supply 

Company Profile

 

Product Parameters

 

TECHNICAL PARAMETERS

 

Trade Terms: 

FOB

 

Service:

OEM

CIF

ODM

 

Precision Grade:

P0(ABEC-1),

P6(ABEC3),

P5(ABEC5),

P4(ABEC-7)

P2(ABEC-9)

 

Payment Terms:

Paypal, T/T,L/C, Western Union,alipay, Trade Assurance,and ect.

Taper Roller Bearings Use:

Taper roller bearings are widely used in automotive, mill, mining, metallurgy, plastics machinery and other industries.

Shipping:

By sea, by air, by express delivery

Structure:

Single row/ Double row / Four row

Website:

chikbearing

60  Series  Deep  Groove  Ball  bearings   Technical   Paramrter
Bearing NO. d/mm D/mm B/mm   Bearing NO.
d D B rsmin
604 4 12 4 0.2 604
605 5 14 5 0.2 605
606 6 17 6 0.3 606
607 7 19 6 0.3 607
608 8 22 7 0.3 608
609 9 24 7 0.3 609
6000 10 26 8 0.3 6000
6001 12 28 8 0.3 6001
6002 15 32 9 0.3 6002
6003 17 35 10 0.3 6003
6004 20 42 12 0.6 6004
60/22 22 44 12 0.6 60/22
6005 25 47 12 0.6 6005
60/28 28 52 12 0.6 60/28
6006 30 55 13 1 6006
60/32 32 58 13 1 60/32
6007 35 62 14 1 6007
6008 40 68 15 1 6008
6009 45 75 16 1 6009
6571 50 80 16 1 6571
6011 55 90 18 1.1 6011
6012 60 95 18 1.1 6012
6013 65 100 18 1.1 6013
6014 70 110 20 1.1 6014
6015 75 115 20 1.1 6015
6016 80 125 22 1.1 6016
6017 85 130 22 1.1 6017
6018 90 140 24 1.5 6018
6019 95 145 24 1.5 6019
6571 100 150 24 1.5 6571
6571 105 160 26 2 6571
6571 110 170 28 2 6571
6571 120 180 28 2 6571
6026 130 200 33 2 6026
6571 140 210 33 2 6571
6030 150 225 35 2.1 6030
6032 160 240 38 2.1 6032
6034 170 260 42 2.1 6034
6036 180 280 46 2.1 6036
6038 190 290 46 2.1 6038
6040 200 310 51 2.1 6040
6044 220 340 56 3 6044
6048 240 360 56 3 6048
6052 260 400 65 4 6052
6056 280 420 65 4 6056
6060 300 460 74 4 6060
6064 320 480 74 4 6064
6068 340 520 82 5 6068
6072 360 540 82 5 6072
6076 380 560 82 5 6076
6080 400 600 90 5 6080
6084 420 620 90 5 6084
6088 440 650 94 6 6088
6092 460 680 100 6 6092
6096 480 700 100 6 6096
60/500 500 720 100 6 60/500
           
 
62  Series  Deep  Groove  Ball  bearings   Technical   Paramrter
Bearing NO.         Bearing NO.
d D B rsmin
623 3 10 4 0.15 623
624 4 13 5 0.2 624
625 5 16 5 0.3 625
626 6 19 6 0.3 626
627 7 22 7 0.3 627
628 8 24 8 0.3 628
629 9 26 8 0.3 629
6200 10 30 9 0.6 6200
6201 12 32 10 0.6 6201
6202 15 35 11 0.6 6202
6203 17 40 12 0.6 6203
6204 20 47 14 1 6204
62/22 22 50 14 1 62/22
6205 25 52 15 1 6205
62/28 28 58 16 1 62/28
6206 30 62 16 1 6206
62/32 32 65 17 1 62/32
6207 35 72 17 1.1 6207
6208 40 80 18 1.1 6208
6209 45 85 19 1.1 6209
6210 50 90 20 1.1 6210
6211 55 100 21 1.5 6211
6212 60 110 22 1.5 6212
6213 65 120 23 1.5 6213
6214 70 125 24 1.5 6214
6215 75 130 25 1.5 6215
6216 80 140 26 2 6216
6217 85 150 28 2 6217
6218 90 160 30 2 6218
6219 95 170 32 2.1 6219
6220 100 180 34 2.1 6220
6221 105 190 36 2.1 6221
6222 110 200 38 2.1 6222
6224 120 215 40 2.1 6224
6226 130 230 40 3 6226
6228 140 250 42 3 6228
6230 150 270 45 3 6230
6232 160 290 48 3 6232
6234 170 310 52 4 6234
6236 180 320 52 4 6236
6238 190 340 55 4 6238
6240 200 360 58 4 6240
6244 220 400 65 4 6244
6248 240 440 72 4 6248
6252 260 480 80 5 6252
           
