Product Description
Product Description
| Bearing No. | Shape Dimension | Basic load Rating KN |
Max Speed rpm |
Mass | |||||
| Bore d |
Outer Diameter D |
Width B |
Radius r min | Dynamic | Static | Grease | Oil | ||
| mm | mm | mm | mm | Cr | Cor | Kg | |||
| 6000 Series | |||||||||
| 606 | 6 | 17 | 6 | 0.3 | 1.95 | 0.72 | 30000 | 38000 | 0.0057 |
| 607 | 7 | 19 | 6 | 0.3 | 2.88 | 1.08 | 28000 | 36000 | 0.0071 |
| 608 | 8 | 22 | 7 | 0.3 | 3.32 | 1.38 | 26000 | 34000 | 0.011 |
| 609 | 9 | 24 | 7 | 0.3 | 3.35 | 1.4 | 22000 | 30000 | 0.014 |
| 6000 | 10 | 26 | 8 | 0.3 | 4.58 | 1.98 | 20000 | 28000 | 0.018 |
| 6001 | 12 | 28 | 8 | 0.3 | 5.1 | 2.38 | 19000 | 26000 | 0.02 |
| 6002 | 15 | 32 | 9 | 0.3 | 5.58 | 2.85 | 18000 | 24000 | 0.026 |
| 6003 | 17 | 35 | 10 | 0.3 | 6 | 3.25 | 17000 | 22000 | 0.036 |
| 6004 | 20 | 42 | 12 | 0.6 | 9.38 | 5.02 | 15000 | 19000 | 0.069 |
| 6005 | 25 | 47 | 12 | 0.6 | 10.1 | 5.85 | 13000 | 17000 | 0.075 |
| 6006 | 30 | 55 | 13 | 1 | 10.18 | 6.91 | 10000 | 14000 | 0.116 |
| 6007 | 35 | 62 | 14 | 1 | 12.47 | 8.66 | 9000 | 12000 | 0.155 |
| 6008 | 40 | 68 | 15 | 1 | 13.1 | 9.45 | 8500 | 11000 | 0.185 |
| 6009 | 45 | 75 | 16 | 1 | 16.22 | 11.96 | 8000 | 10000 | 0.231 |
| 6571 | 50 | 80 | 16 | 1 | 16.94 | 12.95 | 7000 | 9000 | 0.25 |
| 6011 | 55 | 90 | 18 | 1.1 | 23.28 | 17.86 | 7000 | 8500 | 0.362 |
| 6012 | 60 | 95 | 18 | 1.1 | 24.35 | 19.35 | 6300 | 7500 | 0.385 |
| 6013 | 65 | 100 | 18 | 1.1 | 24.66 | 19.74 | 6000 | 7000 | 0.41 |
| 6014 | 70 | 110 | 20 | 1.1 | 29.68 | 24.2 | 5600 | 6700 | 0.575 |
| 6015 | 75 | 115 | 20 | 1.1 | 30.91 | 26.06 | 5300 | 6300 | 0.603 |
| 6016 | 80 | 125 | 22 | 1.1 | 36.57 | 31.36 | 5000 | 6000 | 0.821 |
| 6017 | 85 | 130 | 22 | 1.1 | 39.04 | 33.75 | 4500 | 5600 | 0.848 |
| 6018 | 90 | 140 | 24 | 1.5 | 44.63 | 39.16 | 4300 | 5300 | 1.1 |
Detailed Photos
Ball Bearings
1.0 Introduction
Ball bearings are used widely in instruments and machines in order to minimize friction and power loss. While the concept of the ball bearing dates back at least Leonardo da Vinci, their design and manufacture has become remarkably sophisticated. In the following we shall review their basic characteristics.
2.0 Types of Ball Bearings
Commercially available ball bearings, which are usually made from hardened steel, involve many forms of construction. These have been summarized by A.O. DeHart (“Which Bearings and Why”, ASME Paper 59-MD-12, 1959), from which source the following material (including Figures 1 & 2) is hereby reprinted*
“A typical deep-groove ball bearing designed for high-speed operation is shown in Figure 1. In this bearing, the separator serves to keep the balls from rubbing against 1 another as is piloted on the inner race OD. Alternatively, the separator may be piloted by the rolling elements or by the outer race ID. Where rotative speeds are low, the separator often is omitted. The rolling elements may take many forms – cylinders, balls, tapered rollers, barrels, or very slim rollers known as needles – and the whole bearing name is generally taken from this form.
Packaging & Shipping
FAQ
SAMPLES
1.Samples quantity: 1-10 pcs are available.
2.Free samples: It depends on the model NO., material and quantity. Some of the bearings samples need client to pay
samples charge and shipping cost.
3.It’s better to start your order with Trade Assurance to get full protection for your samples order.
CUSTOMIZED
The customized LOGO or drawing is acceptable for us.
MOQ
1.MOQ: 10 pcs mix different standard bearings.
2.MOQ: 3000 pcs customized your brand bearings.
OEM POLICY
1.We can printing your brand (logo,artwork)on the shield or laser engraving your brand on the shield.
2.We can custom your packaging according to your design
3.All copyright own by clients and we promised don’t disclose any info.
SUPORT
Please visit our bearings website, we strongly encourge that you can communicate with us through email,thanks!
We have all kinds of bearings, just tell me your item number and quantity,best price will be offered to you soon
The material of the bearings, precision rating, seals type,OEM service,etc, all of them we can make according to your requirement.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Bearing Direction: | Radial |
|---|---|
| Lubricating Film Thickness: | Thin Film Lubrication |
| Presicion: | P0, P6, P5, P4, P2 |
| Bore Size: | 3 – 2390 mm |
| Bushing Material: | Self-Lubrication |
| Lubricating Way: | Maintenance-Free Bearing |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|

Can you Provide Examples of Industries where Ball Bearings are Crucial Components?
Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
- Automotive Industry:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
- Aerospace Industry:
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
- Industrial Machinery:
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
- Medical Equipment:
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
- Robotics and Automation:
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
- Renewable Energy:
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
- Marine and Shipbuilding:
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
- Heavy Equipment and Construction:
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
- Electronics and Consumer Appliances:
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
- Oil and Gas Industry:
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.
These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.

How do Temperature and Environmental Conditions Affect the Performance of Ball Bearings?
Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:
- Lubrication:
Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.
- Material Properties:
Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.
- Clearance Changes:
Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.
- Corrosion and Contamination:
Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.
- Thermal Stress:
Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.
- Noise and Vibration:
Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.
- Lubricant Degradation:
Environmental factors like humidity, dust, and contaminants can lead to premature lubricant degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.
- Seal Effectiveness:
Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.
- Choosing Appropriate Bearings:
When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.
Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.

What Factors should be Considered when Selecting a Ball Bearing for a Particular Application?
Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:
- Load Type and Magnitude:
Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.
- Speed and Operating Conditions:
Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.
- Accuracy and Precision:
For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.
- Space Limitations:
If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.
- Thrust and Radial Loads:
Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.
- Alignment and Misalignment:
If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.
- Mounting and Installation:
Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.
- Lubrication and Maintenance:
Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.
- Environmental Conditions:
Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.
- Bearing Material:
Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.
- Bearing Arrangement:
Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.
By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.


editor by CX 2024-02-21
China Hot selling Stainless Steel AISI420/AISI304/AISI316/AISI440 Deep Groove Ball Bearing 6202/6204/620 Zz-C3 for Caster Bearing/Agri Bearing/Emq Bearing with high quality
Product Description
We JSW is a reliable stated-owned bearing manufacture and exporter located in ZheJiang Province (China), which is 1 of the best ball bearings industry area in China. I have handled bearings business for more than 20 years and specialize in this line. We have fully experience to export our bearings to European, USA, North American, South American, and Russia.
We have QA engineers who can control the quality during production and before each shipment. Be sure our bearing with top quality in CHINA, favorable price and on-time delivery!
Our office
Our factory
Here is our production scope of Deep groove ball bearings
Deep groove ball bearings are commonly used in a number of applications as their simple structures and convenient using. They mainly carry radial loads, but also can carry combined loads as same as angular contact ball bearings when the radial clearance increases. They may carry pure axial loads when the speed is high and thrust ball bearings are not suitable. Comparing with other bearings, deep groove ball bearings have lower friction coefficient and higher limiting speed, but can not carry heavy loads.
Deep groove ball bearings commonly adopt ribbon steel pressed cages, and metal machined solid cages are often for large-size deep groove ball bearings.
Deep groove ball bearings are widely used in agriculture machinery, tractors, machine tools, generators, water-pumps,auto-motives, textile machinery,etc.
Model: 607—-6571, 624—6210, 634—6310, 686—61810, 695—61910, R series, 62200—62205, 16571—16006
Application
Our inspection center
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Materials: | AISI420/AISI304/AISI316/AISI440 |
|---|---|
| Quality: | High Quality |
| Precision Grade: | P0, P6, P5 ABEC-1/ABEC-7/ABEC-5 |
| Noise: | Zv1 Zv2 Zv3 |
| Seal Type: | Open, Z, Zz, Rz, 2rz, RS, 2RS |
| Application 1: | Agriculture Industrial Machinery Parts |
| Customization: |
Available
| Customized Request |
|---|

What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?
Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:
- Unusual Noise:
If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.
- Vibration:
Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.
- Increased Temperature:
Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.
- Irregular Movement:
If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.
- Reduced Performance:
If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.
- Visible Wear or Damage:
Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.
- Leakage or Contamination:
If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.
- Looseness or Excessive Play:
If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.
- Reduced Lifespan:
If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.
- Frequent Failures:
If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.
It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.

What Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?
Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:
- Contaminant Exclusion:
Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.
- Lubrication Retention:
Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.
- Corrosion Prevention:
Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.
- Extended Bearing Life:
Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.
- Enhanced Performance in Harsh Environments:
In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.
- Noise and Vibration Reduction:
Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.
- Customized Protection:
Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.
- Trade-Offs:
While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions.
Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of applications.

