Product Description
Pillow Block Ball bearing is actually a variant of the ball bearing.
The outer spherical ball bearing is actually a variant of the deep groove ball bearing. Its characteristic is that its outer ring outer diameter surface is a spherical surface, which can be fitted into the corresponding concave spherical surface of the bearing seat to play the role of centering. The outer spherical bearing is mainly used to bear the combined radial and axial load based on the radial load, and it is generally not suitable to bear the axial load alone.
Product Description
Insert ball bearing details
Products are widely used in:
Paper make machinery, reduction device, railway vehicle axle, rolling mill roll, crusher, vibrating screen,printing machinery,woodworking machinery,agriculture machinery, transportation systems,construction machinery and other industries.
| Product Name | Pillow block ball bearing |
| Precision Rating | P6, P0, P5, P4, P2 |
| Material | Bearing Steel (GCr15) /Ceramics /Carbon steel/Stainless steel |
| Clearance | C0 C1 C2 C3 C4 C5 |
| Seal | ZZ, 2RS |
| Features | High Precision, High Speed, Long Life, High Reliability, Low Noise, Reduce Friction |
| Certification | ISO 9001: 2008 |
| Packing | 1. Neutral Packing Bearing 2. Industrial Packing 3. Commercial Packing Bearing 4. Customize |
| Delivery Time | 15-20 Days After The Order is Confirmed |
| Shipment | 1. By Sea 2. By Air 3. By Express |
UC200 series insert ball bearing
| Bearing type |
Dimensions(mm) |
Weight(KG) | basic load capacity(KN) | Limt speed(r/min) | ||||||||
| d | D | B | C | S | G | H | ds | dynamic | static | |||
| UC201 | 12 | 40 | 27.4 | 14 | 11.5 | 4.5 | 4 | M*0.75 | 0.12 | 7.36 | 4.48 | 4000 |
| UC202 | 15 | 40 | 27.4 | 14 | 11.5 | 4.5 | 4 | M*0.75 | 0.11 | 7.36 | 4.48 | 4000 |
| UC203 | 17 | 40 | 27.4 | 14 | 11.5 | 4.5 | 4 | M*0.75 | 0.1 | 7.36 | 4.48 | 4000 |
| UC204 | 20 | 47 | 31 | 17 | 12.7 | 4.7 | 4.5 | M6*1.0 | 0.16 | 9.88 | 6.20 | 4000 |
| UC205 | 25 | 52 | 34.1 | 17 | 14.3 | 5.5 | 4.7 | M6*1.0 | 0.19 | 10.78 | 6.98 | 3400 |
| UC206 | 30 | 62 | 38.1 | 19 | 15.9 | 6 | 4.5 | M6*1.0 | 0.31 | 14.97 | 10.04 | 2800 |
| UC207 | 35 | 72 | 42.9 | 20 | 17.5 | 6.5 | 5.1 | M8*1.0 | 0.48 | 19.75 | 13.67 | 2400 |
| UC208 | 40 | 80 | 49.2 | 21 | 19 | 8 | 5.8 | M8*1.0 | 0.62 | 22.71 | 15.94 | 2200 |
| UC209 | 45 | 85 | 49.2 | 22 | 19 | 8 | 6.2 | M8*1.0 | 0.67 | 24.36 | 17.71 | 1900 |
| UC210 | 50 | 90 | 51.6 | 23 | 19 | 9 | 6.5 | M10*1.0 | 0.78 | 26.98 | 19.84 | 1800 |
| UC211 | 55 | 100 | 55.6 | 25 | 22.2 | 9 | 7.3 | M10*1.0 | 1.03 | 33.37 | 25.11 | 1600 |
| UC212 | 60 | 110 | 65.1 | 27 | 25.4 | 11 | 7.7 | M10*1.0 | 1.45 | 36.74 | 27.97 | 1500 |
| UC213 | 65 | 120 | 65.1 | 28 | 25.4 | 12 | 8.3 | M10*1.0 | 1.71 | 44.01 | 34.18 | 1400 |
| UC214 | 70 | 125 | 74.6 | 30 | 30.2 | 12 | 8.7 | M12*1.25 | 2.06 | 46.79 | 37.59 | 1300 |
| UC215 | 75 | 130 | 77.8 | 30 | 33.3 | 12 | 9.2 | M12*1.25 | 2.22 | 50.85 | 41.26 | 1200 |
| UC216 | 80 | 140 | 82.6 | 33 | 33.3 | 14 | 9.6 | M12*1.25 | 2.8 | 55.04 | 45.09 | 1100 |
| UC217 | 85 | 150 | 85.7 | 36 | 34.1 | 14 | 10.5 | M12*1.25 | 3.48 | 64.01 | 53.28 | 1000 |