 
63  Series  Deep  Groove  Ball  bearings   Technical   Paramrter
Bearing NO.         Bearing NO.
d D B rsmin
633 3 13 5 0.2 633
634 4 16 5 0.3 634
635 5 19 6 0.3 635
6300 10 35 11 0.6 6300
6301 12 37 12 1 6301
6302 15 42 13 1 6302
6303 17 47 14 1 6303
6304 20 52 15 1.1 6304
63/22 22 56 16 1.1 63/22
6305 25 62 17 1.1 6305
63/28 28 68 18 1.1 63/28
6306 30 72 19 1.1 6306
63/32 32 75 20 1.1 63/32
6307 35 80 21 1.5 6307
6308 40 90 23 1.5 6308
6309 45 100 25 1.5 6309
6310 50 110 27 2 6310
6311 55 120 29 2 6311
6312 60 130 31 2.1 6312
6313 65 140 33 2.1 6313
6314 70 150 35 2.1 6314
6315 75 160 37 2.1 6315
6316 80 170 39 2.1 6316
6317 85 180 41 3 6317
6318 90 190 43 3 6318
6319 95 200 45 3 6319
6320 100 215 47 3 6320
6321 105 225 49 3 6321
6322 110 240 50 3 6322
6324 120 260 55 3 6324
6326 130 280 58 4 6326
6328 140 300 62 4 6328
6330 150 320 65 4 6330
6332 160 340 68 4 6332
6334 170 360 72 4 6334

 

Packaging & Shipping

 

 

Shipping Cost:

Estimated freight per unit.



To be negotiated
After-sales Service: 24 Hours Service Online
Warranty: 12 Month
Type: Deep Groove Ball Bearing
Samples:
US$ 0.01/Set
1 Set(Min.Order)

|

Order Sample

ball bearing

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?

Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:

  • Deep Groove Ball Bearings:

Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.

  • Angular Contact Ball Bearings:

Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.

  • Self-Aligning Ball Bearings:

Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.

  • Thrust Ball Bearings:

Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.

  • Single-Row vs. Double-Row Bearings:

Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.

  • Miniature 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 lubricantball 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.

    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.

    and Instrument Ball Bearings:

Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.

  • Max-Type and Conrad Bearings:

Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.

  • High-Precision Ball Bearings:

High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.

  • High-Speed Ball Bearings:

High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.

In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.

China Best Sales 6212 Deep Groove Ball Bearings Factory Price Tapered Roller Bearing   bearing distributorsChina Best Sales 6212 Deep Groove Ball Bearings Factory Price Tapered Roller Bearing   bearing distributors
editor by CX 2023-08-29

China manufacturer CZPT CZPT CZPT CZPT CZPT CZPT Bearings Roller Bearing Ball Bearing 6205 RS Zz bearing example

Product Description

SKF CZPT CZPT CZPT Fyh Bearings Roller bearing Ball Bearing 6205 RS ZZ

NO 1. our adwantages:

1. 14 years bearing products manufacturing and 4 years exporting experiences.
2. OEM order and non-standard bearing order can be accepted.
3. Our main bearing products include Deep groove ball bearings, tapered roller bearings, cylindrical roller bearings, angular contact bearings, needle roller bearings, thrust ball bearings, spherical bearings, automotive bearings pump bearings, and many nonstandard bearings are also in our product range.
4. Sample available

NO 2. Description: Ball bearing

Race: we use the most advanced technology-cold extrusion process. Besides, the race will make 2 or 3 times temper to guarantee its high precision.

Rolling element: we use the rolling technology to process the roller and the steel ball of high precision bearing, the most advantage of our technology is to promote productive and productive efficiency. At the same time, our technology can prolong the bearing working life. The hardness and the diamention stability will also promote.