What Factors should be Considered when Selecting a Ball Bearing for a Particular Application?
Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:
- Load Type and Magnitude:
Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.
- Speed and Operating Conditions:
Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.
- Accuracy and Precision:
For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.
- Space Limitations:
If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.
- Thrust and Radial Loads:
Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.
- Alignment and Misalignment:
If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.
- Mounting and Installation:
Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.
- Lubrication and Maintenance:
Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.
- Environmental Conditions:
Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.
- Bearing Material:
Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.
- Bearing Arrangement:
Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.
By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.


editor by CX 2024-02-19
China Best Sales High- Precision Stainless Steel Ball Bearings drive shaft bearing
Product Description
Company Profile
HangZhou CZPT Imp. & Exp. Co., Ltd. is a manufacturing and trade combo company with 20 years of experience in steel balls. Our steel ball plant was founded in 1998 and has already received an ISO9001:2015 certificate. We also can supply carbon steel balls, chrome steel balls, plastic balls, ceramic balls, and rollers according to our customer’s requirements. So far, we have exported to many countries such as the USA, UK, Italy, Germany, Russia, Brazil, France, Peru, South Africa, etc. If you have any needs, please feel free to contact us.
Product Description
Stainless steel balls
Applications:
For 300 series stanless steel balls, they are used in Trigger sprayers,Bearings,Dispenser valves,Body jewelry lotion pumps, and so on.
For 400 series stainless steel balls, they are most used in Bearing applications,Valve, Locking mechanisms,Fasteners,and so on.
Chermical Composition:
| AISI Number |
C% | Si% | Mn% | Cr% | Ni% | Mo% | P% | S% | property |
| AISI 304 | 0.07 MAX |
1.00 MAX |
2.00 MAX |
17.0~ 19.0 |
8.0~ 10.5 |
0.045 MAX |
0.03 MAX |
Slightly magnetic,flat surface HRC 25min. |
|
| AISI 316 | 0.07 MAX |
1.00 MAX |
2.00 MAX |
16.5~ 18.5 |
10.5~ 13.5 |
2.00~ 2.50 |
0.045 MAX |
0.03 MAX |
Better corrosion resistance than SS304 specially against Sulfuric acid and ink/bleach/nitric |
| AISI 420 | 0.07~ 0.25 |
1.00 MAX |
1.00 MAX |
12.0~ 14.0 |
0.045 MAX |
0.03 MAX |
Magnetic,martensite steel. flat surface HRC 50min, better corrosion resistant |
||
| AISI 430 | 0.08 MAX |
1.00 MAX |
1.00 MAX |
15.5~ 17.5 |
0.045 MAX |
0.03 MAX |
Ferritic stainless steel,better corrosion resistant than 3series at higher temperature | ||
| AISI 440 | 0.95~ 1.20 |
1.00 MAX |
1.00 MAX |
16.0~ 18.0 |
0.045 MAX |
0.02 MAX |
Martensite,fair corrosion to water,alcohol,oil and food product. |
Hardness: HRC25-39 ( without demagnetization treatment)
special hardness can be made according to the customer’s requirement.
Ball Surface:Bright, Zero Defect
Certification:ISO 9001:2015
Safe:RoHS SGS
Export Markets:Global
Package: Normal package or customize as per the customer’s requirement. Below is the nomal package ways.
Step 1: Weighing stainless steel balls. Usually the weight is about 10kg.
Step 2: Sealed plastic bags
Step 3: Put sealed plastic bags into small boxes.
Step 4: Each box has the label, including material, Lot No. size, quantity, grade, date……
Step 5: Each box directly put into plywood case.
Service
We would like to offer you services as:
– Instant improvement and design of products
– Quick response to the prices
– Complete inspection report
– Traceable
– Perfect logistic
We hope that our products can offer better quality support for you!
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| Size: | AISI316 7.937mm |
|---|---|
| Samples: | Free |
| Quality: | ISO9001:2015 |
| Standard: | ISO3290 |
| Transport Package: | Plastic Bag – Box – Carton – Case |
| Specification: | 7.937mm |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.

What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?
Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:
- Effective Sealing:
Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.
- Clean Environment:
Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.
- Proper Handling:
Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.
- Clean Tools and Equipment:
Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.
- Contamination-Controlled Workstations:
Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.
- Proper Lubrication:
Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.
- Regular Inspections:
Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.
- Training and Education:
Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.
- Environmental Controls:
In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.
- Regular Cleaning and Maintenance:
Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.
- Selection of Suitable Bearings:
Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.
By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.

What are the Different Components that Make up a Typical Ball Bearing?
A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:
- Outer Ring:
The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.
- Inner Ring:
The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.
- Balls:
The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.
- Cage or Retainer:
The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.
- Seals and Shields:
Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.
- Lubricant:
Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.
- Flanges and Snap Rings:
In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.
- Raceways:
Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.
- Anti-Friction Shield:
In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.
These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.