| UC218 | 90 | 160 | 96 | 37 | 39.7 | 14 | 11.1 | M12*1.25 | 4.3 | 73.83 | 60.76 | 950 |
UC300 series insert bearing
| Bearing type | Dimensions(mm) | Weight(KG) | basic load capacity(KN) | Limt speed(r/min) | ||||||||
| d | D | B | C | S | G | H | ds | dynamic | static | |||
| UC305 | 25 | 62 | 38 | 21 | 15 | 6 | 6.1 | M6*1 | 0.35 | 17.22 | 11.39 | 2800 |
| UC306 | 30 | 72 | 43 | 23 | 17 | 6 | 6.7 | M8*1 | 0.56 | 20.77 | 14.17 | 2600 |
| UC307 | 35 | 80 | 48 | 25 | 19 | 8 | 7.4 | M8*1 | 0.71 | 25.66 | 17.92 | 2200 |
| UC308 | 40 | 90 | 52 | 27 | 22 | 10 | 8.2 | M10*1 | 0.96 | 31.35 | 22.38 | 2000 |
| UC309 | 45 | 100 | 57 | 30 | 22 | 10 | 9 | M10*1 | 1.28 | 40.66 | 30.00 | 1800 |
| UC310 | 50 | 110 | 61 | 32 | 25 | 12 | 10 | M12*1.25 | 1.65 | 47.58 | 35.71 | 1700 |
| UC311 | 55 | 120 | 66 | 34 | 26 | 12 | 10.7 | M12*1.25 | 1.90 | 55.05 | 41.91 | 1400 |
| UC312 | 60 | 130 | 71 | 36 | 30 | 12 | 11.5 | M12*1.25 | 2.60 | 62.88 | 48.60 | 1300 |
| UC313 | 65 | 140 | 75 | 38 | 33 | 12 | 12.2 | M12*1.25 | 3.15 | 72.21 | 56.68 | 1200 |
| UC314 | 70 | 150 | 78 | 40 | 33 | 14 | 13 | M12*1.25 | 3.83 | 80.10 | 63.48 | 1100 |
| UC315 | 75 | 160 | 82 | 42 | 33 | 14 | 13.8 | M14*1.5 | 4.59 | 87.25 | 71.68 | 1000 |
| UC316 | 80 | 170 | 86 | 44 | 34 | 14 | 14.5 | M16*1.5 | 5.30 | 94.57 | 80.35 | 1000 |
| UC317 | 85 | 180 | 96 | 46 | 40 | 16 | 15 | M16*1.5 | 6.58 | 102.25 | 89.52 | 9050 |
| UC318 | 90 | 190 | 96 | 48 | 40 | 16 | 15.9 | M16*1.5 | 7.50 | 110.81 | 100.76 | 900 |
| UC319 | 95 | 200 | 103 | 50 | 41 | 16 | 16.7 | M16*1.5 | 8.70 | 120.51 | 113.75 | 850 |
| UC320 | 100 | 215 | 108 | 54 | 42 | 18 | 18 | M16*1.5 | 10.80 | 133.06 | 131.18 | 800 |
Other Products
We also have all series of deep groove ball bearing.
Deep groove ball bearing
| Bearing type | Dimensions(mm) | Weight(kg) | ||
| Inner diameter | Outer diameter | breadth | ||
| 16001 | 12 | 28 | 7 | 0.019 |
| 16002 | 15 | 32 | 8 | 0.571 |
| 16003 | 17 | 35 | 8 | 0.033 |
| 16004 | 20 | 42 | 8 | 0.048 |
| 16005 | 25 | 47 | 8 | 0.059 |
| 16006 | 30 | 55 | 9 | 0.087 |
| 16007 | 35 | 62 | 99 | 0.107 |
| 16008 | 40 | 68 | 10 | 0.130 |
| 16009 | 45 | 75 | 10 | 0.167 |
| 16571 | 50 | 80 | 11 | 0.175 |
| 16011 | 55 | 90 | 11 | 0.257 |
| 16012 | 60 | 95 | 11 | 0.281 |
| 16013 | 65 | 100 | 13 | 0.300 |
| 16014 | 70 | 110 | 13 | 0.437 |
| 16015 | 75 | 115 | 14 | 0.463 |
| 16016 | 80 | 125 | 14 | 0.621 |
| 16017 | 85 | 130 | 16 | 0.652 |
| 16018 | 90 | 140 | 16 | 0.870 |
| 16019 | 95 | 145 | 16 | 0.904 |
more series of deep groove ball bearing
6300 series deep groove ball bearing
6220 series deep groove ball bearing
Packaging & Shipping
Our packing for deep groove ball bearings / pillow block ball bearing:
* Industrial pakage+outer carton+pallets
* sigle box+outer carton+pallets
* Tube package+middle box+outer carton+pallets
* According to your requirments
Company Profile
Our factory
ABOUT US
BEARING MANUFACTURE
1. 20+ yearsof experience in manufacturing bearing;
2.Annual output value of more than 40 million yuan;
3.Passed the ISO9001 international quality certification system;
4.160 sets imported production equipments;
5.Professional sales team.