Steel cage: in order to avoid avoid cracks and guarantee the hardness, we use pattern “high temperature+long time”, our cage of high precision bearing have reached advanced level in china at surface abrasion resistance and fatigue strength.

NO 3. Types of Ball bearing

– Single row deep groove ball bearings
– Single row deep groove ball bearings with filling slots
– Stainless steel deep groove ball bearings
– Double row deep groove ball bearings
– Hybrid deep groove ball bearings
– Deep groove ball bearings for high temperature applications

NO 4. OEM all brand bearing

NO 5. Ball Bearing Specification:

Seals Types ZZ,Z,2RS,rs,RZ,2RZ,OPEN
Vibration Level Z1V1,Z2V2,Z3V3
Clearance C2,C0,C3,C4,C5
Tolerance Codes ABEC-1,ABEC-3,ABEC-5
Materral GCr15-China/AISI52100-USA/Din100Cr6-Germany
MOQ 1Set at least
Delivery Time 5-10 days after contract
Payment Terms TT/PAPAL/WESTERN UNION
Package Tube package+outer carton+pallets;Single box+outer carton+pallets;
Tube pavkge+middle box+outer carton+pallets;According to your requirement

NO 6. Deep Groove Ball Bearing Models and Parameters:

6000 series deep groove ball bearings                                                            

N0. Bore O.D Width Chamfer Load Rating Maximuum Seed Weight
mm mm mm mm Dynamic
Cr
Static
Cor
Grease
r/min
Oil
r/min
Kg/pcs
604 4 12 4 0.2 0.97 0.36 36000 44000 0.0571
605 5 14 5 0.2 1.33 0.505 32000 40000 0.0035
606 6 17 6 0.3 2.19 0.865 30000 38000 0.006
607 7 19 6 0.3 2.24 0.91 28000 36000 0.008
608 8 22 7 0.3 3.35 1.4 26000 34000 0.012
609 9 24 7 0.3 3.4 1.45 24000 32000 0.014
6000 10 26 8 0.3 4.55 1.96 22000 30000 0.019
6001 12 28 8 0.3 5.1 2.39 19000 26000 0.571
6002 15 32 9 0.3 5.6 2.83 18000 24000 0.03
6003 17 35 10 0.3 6.8 3.35 17000 22000 0.039
6004 20 42 12 0.6 9.4 5.05 15000 19000 0.069
6005 25 47 12 0.6 10.1 5.85 14000 18000 0.08
6006 30 55 13 0.6 13.2 8.3 12000 15000 0.116
6007 35 62 14 1.0 16 10.3 10000 14000 0.115
6008 40 68 15 1.0 16.8 11.5 8000 11000 0.19

6200 Series Miniature Deep Groove Ball Bearing             

N0. Bore O.D Width Chamfer Load Rating Maximuum Seed Weight
mm mm mm mm Dynamic
Cr
Static
Cor
Grease
r/min
Oil
r/min
Kg/pcs
624 4 13 5 0.2 1.15 0.4 36000 45000 0.0032
625 5 16 5 0.3 1.76 0.680 32000 40000 0.0050
626 6 19 6 0.3 2.34 0.885 28000 36000 0.0080
627 7 22 7 0.3 3.35 1.400 26000 34000 0.0130
628 8 24 8 0.3 4.00 1.590 24000 32000 0.0170
629 9 26 8 0.3 4.55 1.960 22000 30000 0.0190
6200 10 30 9 0.6 5.10 2.390 19000 26000 0.0300
6201 12 32 10 0.6 6.10 2.750 18000 24000 0.0360
6202 15 35 11 0.6 7.75 3.600 17000 22000 0.0460
6203 17 40 12 0.6 9.60 4.600 16000 20000 0.0650
6204 20 47 14 1.0 12.80 6.650 14000 18000 0.1070
6205 25 52 15 1.0 14.00 7.850 12000 16000 0.1250
6206 30 62 16 1.0 19.50 11.300 10000 13000 0.2571

6300 Series Miniature Deep Groove Ball Bearing                     

N0. Bore O.D Width Chamfer Load Rating Maximuum Seed Weight
mm mm mm mm Dynamic
Cr
Static
Cor
Grease
r/min
Oil
r/min
Kg/pcs
6300 10 35 11 0.6 8.2 3.5 18000 24000 0.053
6301 12 37 12 1.0 9.7 4.2 17000 22000 0.06
6302 15 42 13 1.0 11.4 5.45 16000 20000 0.082
6303 17 47 14 1.0 13.5 6.55 15000 19000 0.115
6304 20 52 15 1.1 15.9 7.9 14000 17000 0.144

6800 Series Miniature Deep Groove Ball Bearing                     

N0.
 