editor by CX 2024-02-14
China supplier Stainless Steel Bearing Units Inserted Ball Bearings/Shc201-Shc214 deep groove ball bearing
Product Description
Product Description
We can supply you all range of bearing housing inserted bearings in Stainless steel, Chrome steel and other materials customers required. We can make both metric sized and inch sized bearings for European and U. S. Standard markets.
| Bearing No. | Dimension | Dynamic load | Statie load | Weight (kg) | ||||||||||
| ratings | ratings | |||||||||||||
| d | D | B1 | B | C | S | ds | G | B5 | d3 | F | N | N | ||
| SS-HC201 | 12 | 0.29 | ||||||||||||
| SS-HC201-8 | 0.5 | 0.29 | ||||||||||||
| SS-HC202 | 15 | 47 | 43.7 | 34.2 | 17 | 17.1 | M6× 0.75 | 4.8 | 13.5 | 33.3 | 4.4 | 0.27 | ||
| SS-HC202-9 | 9/16 | 1.8504 | 1.720 | 1.3465 | 0.6693 | 0.673 | 1/4-28UNF | 0.189 | 0.531 | 1.311 | 0.1732 | 12800 | 6650 | 0.26 |
| SS-HC202-10 | 5/8 | 0.26 | ||||||||||||
| SS-HC203 | 17 | 0.25 | ||||||||||||
| SS-HC203-11 | 11/16 | 0.25 | ||||||||||||
| SS-HC204 | 20 | 47 | 43.7 | 34.2 | 17 | 17.1 | M6× 0.75 | 4.8 | 13.5 | 33.3 | 4.4 | 12800 | 6650 | 0.23 |
| SS-HC204-12 | 3/4 | 1.8504 | 1.720 | 1.3465 | 0.6693 | 0.673 | 1/4-28UNF | 0.189 | 0.531 | 1.311 | 0.1732 | 0.23 | ||
| SS-HC205 | 25 | 52 | 44.4 | 34.9 | 17 | 17.5 | M6× 0.75 | 5 | 13.5 | 38.1 | 4.4 | 0.27 | ||
| SS-HC205-13 | 13/16 | 0.32 | ||||||||||||
| SS-HC205-14 | 7/8 | 2.571 | 1.748 | 1.374 | 0.6693 | 0.689 | 1/4-28UNF | 0.197 | 0.531 | 1.500 | 0.1732 | 14000 | 7850 | 0.31 |
| SS-HC205-15 | 15/16 | 0.29 | ||||||||||||
| SS-HC205-16 | 1 | 0.27 | ||||||||||||
| SS-HC206 | 30 | 62 | 48.4 | 36.5 | 19 | 18.3 | M8× 1 | 5 | 15.9 | 44.5 | 5.2 | 0.45 | ||
| SS-HC206-17 | 1-1/16 | 0.50 | ||||||||||||
| SS-HC206-18 | 1-1/8 | 2.4409 | 1.906 | 1.437 | 0.7480 | 0.720 | 5/16-24UNF | 0.197 | 0.626 | 1.752 | 0.2047 | 19500 | 11300 | 0.47 |
| SS-HC206-19 | 1-3/16 | 0.45 | ||||||||||||
| SS-HC206-20 | 1-1/4 | 0.42 | ||||||||||||
| SS-HC207 | 35 | 72 | 51.1 | 37.6 | 20 | 18.8 | M8× 1 | 7 | 17.5 | 55.6 | 5.5 | 0.60 | ||
| SS-HC207-20 | 1-1/4 | 0.67 | ||||||||||||
| SS-HC207-21 | 1-5/16 | 2.8346 | 2.012 | 1.4803 | 0.7874 | 0.740 | 5/16-24UNF | 0.276 | 0.689 | 2.189 | 0.2165 | 25700 | 15300 | 0.63 |
| SS-HC207-22 | 1-3/8 | 0.60 | ||||||||||||
| SS-HC207-23 | 1-7/16 | 0.57 | ||||||||||||
| SS-HC208 | 40 | 80 | 54 | 40.5 | 21 | 19 | M8× 1 | 8 | 18.3 | 60.3 | 6.2 | 0.79 | ||
| SS-HC208-24 | 1-1/12 | 3.1496 | 2.126 | 1.5945 | 0.8268 | 0.7480 | 5/16-24UNF | 0.315 | 0.720 | 2.374 | 0.244 | 29500 | 18100 | 0.84 |
| SS-HC208-25 | 1-9/16 | 0.80 | ||||||||||||
| SS-HC209 | 45 | 85 | 54 | 40.5 | 22 | 19 | M8× 1 | 8 | 18.3 | 63.5 | 6.4 | 0.85 | ||
| SS-HC209-26 | 1-5/8 | 0.96 | ||||||||||||
| SS-HC209-27 | 1-11/16 | 3.3465 | 2.126 | 1.5945 | 0.8661 | 0.7480 | 5/16-24UNF | 0.315 | 0.720 | 2.5000 | 0.252 | 31600 | 20600 | 0.91 |
| SS-HC209-28 | 1-3/4 | 0.87 | ||||||||||||
| SS-HC210 | 50 | 90 | 62.7 | 49.2 | 24 | 24.6 | M8× 1 | 10 | 18.3 | 69.9 | 6.5 | 0.99 | ||
| SS-HC210-29 | 1-13/16 | 1.14 | ||||||||||||
| SS-HC210-30 | 1-7/8 | 3.5433 | 2.469 | 1.937 | 0.9449 | 0.969 | 5/16-24UNF | 0.394 | 0.720 | 2.752 | 0.256 | 35000 | 23200 | 1.08 |
| SS-HC210-31 | 1-15/16 | 1.02 | ||||||||||||
| SS-HC210-32 | 2 | 0.96 | ||||||||||||
| SS-HC211 | 55 | 100 | 71.4 | 55.5 | 25 | 27.8 | M10× 1 | 10 | 20.7 | 76.2 | 7 | 1.32 | ||
| SS-HC211-32 | 2 | 1.52 | ||||||||||||
| SS-HC211-33 | 2-1/16 | 3.937 | 2.811 | 2.185 | 0.9843 | 1.094 | 3/8-24UNF | 0.394 | 0.815 | 3.000 | 0.2760 | 43500 | 29200 | 1.44 |
| SS-HC211-34 | 2-1/8 | 1.37 | ||||||||||||
| SS-HC211-35 | 2-3/16 | 1.29 | ||||||||||||
| SS-HC212 | 60 | 110 | 77.8 | 61.9 | 27 | 31 | M10× 1.25 | 10 | 22.3 | 84.2 | 8.5 | 1.88 | ||
| SS-HC212-36 | 2-1/4 | 2.04 | ||||||||||||
| SS-HC212-37 | 2-5/16 | 4.3307 | 3.063 | 2.437 | 1.063 | 1.22 | 3/8-24UNF | 0.394 | 0.878 | 3.315 | 0.3346 | 47700 | 32900 | 1.95 |
| SS-HC212-38 | 2-3/8 | 1.90 | ||||||||||||
| SS-HC212-39 | 2-7/16 | 1.77 | ||||||||||||
| SS-HC213 | 65 | 120 | 85.7 | 68.6 | 28 | 34.1 | M10× 1.25 | 10 | 23.5 | 86 | 8.5 | 2.41 | ||
| SS-HC213-40 | 2-1/2 | 4.3307 | 3.374 | 2.7008 | 1.0630 | 1.343 | 3/8-24UNF | 0.394 | 0.925 | 3.386 | 0.335 | 57500 | 40000 | 2.51 |
| SS-HC213-41 | 2-9/16 | 2.40 | ||||||||||||
| SS-HC214 | 70 | 125 | 85.7 | 68.6 | 29 | 34.1 | M10× 1 | 12 | 23.5 | 90 | 8.9 | 2.55 | ||
| SS-HC214-42 | 2-5/8 | 2.79 | ||||||||||||
| SS-HC214-43 | 2-11/16 | 4.9213 | 3.374 | 2.7008 | 1.1417 | 1.343 | 3/8-24UNF | 0.472 | 0.925 | 3.543 | 0.335 | 60800 | 45000 | 2.68 |
| SS-HC214-44 | 2-3/4 | 2.56 |
Packaging & Shipping
Packing : 1)Tube packing + Neutral Carton + Wooden pallet
2) Acoording to customer’s requirement
Why Choose Us
TECHNICAL SKILLS
The company currently has more than 100 employees, including more than 50 professional technicians, over 10 engineers, and over 10 elite salesperson.
PRODUCTION
The monthly output of insert bearing is expected to be 450,000-500,000 with 6 main production lines; the deep groove, and the monthly output of deep groove ball is expected to be 350,000-400,000 sets with 3 production lines.
TRANSPORT
we usually offer sea freight shipping since we are very close to HangZhou Port and ZheJiang Port. Of course, for urgent order, it is also very convenient for us to choose the air and train freight or other options.
AFTER SALES SERVICE
We will reply to you within 2 hours after receiving the inquiry on working days.we mainly do custom products, we develop and produce products according to drawings or samples provided by customers.
About Us
HangZhou HangZhou Bearing Co., Ltd., established in 1994 stands right at the prime location of the Yangtze River Delta. Specialized in the production of high-quality deep groove ball bearings and insert bearings. It has emerged as a modern company integrating product development, design, manufacturing, sales and service. It can produce bearings with an inner diameter of 3mm to 100mm and customize various non-standard products with highly-automated equipment, stable quality, and complete testing methods ensuring the quality of its products.
With the vigorous development of the foreign trade department, our business in bearing production and sales in 2018 far exceeded 20 million US dollars, and the products were sold in more than 50 countries and regions.
The company has established a modernized enterprise management system, pooling talents in various fields to make the company more humane, informatized and international with the ISO9001 quality management system being introduced to the production process to enhance its competitiveness. In 2017, the ISO/TS16949 quality management system was also introduced to seek further development in richer application field.
Taking “integrity; service; cooperation; CZPT ” as the core values, and “customer first, order primacy” as its working philosophy, adhering to the vision of becoming China’s best bearing supplier, while satisfying the customers and helping employees achieve their dreams, it is constantly heading towards the goal of “get the world move with Chinese Bearings “.
FAQ
[Q:]1. How soon can we get a reply after we send you an inquiry??
[A:] We will reply you within 2 hours after receiving the inquiry on working days.
[Q:]2. Are you a manufacturer or a trading company??
[A:] We have our own factory, covering an area of more than 12,000 square meters, and we also have our own international trade department, our products are self-produced and self-sold.
[Q:]4.What products do you offer??
[A:] Deep groove ball bearings, insert bearings, pillow block, tapered roller bearings, thrust ball bearings, angular contact bearings, self-aligning roller bearing, etc.
[Q:]5.Which applications your products are mainly involved??
[A:] Our products cover almost all applicable fields of equipment manufacturing and machinery manufacturing industry, mainly includingrailways, trucks, construction machinery, mining machinery, forklifts, agricultural machinery, ships, petroleum machinery, power accessories, electromechanical hardware tools
[Q:]6. Can you make customized products??
[A:] Yes, we mainly do customized products, we develop and produce products according to drawings or samples provided by customers.
[Q:]7. What is the production capacity of your company??
[A:] The monthly output of insert bearing is expected to be 450,000-500,000 with 6 main production lines; the deep groove, and the monthly output of deep groove ball is expected to be 350,000-400,000 sets with 3 production lines.
[Q:]8. What is the total number of your employees , and how many of them are technicians.?
[A:] The company currently has more than 100 employees, including more than 50 professional technicians, over 10 engineers, and over 10 elite salesperson.
[Q:]9.How does your company ensure the quality of the products.?
[A:] First of all, we will have corresponding inspections after each process. For the final products, we will do 100% inspection according to customer requirements and international standards; Then, we have advanced and complete top-level testing equipment in the industry: spectrum analyzer, metallographic microscope, universal tensile testing machine, low temperature impact testing machine, X-ray flaw detector, magnetic particle flaw detector, ultrasonic flaw detector, coordinate measuring instrument, image Measuring instrument, etc. The above equipment can fully guarantee the high-precision finished castings of the finished parts, and at the same time ensure the customer’s comprehensive testing requirements for physical and chemical properties, non-destructive testing and high-precision geometrical dimensions.
[Q:]10.what is the payment method??
[A:] When you quote, we will confirm with you the trading method, FOB, CIF, CNF or other methods. In mass production, we usually pay 30% advance payment first, then see the balance of the bill of lading. Most of the payment methods are T/T, of course, L/C is also acceptable.
[Q:]11.How the goods are delivered to customers??
[A:] we usually offer sea freight shipping since we are very close to HangZhou Port and ZheJiang Port. Of course, for urgent order, it is also very convenient for us to choose the air and train freight or other options.
[Q:]12.Where are your products mainly exported to??
[A:] Our products are exported to dozens of foreign countries mainly including Germany, Italy, the United States, Austria, Slovakia, Slovenia, Sweden, Ukraine, Poland, Russia, Canada, Brazil, India, Turkey, Iran, Vietnam.
RUN YOUR DREAMS WITH NSJ !
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| Separated: | Separated |
|---|---|
| Load Direction: | Radial Bearing |
| Material: | Stainless Steel |
| Rolling Body: | Ball Bearings |
| The Number of Rows: | Single |
| Outer Dimension: | Small and Medium-Sized (60-115mm) |
| Customization: |
Available
| Customized Request |
|---|

Can you Provide Examples of Industries where Ball Bearings are Crucial Components?
Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
- Automotive Industry:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
- Aerospace Industry:
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
- Industrial Machinery:
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
- Medical Equipment:
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
- Robotics and Automation:
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
- Renewable Energy:
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
- Marine and Shipbuilding:
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
- Heavy Equipment and Construction:
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
- Electronics and Consumer Appliances:
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
- Oil and Gas Industry:
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.
These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.

How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?
Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:
- Size:
The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.
- Load Capacity:
Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.
- Precision:
Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.
- Speed:
Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.
- Friction and Efficiency:
Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.
- Applications:
Miniature ball bearings find applications in various industries and sectors:
- Electronics and Consumer Devices:
They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.
- Medical and Dental Equipment:
Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.
- Robotics and Automation:
Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.
- Aerospace and Defense:
They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.
- Optics and Instrumentation:
Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.
Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?
Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:
- Deep Groove Ball Bearings:
Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.
- Angular Contact Ball Bearings:
Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.
- Self-Aligning Ball Bearings:
Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.
- Thrust Ball Bearings:
Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.
- Single-Row vs. Double-Row Bearings:
Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.
- Miniature and Instrument Ball Bearings:
Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.
- Max-Type and Conrad Bearings:
Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.
- High-Precision Ball Bearings:
High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.
- High-Speed Ball Bearings:
High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.
In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.