The company has more than 160 sets of modern production equipment and complete testing methods. Supported by a strong R&D team and advanced production technology, the company’s product quality has been improved year by year. It is catching up with HangZhou, HangZhou and HangZhou Bearings from the 3 major technology platforms of design, manufacturing and testing.
Exhibition
HangZhou Jinrui Bearing Co., Ltd. not only has customers in many industries in China, but the company’s products are also exported to India, Southeast Asia, the Middle East, Europe and the United States and other countries. It has independent export rights and more than 10 years of foreign trade export experience.
FAQ
SAMPLES of deep groove ball bearing / pillow block ball bearing
1. Samples quantity: 1-10 PCS are available.
2. Free samples: It depends on the Model No., material and quantity. Some of the deep groove ball 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 deep groove ball bearings / pillow block ball bearing.
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.
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| Contact Angle: | 15° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Samples: |
US$ 10/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
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|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|

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.

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.

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 2024-01-30
China Good quality UC Bearing 204/205/210/208/207/212/218/305 Insert Ball Bearing with/Without Housing with Good quality
Product Description
Pillow Block Ball bearing is actually a variant of the ball bearing.
The outer spherical ball bearing is actually a variant of the deep groove ball bearing. Its characteristic is that its outer ring outer diameter surface is a spherical surface, which can be fitted into the corresponding concave spherical surface of the bearing seat to play the role of centering. The outer spherical bearing is mainly used to bear the combined radial and axial load based on the radial load, and it is generally not suitable to bear the axial load alone.
Product Description
Insert ball bearing details
Products are widely used in:
Paper make machinery, reduction device, railway vehicle axle, rolling mill roll, crusher, vibrating screen,printing machinery,woodworking machinery,agriculture machinery, transportation systems,construction machinery and other industries.
| Product Name | Pillow block ball bearing |
| Precision Rating | P6, P0, P5, P4, P2 |
| Material | Bearing Steel (GCr15) /Ceramics /Carbon steel/Stainless steel |
| Clearance | C0 C1 C2 C3 C4 C5 |
| Seal | ZZ, 2RS |
| Features | High Precision, High Speed, Long Life, High Reliability, Low Noise, Reduce Friction |
| Certification | ISO 9001: 2008 |
| Packing | 1. Neutral Packing Bearing 2. Industrial Packing 3. Commercial Packing Bearing 4. Customize |
| Delivery Time | 15-20 Days After The Order is Confirmed |
| Shipment | 1. By Sea 2. By Air 3. By Express |
UC200 series insert ball bearing
| Bearing type |
Dimensions(mm) |
Weight(KG) | basic load capacity(KN) | Limt speed(r/min) | ||||||||
| d | D | B | C | S | G | H | ds | dynamic | static | |||