Bore O.D Width Chamfer Load Rating Maximuum Seed Weight
mm mm mm mm Dynamic
Cr
Static
Cor
Grease
r/min
Oil
r/min
Kg/pcs
685 5 11 3 0.15 0.715 0.282 35000 45000 0.0011
686 6 13 3.5 0.15 1.08 0.44 33000 42000 0.0019
687 7 14 3.5 0.15 1.17 0.505 31000 40000 0.0571
688 8 16 4 0.2 1.61 0.715 29000 38000 0.0031
689 9 17 4 0.2 1.72 0.82 28000 36000 0.0032
6800 10 19 5 0.3 1.83 0.925 26000 34000 0.005
6801 12 21 5 0.3 1.92 1.04 22000 30000 0.006
6802 15 24 5 0.3 2.08 1.26 20000 28000 0.007
6803 17 26 5 0.3 2.23 1.46 19000 26000 0.008
6804 20 32 7 0.3 4 2.47 17000 22000 0.019
6805 25 37 7 0.3 4.3 2.95 15000 19000 0.571
6806 30 42 7 0.3 4.7 3.65 13000 17000 0.026
6807 35 47 7 0.3 4.9 4.05 11000 15000 0.571

6900 Series Deep Groove Ball Bearing                              

N0.
 
Bore O.D Width Chamfer Load Rating Maximuum Seed Weight
mm mm mm mm Dynamic
Cr
Static
Cor
Grease
r/min
Oil
r/min
Kg/pcs
693 3 8 3 0.15 0.56 0.18 44000 52000 0.0006
694 4 11 4 0.15 0.715 0.276 38000 47000 0.0018
695 5 13 4 0.2 1.08 0.43 34000 43000 0.0571
696 6 15 5 0.2 1.35 0.53 32000 40000 0.0038
697 7 17 5 0.3 1.61 0.715 30000 38000 0.0052
698 8 19 6 0.3 1.99 0.865 28000 36000 0.0073
690 9 20 6 0.3 2.48 1.09 27000 34000 0.0082
6900 10 22 6 0.3 2.7 1.27 25000 32000 0.009
6901 12 24 6 0.3 2.89 1.46 20000 28000 0.011
6902 15 28 7 0.3 3.65 2 19000 26000 0.016
6903 17 30 7 0.3 4.65 2.58 18000 24000 0.018
6904 20 37 9 0.3 6.4 3.7 17000 22000 0.036
6905 25 42 9 0.3 7.05 4.55 14000 18000 0.042
6906 30 47 9 0.3 7.25 5 12000 16000 0.048
6907 35 55 10 0.3 9.55 6.85 10000 14000 0.074
 

contact-info.html

Why Choose Us:

SFNB bearing company has 14 years manufacture experience and is 1 of the biggest adjustment center in north of China.
We have large stock of original brand and our own brand bearing.
Sample is available.
We can accept OEM service.
SFNB Bearing Co., Ltd. Was founded in March 2008. We were principally engaged in the research, development and manufacture of bearings in the early stage. Now we are mainly engaged in the sales of internationally-famous brand bearings. Our products are sold in Britain, America, Japan, Italy and Southeast Asia, well appreciated by their purchasers.
 

Shipping Cost:

Estimated freight per unit.

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.



To be negotiated
Contact Angle: 0
Aligning: Non-Aligning Bearing
Separated: Unseparated
Customization:
Available

|

Customized Request

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 prball 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.

otect 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 CZPT CZPT CZPT CZPT CZPT CZPT Bearings Roller Bearing Ball Bearing 6205 RS Zz   bearing exampleChina manufacturer CZPT CZPT CZPT CZPT CZPT CZPT Bearings Roller Bearing Ball Bearing 6205 RS Zz   bearing example
editor by CX 2023-08-23