editor by CX 2024-02-11
China Best Sales Bearing Rolamentos 6303-2RS High Precision Double Sealed Deep Groove Ball Bearing with Chrome Steel connecting rod bearing
Product Description
Bearing 6303-2RS High Precision Double Sealed Deep Groove Ball Bearing
Bearing parameters:
| CHROME STEEL* | Dimensions in mm unless otherwise specified |
||||||
| Bore | O.D. | Width | Open Bearing | Shielded Bearing | Sealed Bearing | Basic Load Ratings | |
| KN | |||||||
| HNS | HNS | HNS | dynamic | static | |||
| Reference | Reference | Reference | C | Co | |||
| 20 | 42 | 12 | 6004 | 6004ZZ | 6004-2RS | 7.22 | 4.46 |
| 47 | 14 | 6204 | 6204ZZ | 6204-2RS | 12.7 | 6.5 | |
| 52 | 15 | 6304 | 6304ZZ | 6304-2RS | 15.9 | 7.8 | |
| 25 | 47 | 12 | 6005 | 6005ZZ | 6005-2RS | 10.1 | 5.85 |
| 52 | 15 | 6205 | 6205ZZ | 6205-2RS | 14 | 7.8 | |
| 62 | 17 | 6305 | 6305ZZ | 6305-2RS | 22.5 | 11.6 | |
| 80 | 21 | 6405 | 6405ZZ | 6405-2RS | 36.1 | 19.4 | |
| 30 | 55 | 13 | 6006 | 6006ZZ | 6006-2RS | 10.2 | 6.91 |
| 62 | 16 | 6206 | 6206ZZ | 6206-2RS | 19.5 | 11.2 | |
| 72 | 19 | 6306 | 6306ZZ | 6306-2RS | 28.1 | 16 | |
| 90 | 23 | 6406 | 6406ZZ | 6406-2RS | 43.4 | 23.9 | |
| 35 | 62 | 14 | 6007 | 6007ZZ | 6007-2RS | 16 | 10.3 |
| 72 | 17 | 6207 | 6207ZZ | 6207-2RS | 25.5 | 15.3 | |
| 80 | 21 | 6307 | 6307ZZ | 6307-2RS | 33.2 | 19 | |
| 100 | 25 | 6407 | 6407ZZ | 6407-2RS | 55 | 31 | |
| 40 | 68 | 15 | 6008 | 6008ZZ | 6008-2RS | 13 | 11.5 |
| 80 | 18 | 6208 | 6208ZZ | 6208-2RS | 29.8 | 18 | |
| 90 | 23 | 6308 | 6308ZZ | 6308-2RS | 39.8 | 23.3 | |
| 110 | 27 | 6408 | 6408ZZ | 6408-2RS | 65.5 | 37.5 | |
| 45 | 75 | 16 | 6009 | 6009ZZ | 6009-2RS | 21 | 14.9 |
| 85 | 19 | 6209 | 6209ZZ | 6209-2RS | 32.2 | 21 | |
| 100 | 25 | 6309 | 6309ZZ | 6309-2RS | 51.1 | 30.5 | |
| 120 | 29 | 6409 | 6409ZZ | 6409-2RS | 77.5 | 45.5 | |
| 50 | 80 | 16 | 6571 | 6571ZZ | 6571-2RS | 22 | 16.2 |
| 90 | 20 | 6210 | 6210ZZ | 6210-2RS | 34 | 22.5 | |
| 110 | 27 | 6310 | 6310ZZ | 6310-2RS | 59.9 | 36.9 | |
| 130 | 31 | 6410 | 6410ZZ | 6410-2RS | 92.2 | 55.2 | |
| 55 | 90 | 18 | 6011 | 6011ZZ | 6011-2RS | 30.4 | 22 |
| 100 | 21 | 6211 | 6211ZZ | 6211-2RS | 43.3 | 28.1 | |
| 120 | 29 | 6311 | 6311ZZ | 6311-2RS | 71.5 | 44.6 | |
| 140 | 33 | 6411 | 6411ZZ | 6411-2RS | 100 | 62.5 | |
| 60 | 95 | 18 | 6012 | 6012ZZ | 6012-2RS | 30.7 | 22.7 |
| 110 | 22 | 6212 | 6212ZZ | 6212-2RS | 46.1 | 31.5 | |
| 130 | 31 | 6312 | 6312ZZ | 6312-2RS | 79.4 | 50.4 | |
| 150 | 35 | 6412 | 6412ZZ | 6412-2RS | 109 | 70 | |
| 65 | 100 | 18 | 6013 | 6013ZZ | 6013-2RS | 32.1 | 24.9 |
| 120 | 23 | 6213 | 6213ZZ | 6213-2RS | 54.2 | 39.3 | |
| 140 | 33 | 6313 | 6313ZZ | 6313-2RS | 89.5 | 59.7 | |
| 160 | 37 | 6413 | 6413ZZ | 6413-2RS | 118 | 78.5 | |
| 70 | 110 | 20 | 6014 | 6014ZZ | 6014-2RS | 38.6 | 30.6 |
| 125 | 24 | 6214 | 6214ZZ | 6214-2RS | 58.9 | 43.6 | |
| 150 | 35 | 6314 | 6314ZZ | 6314-2RS | 101 | 66 | |
| 180 | 42 | 6414 | 6414ZZ | 6414-2RS | 140 | 99.5 | |
| 75 | 115 | 20 | 6015 | 6015ZZ | 6015-2RS | 31 | 33.1 |
| 130 | 25 | 6215 | 6215ZZ | 6215-2RS | 64.3 | 47.5 | |
| 160 | 37 | 6315 | 6315ZZ | 6315-2RS | 111 | 74.2 | |
| 190 | 45 | 6415 | 6415ZZ | 6415-2RS | 154 | 115 | |
| 80 | 125 | 22 | 6016 | 6016ZZ | 6016-2RS | 47.5 | 39.8 |
| 140 | 26 | 6216 | 6216ZZ | 6216-2RS | 68.1 | 53.3 | |
| 170 | 39 | 6316 | 6316ZZ | 6316-2RS | 120 | 83.9 | |
| 200 | 48 | 6416 | 6416ZZ | 6416-2RS | 163 | 125 | |
| 85 | 130 | 22 | 6017 | 6017ZZ | 6017-2RS | 50.8 | 42.8 |
| 150 | 28 | 6217 | 6217ZZ | 6217-2RS | 83.2 | 64 | |
| 180 | 41 | 6317 | 6317ZZ | 6317-2RS | 132 | 96.5 | |
| 210 | 52 | 6417 | 6417ZZ | 6417-2RS | 175 | 138 | |
| 90 | 140 | 24 | 6018 | 6018ZZ | 6018-2RS | 58 | 49.8 |
| 160 | 30 | 6218 | 6218ZZ | 6218-2RS | 92.7 | 71.3 | |
| 190 | 43 | 6318 | 6318ZZ | 6318-2RS | 145 | 108 | |
| 225 | 54 | 6418 | 6418ZZ | 6418-2RS | 192 | 158 | |
| 95 | 145 | 24 | 6019 | 6019ZZ | 6019-2RS | 57.8 | 50 |
| 170 | 32 | 6219 | 6219ZZ | 6219-2RS | 105 | 79.1 | |
| 200 | 45 | 6319 | 6319ZZ | 6319-2RS | 157 | 122 | |
| 100 | 150 | 24 | 6571 | 6571ZZ | 6571-2RS | 64.5 | 56.2 |
| 180 | 34 | 6220 | 6220ZZ | 6220-2RS | 118 | 88.4 | |
| 215 | 47 | 6320 | 6320ZZ | 6320-2RS | 173 | 140 | |
| 105 | 160 | 26 | 6571 | 6571ZZ | 6571-2RS | 71.8 | 63.2 |
| 190 | 36 | 6221 | 6221ZZ | 6221-2RS | 126 | 98.8 | |
| 225 | 49 | 6321 | 6321ZZ | 6321-2RS | 173 | 145 | |
| 110 | 170 | 28 | 6571 | 6571ZZ | 6571-2RS | 81.9 | 72.9 |
| 200 | 38 | 6222 | 6222ZZ | 6222-2RS | 136 | 112 | |
| 240 | 50 | 6322 | 6322ZZ | 6322-2RS | 193 | 171 | |
| 120 | 180 | 28 | 6571 | 6571ZZ | 6571-2RS | 88.7 | 79.7 |
| 215 | 40 | 6224 | 6224ZZ | 6224-2RS | 139 | 112 | |
| 260 | 55 | 6324 | 6324ZZ | 6324-2RS | 217 | 196 | |
| 130 | 200 | 33 | 6026 | 6026ZZ | 6026-2RS | 105 | 96.8 |
| 230 | 40 | 6226 | 6226ZZ | 6226-2RS | 148 | 125 | |
| 280 | 58 | 6326 | 6326ZZ | 6326-2RS | 218 | 205 | |
| 140 | 210 | 33 | 6571 | 6571ZZ | 6571-2RS | 116 | 108 |
| 250 | 42 | 6228 | 6228ZZ | 6228-2RS | 179 | 167 | |
| 300 | 62 | 6328 | 6328ZZ | 6328-2RS | 275 | 272 | |
| 150 | 225 | 35 | 6030 | 6030ZZ | 6030-2RS | 132 | 125 |
| 270 | 45 | 6230 | 6230ZZ | 6230-2RS | 190 | 183 | |
| 160 | 240 | 38 | 6032 | 6032ZZ | 6032-2RS | 145 | 138 |
| 290 | 48 | 6232 | 6232ZZ | 6232-2RS | 215 | 218 | |
About Deep Groove Ball Cearing
- 6000 Series – Extra Light Ball Bearings – Ideal for limited space applications
- 6200 Series – Light Series Ball Bearings – Balanced between space and load capacity
- 6300 Series – Medium Series Ball Bearings – Ideal for heavier load capacity applications
Deep groove ball bearing component:
Rich bearings in stock:
Application
Package:
A. Plastic paper + kraft paper + outer carton + Nylon bag
B. Tube package + outer carton + Nylon bag
C. Single box + outer carton + pallets
D. According to your requirement
For more information, contact us directly pls.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Aligning: | Non-Aligning Bearing |
|---|---|
| Separated: | Unseparated |
| Rows Number: | Single |
| Samples: |
US$ 0.1/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|

What are the Challenges Associated with Noise Reduction in Ball Bearings?
Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:
- Vibration:
Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.
- Bearing Type and Design:
The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.
- Lubrication:
Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.
- Bearing Clearance and Preload:
Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.
- Material and Manufacturing Quality:
The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.
- Surface Finish:
The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.
- Sealing and Shielding:
Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.
- Operating Conditions:
External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.
- Wear and Deterioration:
As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.
To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.

How do 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.

What is a Ball Bearing and How does it Function in Various Applications?
A ball bearing is a type of rolling-element bearing that uses balls to reduce friction between moving parts and support radial and axial loads. It consists of an outer ring, an inner ring, a set of balls, and a cage that separates and maintains a consistent spacing between the balls. Here’s how ball bearings function in various applications:
- Reduction of Friction:
Ball bearings function by replacing sliding friction with rolling friction. The smooth, spherical balls minimize the contact area between the inner and outer rings, resulting in lower friction and reduced heat generation.
- Radial and Axial Load Support:
Ball bearings are designed to support both radial loads (forces perpendicular to the shaft’s axis) and axial loads (forces parallel to the shaft’s axis). The distribution of balls within the bearing ensures load-carrying capacity in multiple directions.
- Smooth Rotational Movement:
Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.
- Applications in Machinery:
Ball bearings are used in a wide range of machinery and equipment, including motors, generators, gearboxes, conveyors, and fans. They enable the efficient transfer of motion while reducing wear and energy losses.
- Automotive Industry:
Ball bearings are extensively used in automobiles for various applications, including wheel hubs, transmission systems, steering mechanisms, and engine components. They provide reliability and durability in challenging automotive environments.
- Industrial Machinery:
In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.
- High-Speed Applications:
Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.
- Precision Instruments:
For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.
- Variety of Sizes and Types:
Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.
In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.


editor by CX 2024-02-07
China Best Sales China Factory Pressure Plane Thrust Roller Thrust Ball Bearing 51326m 8326m Bearing Steel High Quality Durable Thrust Ball Bearing Eight Types of Bearing bearing block
Product Description
Company Profile
ZheJiang Kangshi Precision Bearing Manufacturing Co., Ltd., located in Yandian Town Industrial Park, HangZhou City, ZheJiang Province, mainly produces zero deep groove ball bearings, 2 types of cylindrical roller bearings, 3 types of aligning roller bearings, 6 types of angular contact ball bearings, 7 types of tapered roller bearings, 8 types of thrust ball bearings, thrust bearings, 9 types of thrust aligning roller bearings, outer spherical bearings, auto parts, Motorcycle parts and other rolling bearings. Our factory has strong professional technology, good production equipment and perfect testing means, can fully meet the various types, specifications, high precision and special use requirements of bearing products customized processing, the production process of the product according to the strict national standards of enterprise internal control standards for the implementation of full inspection and multi-project comprehensive inspection of factory products, Can ensure the quality of each set of factory bearing products to meet national standards. Kangshi bearing has always implemented national standards, market prices, and implemented the “three guarantees” principle for customers: To ensure high-quality quality, preferential prices, superior after-sales service! Welcome customers at home and abroad to consult and negotiate business, the company will continue to win the trust of more customers with good product quality and reputation.
Product Description
| Product Name | Ball bearing Xihu (West Lake) Dis.r bearing Piliow bilock bearing Needle roller bearing Thrust ball bearing |
| Brand Name | KSA |
| Material | Gcr15 |
| Precision Grade | P0,P6,P5 |
| Certification | ISO 9001 |
| Packeage | Box /Carton/Wooden Box/Plastic Tube or Per buyers requirement |
| MOQ | Depending On Moedl |
| Serice | OEM |
| Sample | Available |
| Payment | TT or L/C or Western Union |
| Port | HangZhou ZheJiang HangZhou |
Bearing Profile
Bearing Profile:
Type:Flat thrust ball bearing
Effect: The main role of thrust ball bearings is to withstand axial and radial loads, and can also withstand torque and tilt forces. Its ability to withstand axial load is relatively strong suitable for high speed operation and high precision requirements of mechanical equipment.
Exceptional Load Capacity: Our bearings are designed to handle heavy axial loads with ease, ensuring the reliable operation of your equipment even in the most demanding environments.
Precision Engineering: Crafted with precision and attention to detail, these bearings offer outstanding accuracy and minimal friction, contributing to the efficiency and longevity of your machines.
Reduced Downtime: With our Eight-Class Thrust Ball Bearings, you can count on reduced downtime and maintenance costs, allowing your business to stay productive and profitable.
Versatile Applications: Whether you’re in the automotive, aerospace, manufacturing, or any other
| Old model(New model) | Inside * outside * high | Old model(New model) | Inside * outside * high | Old model(New model) | Inside * outside * high |
| 8100(51100) | 10*24*9 | 8200(51200) | 10*26*11 | 8304(51304) | 20*47*18 |
| 8101(51101) | 12*26*9 | 8201(51201) | 12*28*11 | 8305(51305) | 25*52*18 |
| 8102(51102) | 15*28*9 | 8202(51202) | 15*32*12 | 8306(51306) | 30*60*21 |
| 8103(51103) | 17*30*9 | 8203(51203) | 17*35*12 | 8307(51307) | 35*68*24 |
| 8104(51104) | 20*35*10 | 8204(51204) | 20*40*14 | 8308(51308) | 40*78*26 |
| 8105(51105) | 25*42*11 | 8205(51205) | 25*47*15 | 8309(51309) | 45*85*28 |
| 8106(51106) | 30*47*11 | 8206(51206) | 30*52*16 | 8310(51310) | 50*95*31 |
| 8107(51107) | 35*52*12 | 8207(51207) | 35*62*18 | 8311(51311) | 55*105*35 |
| 8108(51108) | 40*60*13 | 8208(51208) | 40*68*19 | 8312(51312) | 60*110*35 |
| 8109(51109) | 45*65*14 | 8209(51209) | 45*73*20 | 8313(51313) | 65*115*36 |
| 8110(51110) | 50*70*14 | 8210(51210) | 50*78*22 | 8314(51314) | 70*125*40 |
| 8111(51111) | 55*78*16 | 8211(51211) | 55*90*25 | 8315(51315) | 75*135*44 |
| 8112(51112) | 60*85*17 | 8212(51212) | 60*95*25 | 8316(51316) | 80*140*44 |
| 8113(51113) | 65*90*17 | 8213(51213) | 65*100*27 | 8317(51317) | 85*150*49 |
| 8114(51114) | 70*95*18 | 8214(51214) | 70*105*27 | 8318(51318) | 90*155*50 |
| 8115(51115) | 75*100*19 | 8215(51215) | 75*110*27 | 8320(51320) | 100*170*55 |
| 8116(51116) | 80*105*19 | 8216(51216) | 80*115*28 | 8322(51322) | 110*190*63 |
| 8117(51117) | 85*110*19 | 8217(51217) | 85*125*31 | 8324(51324) | 120*210*70 |
| 8118(51118) | 90*120*22 | 8218(51218) | 90*135*35 | 8326(51326) | 130*225*75 |
| 8120(51120) | 100*130*25 | 8220(51220) | 100*150*38 | 8328(51328) | 140*240*80 |
| 8122(51122) | 110*145*25 | 8222(51222) | 110*160*38 | 8330(51330) | 150*250*80 |
| 8124(51124) | 120*155*25 | 8224(51224) | 120*170*39 | 8332(51332) | 160*270*87 |
| 8126(51126) | 130*170*30 | 8226(51226) | 130*190*45 | 8334(51334) | 170*280*87 |
| 8128(51128) | 140*180*31 | 8228(51228) | 140*200*46 | 8336(51336) | 180*300*95 |
| 8130(51130) | 150*190*31 | 8230(51230) | 150*215*50 | 8338(51338) | 190*320*105 |
| 8132(51132) | 160*200*31 | 8232(51232) | 160*225*51 | 8340(51340) | 200*340*110 |
| 8134(51134) | 170*215*34 | 8234(51234) | 170*240*55 | 8344(51344) | 220*360*112 |
| 8136(51136) | 180*225*34 | 8236(51236) | 180*250*56 | 8348(51348) | 240*380*112 |
| 8138(51138) | 190*240*37 | 8238(51238) | 190*270*62 | ||
| 8140(51140) | 200*250*37 | 8240(51240) | 200*280*62 | 8405(51405) | 25*60*24 |
| 8144(51144) | 220*270*37 | 8244(51244) | 220*300*63 | 8406(51406) | 30*70*28 |
| 8148(51148) | 240*300*45 | 8248(51248) | 240*340*78 | 8407(51407) | 35*80*32 |
| 8152(51152) | 260*320*45 | 8252(51252) | 260*360*79 | 8408(51408) | 40*90*36 |
| 8156(51156) | 280*350*53 | 8256(51256) | 280*380*90 | 8409(51409) | 45*100*39 |
| 8160(51160) | 300*380*62 | 8260(51260) | 300*420*95 | 8410(51410) | 50*110*43 |
| 8164(51164) | 320*400*63 | 8264(51264) | 320*440*95 | 8411(51411) | 55*120*48 |
| 8168(51168) | 340*420*64 | 8268(51268) | 340*460*96 | 8412(51412) | 60*130*51 |
| 8172(51172) | 360*440*65 | 8272(51272) | 360*500*110 | 8413(51413) | 65*140*56 |
| 8180(51180) | 400*480*65 | 8276(51276) | 380*520*112 | 8414(51414) | 70*150*60 |
| 8184(51184) | 420*500*65 | 8280(51280) | 400*540*112 | 8415(51415) | 75*160*65 |
| 8188(51188) | 440*540*80 | 8416(51416) | 80*170*68 | ||
| 8192(51192) | 460*560*80 | 8417(51417) | 85*180*72 | ||
| 8196(51196) | 480*580*80 | 8418(51418) | 90*190*77 | ||
| 8420(51420) | 100*210*85 | ||||
| 8422(51422) | 110*230*95 | ||||
| 8424(51424) | 120*250*102 | ||||
| 8426(51426) | 130*270*110 | ||||
| 8428(51428) | 140*280*112 | ||||
| 8430(51430) | 150*300*120 | ||||
| 8436(51436) | 180*360*140 |
Company strength
Company strength:
Stock supply Complete model Timely delivery
1.The main production thrust ball bearing thrust roller bearing needle bearing tapered roller bearing deep groove ball bearing outer spherical bearings and other products
2.implemented the “three guarantees” principle for customers: To ensure high-quality quality, preferential prices, superior after-sales service!
3.The company has bearing production plant, complete inventory supply, complete models, timely delivery, thoughtful after-sales service, reasonable price, welcome to negotiate
Our Advantages
Our Advantage:
1.Our products: with high quality, long life, high speed, low noise, low friction quality products
2. We have: sufficient storage space, sufficient inventory, high production efficiency, we provide customers with the most favorable prices
3. Chinese bearing: in China’s production line, products are exported to all over the world, product specifications are complete, certificates are complete, professional R & D team
4. After-sales service and technical guidance: The company provides after-sales service and technical guidance according to customer requirements and needs
FAQ
Q: What is the MOQ?
A: It depends on the bearing type. You can send inquiry or send e-mail for more information.
Q: How about the package?
A: Industrial packing in general condition (Plastic drums/boxes/industrial packaging + cartons + pallets). Accept design package when OEM.
Q: How long is the delivery time?
A: It will take about 10 to 40 days, depends on the model and quantity.
Q:What are the advantages of your company’s services compared to other companies?
A: Factory direct supply, price advantage, 24 hours online timely reply, Provide customers with customs clearance
and quality of various documents, 100% after-sales service
Q:OEM POLICY
A:We can printing your brand (logo,artwork)on the bearings or laser engraving your brand on the bearings.
We can custom your packaging according to your design All copyright own by clients and we promised don’t
disclose any info.
Q:How to contact us quickly?
A:Please send us an inquiry or message and leave your other contact information, such as phone number,
account or account, we will contact you as soon as possible and provide the detailed information
you need.
Please feel free to contact us, if you have any other question
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Quality: | High Precision |
|---|---|
| Noise: | No |
| Service Life: | Long |
| Samples: |
US$ 4.18/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|

What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?
Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:
- Unusual Noise:
If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.
- Vibration:
Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.
- Increased Temperature:
Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.
- Irregular Movement:
If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.
- Reduced Performance:
If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.
- Visible Wear or Damage:
Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.
- Leakage or Contamination:
If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.
- Looseness or Excessive Play:
If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.
- Reduced Lifespan:
If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.
- Frequent Failures:
If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.
It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.

How do 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.

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?
Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:
- Deep Groove Ball Bearings:
Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.
- Angular Contact Ball Bearings:
Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.
- Self-Aligning Ball Bearings:
Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.
- Thrust Ball Bearings:
Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.
- Single-Row vs. Double-Row Bearings:
Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.
- Miniature and Instrument Ball Bearings:
Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.
- Max-Type and Conrad Bearings:
Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.
- High-Precision Ball Bearings:
High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.
- High-Speed Ball Bearings:
High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.
In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.


editor by CX 2024-01-19
China Standard Bearing Steel Ball Bearing 6005zzcm/Roller Bearing/ Deep Groove Ball Bearing bearing and race
Product Description
Bearing Steel Ball Bearing 6005ZZCM/Roller Bearing/ Deep Groove Ball Bearing
The CZPT 6005ZZ bearing is a specific type of ball bearing manufactured by NSK, a leading global supplier of bearings and other precision products. Here’s the English introduction to the parameters of the CZPT 6005ZZ bearing:
| Model | Inner Diameter | Outer Diameter | Width |
| 6005ZZ | 25 mm | 47 mm | 12 mm |
1. Bearing Type: CZPT 6005ZZ is a deep groove ball bearing. It belongs to the 6000 series of bearings, which are commonly used in various applications due to their versatility and high-speed capability.
2. Dimensions:
– Inner Diameter (ID): 25 mm
– Outer Diameter (OD): 47 mm
– Width: 12 mm
3. Construction and Material:
– The CZPT 6005ZZ bearing has a single row of balls contained within an outer ring, an inner ring, and a cage assembly. The balls provide smooth rotation and load-bearing capability.
– The bearing rings are typically made of high-quality steel, which ensures durability and resistance to wear.
– The cage assembly, usually made of steel or synthetic materials, separates and retains the balls within the bearing, maintaining proper spacing and reducing friction.
4. Shielding:
– The “ZZ” in CZPT 6005ZZ indicates that the bearing is shielded on both sides. Shields are metallic or non-metallic discs that cover the outer sides of the bearing, providing protection against contamination and retaining lubrication.
5. Load Capacity:
– The CZPT 6005ZZ bearing can handle both radial loads (perpendicular to the shaft) and axial loads (parallel to the shaft).
– The specific load capacity depends on factors such as the application, speed, and lubrication conditions. It is essential to refer to NSK’s technical specifications or consult their engineering team for precise load ratings.
6. Operating Conditions:
– The CZPT 6005ZZ bearing is suitable for a wide range of operating conditions, including moderate to high speeds and various temperature ranges.
– Proper lubrication is crucial to ensure optimal performance and longevity of the bearing. CZPT provides recommendations regarding lubrication type and interval in their technical documentation.
It’s important to note that while the provided information is accurate based on general knowledge, for specific and up-to-date information about the CZPT 6005ZZ bearing, it is advisable to consult NSK’s official documentation or contact their technical support team.
| Contact Angle: | 0 |
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| Aligning: | 0 |
| Material: | Bearing Steel |
| Customization: |
Available
| Customized Request |
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| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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|---|---|
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Industrial applications of casing
For rotating and sliding parts, bushings are an important part of the machine. Due to their anti-friction properties and load-carrying capacity, they are an important part of many different industrial processes. Bushings play a vital role in industries such as construction, mining, hydropower, agriculture, transportation, food processing and material handling. To learn more about the benefits of bushings, read on. You’ll be amazed how much they can help your business!
type
When comparing enclosure types, consider the material and how it will be used. Oilite bushings are made of porous material that draws lubricant into the liner and releases it when pressure is applied. These are manufactured using a sintered or powered metal process. Copper and tin are the most commonly used materials for making copper bushings, but there are other types of metal bushings as well.
Another popular type is the plain bearing. This type reduces friction between the rotating shaft and the stationary support element. This type provides support and load bearing while relying on soft metal or plastic for lubrication. Journal bearings are used to support the linear motion of the engine crankshaft in large turbines. They are usually babbitt or hydrodynamic with a liquid film lubricant between the two halves.
The oil-impregnated paper sleeve is made of high-quality kraft insulating paper. These bushings contain two layers of capacitor grading, with the innermost layer electrically connected to the mounting flange. These are mature processes and are widely used in different voltage levels. CZPT Electric (Group) Co., Ltd. provides UHV DC and AC oil-impregnated paper wall bushings for environmental control rooms.
Electrical bushings are used to transmit electricity. These can be transformers, circuit breakers, shunt reactors and power capacitors. The bushing can be built into the bushing or through the bushing. The conductors must be able to carry the rated current without overheating the adjacent insulation. A typical bushing design has a conductor made of copper or aluminum with insulation on all other sides. If the bushing is used in a circuit, the insulation needs to be high enough to prevent any leakage paths.
Voltage and current ratings of electrical bushings. Solid type electrical bushings typically have a center conductor and a porcelain or epoxy insulator. These bushings are used in small distribution transformers and large generator step-up transformers. Their test voltage is typically around 70 kV. Subsequent applications of this bushing may require a lower halfway release limit. However, this is a common type for many other applications.
application
Various industrial applications involve the use of casing. It is an excellent mechanical and chemical material with a wide range of properties. These compounds are also packaged according to national and international standards. Therefore, bushings are used in many different types of machines and equipment. This article will focus on the main industrial applications of casing. This article will also explain what a casing is and what it can do. For more information, click here. Casing application
Among other uses, bushing assemblies are used in aircraft and machinery. For example, a fuel tank of an aircraft may include baffle isolator 40 . The bushing assembly 16 serves as an interface to the fuel tank, allowing electrical current to flow. It can also be used to isolate one component from another. In some cases, bushing assemblies are used to provide a tight fit and reduce electrical resistance, which is important in circuits.
The benefits of casing go beyond reducing energy transmission. They reduce lubrication costs. If two metal parts are in direct contact, lubrication is required. Thus, the bushing reduces the need for lubrication. They also allow parts of the car to move freely. For example, rubber bushings may begin to deteriorate due to high internal temperatures or cold weather. Also, oil can affect their performance.
For example, bushing CTs in oil and gas circuit breakers are used as window current transformers. It consists of a toroidal core and secondary windings. The center conductor of the bushing acts as the single-turn primary of the BCT. By tapping the secondary winding, the ratio between primary and secondary can be changed. This information can be found on the asset nameplate.
Among other uses, bushings are used in diagnostic equipment. These components require precise positioning. Fortunately, air sleeves are perfect for this purpose. Their frictionless operation eliminates the possibility of misalignment. In addition, products based on porous media help minimize noise. A casing manufacturer can advise you on the best product for your equipment. Therefore, if you are looking for replacement bushings for your existing equipment, please feel free to contact Daikin.
Material
Dry ferrule cores were selected for study and examined under an Olympus polarizing microscope (BX51-P). Core slices showing layers of aluminum foil with a distance of approximately 2 cm between adjacent capacitor screens. The aluminum foil surface has a multi-layered structure with undulations due to shrinkage and crepe. Differences between the two types of foils are also revealed.
A typical metal bushing material consists of a high-strength metal backing and a solid lubricant. These materials have higher load-carrying capacity and low friction during operation. Additionally, they are precision machined to tight tolerances. They also offer better thermal conductivity and better fatigue resistance. The accuracy of the metal bushing is improved due to the re-machining process that takes place after the bearing is assembled. Additionally, metal bushing materials are more resistant to wear than plastic bushing materials.
Plastic bushings are relatively inexpensive and readily available off the shelf. Also, the price of custom plastic bushings is relatively low. However, they are not recommended for heavy duty applications. Plastics degrade under high loads and can damage mating parts. Also, if the plastic bushings are not manufactured accurately, they can become misaligned. These are just some of the reasons for choosing metal bushings over plastic.
A mechanically bonded bushing 40 is placed over the stabilizer bar and compressed into the outer sleeve/bracket assembly. The outer metal member includes slotted holes that compensate for the tolerance stacking between the first and second bushing assemblies. Pre-assembly allows the assembly plant to receive a complete assembly ready for vehicle assembly, rather than sub-assembly at the vehicle manufacturing plant.
cost
Control arm bushings are a major component of modern vehicle suspension systems. Damaged bushings can negatively affect the handling and performance of your car. Replacing bushings on a car can cost $200 to $500. While that’s pretty cheap for a handful of control bushings, replacing the entire suspension system could set you back over $1,200. Thankfully, if you want to repair or replace the bushing yourself, you can do it yourself for a fraction of the cost.
If you decide to replace the control arm bushing yourself, it’s best to shop around for the best price. Many auto parts stores offer cheaper bushings that you don’t have to spend a fortune on. Even if you don’t drive for years, rubber can degrade and create cracks in the material. These cracks can be as deep as three-eighths of an inch. This makes it dangerous to drive a car with damaged control arm bushings.
Hiring a mechanic might be a good idea if you don’t like doing the work yourself. You can save money and time by repairing the control arm yourself, but you may have to hire a mechanic to do the job. Replacing the front sway bar bushing alone can cost between $450 and $900. While these components are relatively inexpensive, you can replace them for a better-handling car.
In some cases, sizing the bushings is a more economical option, but if you want to replace your entire suspension system, it’s better to buy a brand new lower limit. You can even save labor by buying a replacement part fork with a good lower portion. In addition to improving your car’s handling and ride, new bushings will add to your car’s overall value. If you are not sure which parts you need, ask your mechanic for a quote.
While the cost of replacing control arm bushings is relatively low, it’s a good idea to compare quotes from multiple mechanics. By getting multiple quotes for the same repair, you can save as much as $50 to $100 on the total cost of your car. In addition to labor costs, parts and labor can vary, so shop around to find the mechanic best suited for your car. There’s no reason to settle for sub-par service when you can save $50 or more!


editor by CX 2023-10-18
China Good quality 51326m 8326m Bearing Steel High Quality Durable Thrust Ball Bearing wholesaler
Product Description
| Product Name | Ball bearing Xihu (West Lake) Dis.r bearing Piliow bilock bearing Needle roller bearing Thrust ball bearing |
| Brand Name | KSA |
| Material | Gcr15 |
| Precision Grade | P0,P6,P5 |
| Certification | ISO 9001 |
| Packeage | Box /Carton/Wooden Box/Plastic Tube or Per buyers requirement |
| MOQ | Depending On Moedl |
| Serice | OEM |
| Sample | Available |
| Payment | TT or L/C or Western Union |
| Port | HangZhou |
FAQ
SAMPLES
1.Samples quantity: 1-10 pcs are available.
2.Free samples: It depends on the model NO., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost.
3.It’s better to start your order with Trade Assurance to get full protection for your samples order.
CUSTOMIZED
The customized LOGO or drawing is acceptable for us.
MOQ
1.MOQ: 10 pcs mix different standard bearings.
2.MOQ: 10 pcs customized your brand bearings.
OEM POLICY
1.We can printing your brand (logo,artwork)on the bearings or laser engraving your brand on the bearings.
2.We can custom your packaging according to your design
3.All copyright own by clients and we promised don’t disclose any info.
SUPPORT
Please visit our bearings website, we strongly encourage that you can communicate with us through email, thanks!
|
Shipping Cost:
Estimated freight per unit. |
To be negotiated |
|---|
| Aligning: | Non-Aligning Bearing |
|---|---|
| Separated: | Separated |
| Rows Number: | Single |
| Samples: |
US$ 4.18/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|

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
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.
bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.
In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.


editor by CX 2023-08-29
China wholesaler Bearings Roller Ball Bearing Heavy Duty Insert Bearings Pillow Blcok Bearings with Chrome Steel Gcr15 UCP214 drive shaft bearing
Product Description
Bearings Roller ball bearing Heavy duty Insert Bearings Pillow Blcok Bearings with chrome steel Gcr15 UCP214
Parameters:
| Product Name | Pillow Block Bearing |
| Material | Chrome Steel, GCR15,Cast Iron,Stainless Steel |
| Type | UC,UK,SA,SB,UEL Series Insert bearing, UCF,UCP,UCT,UCFL,UCPA,UCFC,UCFA,UCFB,UCPH Series Insert Bearing With Pillow Block |
| Size | d:3-110mm,D:9-240mm |
| Grade | PO,P6,P5,P4,P2 |
| Shield | ZZ ,2RS, OPEN |
| Used For | Mining, metallurgy, agriculture, chemical industry, textile, printing and dyeing, conveying machinery, etc. |
| Warranty | 1 year |
| Brand | R&Z or OEM |
| Packing | According to the buyer requests for packaging |
Specification:
| Bearing No. | Weight | UCP | UCF | UCT | UCFL | UCPA | UCFA | UCPH |
| KG | ||||||||
| UC201 | 0.16 | UCP201 | UCF201 | UCT201 | UCFL201 | UCPA201 | UCFA201 | UCPH201 |
| UC202 | 0.18 | UCP202 | UCF202 | UCT202 | UCFL202 | UCPA202 | UCFA202 | UCPH202 |
| UC203 | 0.19 | UCP203 | UCF203 | UCT203 | UCFL203 | UCPA203 | UCFA203 | UCPH203 |
| UC204 | 0.21 | UCP204 | UCF204 | UCT204 | UCFL204 | UCPA204 | UCFA204 | UCPH204 |
| UC205 | 0.29 | UCP205 | UCF205 | UCT205 | UCFL205 | UCPA205 | UCFA205 | UCPH205 |
| UC206 | 0.31 | UCP206 | UCF206 | UCT206 | UCFL206 | UCPA206 | UCFA206 | UCPH206 |
| UC207 | 0.49 | UCP207 | UCF207 | UCT207 | UCFL207 | UCPA207 | UCFA207 | UCPH207 |
| UC208 | 0.63 | UCP208 | UCF208 | UCT208 | UCFL208 | UCPA208 | UCFA208 | UCPH208 |
| UC209 | 0.68 | UCP209 | UCF209 | UCT209 | UCFL209 | UCPA209 | UCFA209 | UCPH209 |
| UC210 | 0.79 | UCP210 | UCF210 | UCT210 | UCFL210 | UCPA210 | UCFA210 | UCPH210 |
| UC211 | 1.04 | UCP211 | UCF211 | UCT211 | UCFL211 | UCPA211 | UCFA211 | UCPH211 |
| UC212 | 1.47 | UCP212 | UCF212 | UCT212 | UCFL212 | UCPA212 | UCFA212 | UCPH212 |
| UC213 | 1.73 | UCP213 | UCF213 | UCT213 | UCFL213 | UCPA213 | UCFA213 | UCPH213 |
| UC214 | 2.08 | UCP214 | UCF214 | UCT214 | UCFL214 | UCPA214 | UCFA214 | UCPH214 |
| UC215 | 2.25 | UCP215 | UCF215 | UCT215 | UCFL215 | UCPA215 | UCFA215 | UCPH215 |
| UC216 | 2.86 | UCP216 | UCF216 | UCT216 | UCFL216 | UCPA216 | UCFA216 | UCPH216 |
| UC217 | 3.42 | UCP217 | UCF217 | UCT217 | UCFL217 | UCPA217 | UCFA217 | UCPH217 |
| UC218 | 4.4 | UCP218 | UCF218 | UCT218 | UCFL218 | UCPA218 | UCFA218 | UCPH218 |
| Bearing No. | Weight | UCP | UCF | UCT | UCFL | UCPA | UCFC | UCPH |
| kg | ||||||||
| UC 305 | 0.45 | UCP305 | UCF305 | UCT305 | UCFL305 | UCPA305 | UCFC305 | UCPH305 |
| UC 306 | 0.57 | UCP306 | UCF306 | UCT306 | UCFL306 | UCPA306 | UCFC306 | UCPH306 |
| UC 307 | 0.72 | UCP307 | UCF307 | UCT307 | UCFL307 | UCPA307 | UCFC307 | UCPH307 |
| UC 308 | 1.00 | UCP308 | UCF308 | UCT308 | UCFL308 | UCPA308 | UCFC308 | UCPH308 |
| UC 309 | 1.30 | UCP309 | UCF309 | UCT309 | UCFL309 | UCPA309 | UCFC309 | UCPH309 |
| UC 310 | 1.67 | UCP310 | UCF310 | UCT310 | UCFL310 | UCPA310 | UCFC310 | UCPH310 |
| UC 311 | 2.10 | UCP311 | UCF311 | UCT311 | UCFL311 | UCPA311 | UCFC311 | UCPH311 |
| UC 312 | 2.62 | UCP312 | UCF312 | UCT312 | UCFL312 | UCPA312 | UCFC312 | UCPH312 |
| UC 313 | 3.19 | UCP313 | UCF313 | UCT313 | UCFL313 | UCPA313 | UCFC313 | UCPH313 |
| UC 314 | 3.88 | UCP314 | UCF314 | UCT314 | UCFL314 | UCPA314 | UCFC314 | UCPH314 |
| UC 315 | 4.68 | UCP315 | UCF315 | UCT315 | UCFL315 | UCPA315 | UCFC315 | UCPH315 |
| UC 316 | 5.50 | UCP316 | UCF316 | UCT316 | UCFL316 | UCPA316 | UCFC316 | UCPH316 |
| UC 317 | 6.67 | UCP317 | UCF317 | UCT317 | UCFL317 | UCPA317 | UCFC317 | UCPH317 |
| UC 318 | 7.50 | UCP318 | UCF318 | UCT318 | UCFL318 | UCPA318 | UCFC318 | UCPH318 |
| UC 319 | 8.80 | UCP319 | UCF319 | UCT319 | UCFL319 | UCPA319 | UCFC319 | UCPH319 |
| UC 320 | 10.94 | UCP320 | UCF320 | UCT320 | UCFL320 | UCPA320 | UCFC320 | UCPH320 |
| UC 322 | 14.50 | UCP322 | UCF322 | UCT322 | UCFL322 | UCPA322 | UCFC322 | UCPH322 |
| UC 324 | 18.75 | UCP324 | UCF324 | UCT324 | UCFL324 | UCPA324 | UCFC324 | UCPH324 |
Pillow block bearing description:
Other hot sale products
Application
Mining, metallurgy, agriculture, chemical industry, textile, printing and dyeing, conveying machinery, etc.
Our package
* Industrial package+outer carton+pallets
* single box+outer carton+pallets
* Tube package+middle box+outer carton+pallets
* According to your requirements
FAQ:
SAMPLES
1.Samples quantity: 1-10 pcs are available.
2.Free samples: It depends on the model NO., material and quantity. Some of the bearings samples need client to pay
samples charge and shipping cost.
CUSTOMIZED
The customized LOGO or drawing is acceptable for us.
MOQ
1.MOQ: 10 pcs mix different standard bearings.
2.MOQ: 2000 pcs customized your brand bearings.
OEM POLICY
1.We can printing our brand (logo,artwork) on the shield or make your own brand on the shield.
2.We can custom your packaging according to your design
|
Shipping Cost:
Estimated freight per unit. |
To be negotiated |
|---|
| Aligning: | Non-Aligning Bearing |
|---|---|
| Separated: | Separated |
| Feature: | Low Temperature, Corrosion Resistant, High Speed |
| Samples: |
US$ 0.01/Piece
1 Piece(Min.Order) | Can you Provide Examples of Industries where Ball Bearings are Crucial Components?Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
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.
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.
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.
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.
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.
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.
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.
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
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. Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|

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 eff
What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?
Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:
- Design and Geometry:
Deep Groove Ball Bearings:
Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.
Angular Contact Ball Bearings:
Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.
- Load Carrying Capacity:
Deep Groove Ball Bearings:
Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.
Angular Contact Ball Bearings:
Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.
- Contact Angle:
Deep Groove Ball Bearings:
Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.
Angular Contact Ball Bearings:
Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.
- Applications:
Deep Groove Ball Bearings:
Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.
Angular Contact Ball Bearings:
Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.
- Limitations:
Deep Groove Ball Bearings:
Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.
Angular Contact Ball Bearings:
Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.
In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.
icient movement and load distribution.
- Cage or Retainer:
The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.
- Seals and Shields:
Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.
- Lubricant:
Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.
- Flanges and Snap Rings:
In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.
- Raceways:
Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.
- Anti-Friction Shield:
In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.
These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.


editor by CX 2023-08-14
China High Quality UCF204 Pillow block Bearing SUCF204 420 Stainless steel Pillow block Bearing deep groove ball bearing
Sort: Pillow Block
Applicable Industries: Lodges, Garment Stores, Developing Material Retailers, Manufacturing Plant, Machinery Fix Outlets, Food & Beverage Factory, Farms, Restaurant, Residence Use, 6v 12v micro dc equipment motor with reduction gearbox high torque reduced rpm 8rpm 10rpm 60rpm 500rpm 1000rpm for vending machinelock Retail, Foodstuff Shop, Printing Outlets, Design works , Strength & Mining, Foodstuff & Beverage Retailers, Other, Marketing Business
Design Number: UCF204(420 Stainless metal)
Precision Rating: P0
Product name: Pillow block bearing
Lubrication: Grease
Bodyweight: .492KG
Colour: Organic
Certificate: ISO9001:2008
Seal: Steel Sealed
Cage: Metal Cage.copper Cage.nylon Cage
MOQ: 1pcs
Sample: Obtainable
Material: SUS420+SUS202
Packaging Specifics: Large High quality UCF204 Pillow block Bearing SUCF204 420 Stainless steel Pillow block Bearingstandard packing:Inner PE polybag and Outer export carton(about 15kgs each cartonsize:32.5X17.5X15.5cm)As the clients’ prerequisite
Pillow block Bearing SUCF204 SUS420 Stainless metal Material Large Quality Bearing Features of SUCF204 bearing* Light weight with reduced density -> decrease in centrifugal load.* Exceptional corrosion resistance.* Powerful at high temperature* Stable in substances. (Acid & DC motor 12v FK-280 high velocity 1571RPM micro motors for ATM, vending machine, multifunction printer Alkali)* Non-executed* Semi-everlasting life* Non-greased and self-lubricatingBearing Widely utilized in adhering to industries: chemical, semiconductor, valve & pump, foodstuff, digital, medical, vacuum, refining, 50Nm substantial torque nema fifty two action by stage dc stepper motor insulation, and many others.
| Bearing Design | SUCF204 |
| Bolt measurement | M10 |
| Weight | 0.56KG |
| Width | 20mm |
| Material | 420 Stainless Steel |
| Lubrication | Dry/self-lubricating |
The benefits of rubber bushings and how they work
If you have experienced increased vibration while driving, you know the importance of replacing the control arm bushings. The resulting metal-to-metal contact can cause annoying driving problems and be a threat to your safety. Over time, the control arm bushings begin to wear out, a process that can be exacerbated by harsh driving conditions and environmental factors. Additionally, larger tires that are more susceptible to bushing wear are also prone to increased vibration transfer, especially for vehicles with shorter sidewalls. Additionally, these plus-sized tires, which are designed to fit on larger rims, have a higher risk of transmitting vibrations through the bushings.
rubber
Rubber bushings are rubber tubes that are glued into the inner or outer curve of a cylindrical metal part. The rubber is made of polyurethane and is usually prestressed to avoid breaking during installation. In some cases, the material is also elastic, so it can slide. These properties make rubber bushings an integral part of a vehicle’s suspension system. Here are some benefits of rubber bushings and how they work.
Rubber bushings are used to isolate and reduce vibration caused by the movement of the two pieces of equipment. They are usually placed between two pieces of machinery, such as gears or balls. By preventing vibrations, rubber bushings improve machine function and service life. In addition to improving the overall performance of the machine, the rubber bushing reduces noise and protects the operator from injury. The rubber on the shock absorber also acts as a vibration isolator. It suppresses the energy produced when the two parts of the machine interact. They allow a small amount of movement but minimize vibration.
Both rubber and polyurethane bushings have their advantages and disadvantages. The former is the cheapest, but not as durable as polyurethane. Compared to polyurethane, rubber bushings are a better choice for daily commutes, especially long commutes. Polyurethane bushings provide better steering control and road feel than rubber, but can be more expensive than the former. So how do you choose between polyurethane and rubber bushings?
Polyurethane
Unlike rubber, polyurethane bushings resist high stress environments and normal cycling. This makes them an excellent choice for performance builds. However, there are some disadvantages to using polyurethane bushings. Read on to learn about the advantages and disadvantages of polyurethane bushings in suspension applications. Also, see if a polyurethane bushing is suitable for your vehicle.
Choosing the right bushing for your needs depends entirely on your budget and application. Softer bushings have the lowest performance but may have the lowest NVH. Polyurethane bushings, on the other hand, may be more articulated, but less articulated. Depending on your needs, you can choose a combination of features and tradeoffs. While these are good options for everyday use, for racing and hardcore handling applications, a softer option may be a better choice.
The initial hardness of the polyurethane bushing is higher than that of the rubber bushing. The difference between the two materials is determined by durometer testing. Polyurethane has a higher hardness than rubber because it does not react to load in the same way. The harder the rubber, the less elastic, and the higher the tear. This makes it an excellent choice for bushings in a variety of applications.
hard
Solid bushings replace the standard bushings on the subframe, eliminating axle clutter. New bushings raise the subframe by 0.59″ (15mm), correcting the roll center. Plus, they don’t create cabin noise. So you can install these bushings even when your vehicle is lowered. But you should consider some facts when installing solid casing. Read on to learn more about these casings.
The stiffest bushing material currently available is solid aluminum. This material hardly absorbs vibrations, but it is not recommended for everyday use. Its stiffness makes it ideal for rail vehicles. The aluminum housing is prone to wear and tear and may not be suitable for street use. However, the solid aluminum bushings provide the stiffest feel and chassis feedback. However, if you want the best performance in everyday driving, you should choose a polyurethane bushing. They have lower friction properties and eliminate binding.
Sturdy subframe bushings will provide more driver feedback. Additionally, it will strengthen the rear body, eliminating any movement caused by the subframe. You can see this structural integration on the M3 and M4 models. The benefits of solid subframe bushings are numerous. They will improve rear-end handling without compromising drivability. So if you plan to install a solid subframe bushing, be sure to choose a solid bushing.
Capacitor classification
In the circuit, there is a high electric field on both sides of the capacitor grading bushing. This is due to their capacitor cores. The dielectric properties of the primary insulating layer have a great influence on the electric field distribution within the bushing. This article discusses the advantages and disadvantages of capacitor grade bushings. This article discusses the advantages and disadvantages of grading bushings for capacitors in DC power systems.
One disadvantage of capacitor grading bushings is that they are not suitable for higher voltages. Capacitor grading bushings are prone to serious heating problems. This may reduce their long-term reliability. The main disadvantage of capacitor grading bushings is that they increase the radial thermal gradient of the main insulation. This can lead to dielectric breakdown.
Capacitor grading bushing adopts cylindrical structure, which can suppress the influence of temperature on electric field distribution. This reduces the coefficient of inhomogeneity of the electric field in the confinement layer. Capacitor grading bushings have a uniform electric field distribution across their primary insulation. Capacitive graded bushings are also more reliable than nonlinear bushings.
Electric field variation is the most important cause of failure. The electrode extension layer can be patterned to control the electric field to avoid flashover or partial discharge of the primary insulating material. This design can be incorporated into capacitor grading bushings to provide better electric fields in high voltage applications. This type of bushing is suitable for a wide range of applications. This article discusses the advantages and disadvantages of capacitor grade bushings.
Metal
When choosing between plastic and metal sleeves, it is important to choose a product that can handle the required load. Plastic bushings tend to deteriorate and often crack under heavy loads, reducing their mechanical strength and service life. Metal bushings, on the other hand, conduct heat more efficiently, preventing any damage to the mating surfaces. Plastic bushings can also be made with lubricating fillers added to a resin matrix.
Plastic bushings have many advantages over metal bushings, including being cheap and versatile. Plastic bushings are now used in many industries because they are inexpensive and quick to install. These plastic products are also self-lubricating and require less maintenance than metals. They are often used in applications where maintenance costs are high or parts are difficult to access. Also, if they are prone to wear and tear, they are easy to replace.
Metal bushings can be made of PTFE, plastic or bronze and are self-lubricating. Graphite plugs are also available for some metal bushings. Their high load capacity and excellent fatigue resistance make them a popular choice for automotive applications. The bi-metallic sintered bronze layer in these products provides excellent load-carrying capacity and good friction properties. The steel backing also helps reduce processing time and avoids the need for additional pre-lubrication.
plastic
A plastic bushing is a small ball of material that is screwed onto a nut or locknut on a mechanical assembly. Plastic bushings are very durable and have a low coefficient of friction, making them a better choice for durable parts. Since they do not require lubrication, they last longer and cost less than their metal counterparts. Unlike metal bushings, plastic bushings also don’t scratch or attract dirt.
One type of acetal sleeve is called SF-2. It is made of metal alloy, cold rolled steel and bronze spherical powder. A small amount of surface plastic penetrated into the voids of the copper spherical powder. Plastic bushings are available in a variety of colors, depending on the intended application. SF-2 is available in black or grey RAL 7040. Its d1 diameter is sufficient for most applications.
Another acetal sleeve is UHMW-PE. This material is used in the production of bearings and in low load applications. This material can withstand pressures from 500 to 800 PSI and is widely available. It is also self-lubricating and readily available. Due to its high resistance to temperature and chemical agents, it is an excellent choice for low-load industrial applications. If you’re in the market for an alternative to nylon, consider acetal.
Positional tolerances in many automotive components can cause misalignment. Misaligned plastic bushings can negatively impact the driver’s experience. For example, the cross tubes used to mount the seat to the frame are made by a stamping process. The result is a misalignment that can increase torque. Also, the plastic bushing is pushed to one side of the shaft. The increased pressure results in higher friction, which ultimately results in a poor driving experience.
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editor by czh 2023-02-18