| UC201 | 12 | 40 | 27.4 | 14 | 11.5 | 4.5 | 4 | M*0.75 | 0.12 | 7.36 | 4.48 | 4000 |
| UC202 | 15 | 40 | 27.4 | 14 | 11.5 | 4.5 | 4 | M*0.75 | 0.11 | 7.36 | 4.48 | 4000 |
| UC203 | 17 | 40 | 27.4 | 14 | 11.5 | 4.5 | 4 | M*0.75 | 0.1 | 7.36 | 4.48 | 4000 |
| UC204 | 20 | 47 | 31 | 17 | 12.7 | 4.7 | 4.5 | M6*1.0 | 0.16 | 9.88 | 6.20 | 4000 |
| UC205 | 25 | 52 | 34.1 | 17 | 14.3 | 5.5 | 4.7 | M6*1.0 | 0.19 | 10.78 | 6.98 | 3400 |
| UC206 | 30 | 62 | 38.1 | 19 | 15.9 | 6 | 4.5 | M6*1.0 | 0.31 | 14.97 | 10.04 | 2800 |
| UC207 | 35 | 72 | 42.9 | 20 | 17.5 | 6.5 | 5.1 | M8*1.0 | 0.48 | 19.75 | 13.67 | 2400 |
| UC208 | 40 | 80 | 49.2 | 21 | 19 | 8 | 5.8 | M8*1.0 | 0.62 | 22.71 | 15.94 | 2200 |
| UC209 | 45 | 85 | 49.2 | 22 | 19 | 8 | 6.2 | M8*1.0 | 0.67 | 24.36 | 17.71 | 1900 |
| UC210 | 50 | 90 | 51.6 | 23 | 19 | 9 | 6.5 | M10*1.0 | 0.78 | 26.98 | 19.84 | 1800 |
| UC211 | 55 | 100 | 55.6 | 25 | 22.2 | 9 | 7.3 | M10*1.0 | 1.03 | 33.37 | 25.11 | 1600 |
| UC212 | 60 | 110 | 65.1 | 27 | 25.4 | 11 | 7.7 | M10*1.0 | 1.45 | 36.74 | 27.97 | 1500 |
| UC213 | 65 | 120 | 65.1 | 28 | 25.4 | 12 | 8.3 | M10*1.0 | 1.71 | 44.01 | 34.18 | 1400 |
| UC214 | 70 | 125 | 74.6 | 30 | 30.2 | 12 | 8.7 | M12*1.25 | 2.06 | 46.79 | 37.59 | 1300 |
| UC215 | 75 | 130 | 77.8 | 30 | 33.3 | 12 | 9.2 | M12*1.25 | 2.22 | 50.85 | 41.26 | 1200 |
| UC216 | 80 | 140 | 82.6 | 33 | 33.3 | 14 | 9.6 | M12*1.25 | 2.8 | 55.04 | 45.09 | 1100 |
| UC217 | 85 | 150 | 85.7 | 36 | 34.1 | 14 | 10.5 | M12*1.25 | 3.48 | 64.01 | 53.28 | 1000 |
| UC218 | 90 | 160 | 96 | 37 | 39.7 | 14 | 11.1 | M12*1.25 | 4.3 | 73.83 | 60.76 | 950 |
UC300 series insert bearing
| Bearing type | Dimensions(mm) | Weight(KG) | basic load capacity(KN) | Limt speed(r/min) | ||||||||
| d | D | B | C | S | G | H | ds | dynamic | static | |||
| UC305 | 25 | 62 | 38 | 21 | 15 | 6 | 6.1 | M6*1 | 0.35 | 17.22 | 11.39 | 2800 |
| UC306 | 30 | 72 | 43 | 23 | 17 | 6 | 6.7 | M8*1 | 0.56 | 20.77 | 14.17 | 2600 |
| UC307 | 35 | 80 | 48 | 25 | 19 | 8 | 7.4 | M8*1 | 0.71 | 25.66 | 17.92 | 2200 |
| UC308 | 40 | 90 | 52 | 27 | 22 | 10 | 8.2 | M10*1 | 0.96 | 31.35 | 22.38 | 2000 |
| UC309 | 45 | 100 | 57 | 30 | 22 | 10 | 9 | M10*1 | 1.28 | 40.66 | 30.00 | 1800 |
| UC310 | 50 | 110 | 61 | 32 | 25 | 12 | 10 | M12*1.25 | 1.65 | 47.58 | 35.71 | 1700 |
| UC311 | 55 | 120 | 66 | 34 | 26 | 12 | 10.7 | M12*1.25 | 1.90 | 55.05 | 41.91 | 1400 |
| UC312 | 60 | 130 | 71 | 36 | 30 | 12 | 11.5 | M12*1.25 | 2.60 | 62.88 | 48.60 | 1300 |
| UC313 | 65 | 140 | 75 | 38 | 33 | 12 | 12.2 | M12*1.25 | 3.15 | 72.21 | 56.68 | 1200 |
| UC314 | 70 | 150 | 78 | 40 | 33 | 14 | 13 | M12*1.25 | 3.83 | 80.10 | 63.48 | 1100 |
| UC315 | 75 | 160 | 82 | 42 | 33 | 14 | 13.8 | M14*1.5 | 4.59 | 87.25 | 71.68 | 1000 |
| UC316 | 80 | 170 | 86 | 44 | 34 | 14 | 14.5 | M16*1.5 | 5.30 | 94.57 | 80.35 | 1000 |
| UC317 | 85 | 180 | 96 | 46 | 40 | 16 | 15 | M16*1.5 | 6.58 | 102.25 | 89.52 | 9050 |
| UC318 | 90 | 190 | 96 | 48 | 40 | 16 | 15.9 | M16*1.5 | 7.50 | 110.81 | 100.76 | 900 |
| UC319 | 95 | 200 | 103 | 50 | 41 | 16 | 16.7 | M16*1.5 | 8.70 | 120.51 | 113.75 | 850 |
| UC320 | 100 | 215 | 108 | 54 | 42 | 18 | 18 | M16*1.5 | 10.80 | 133.06 | 131.18 | 800 |
Other Products
We also have all series of deep groove ball bearing.
Deep groove ball bearing
| Bearing type | Dimensions(mm) | Weight(kg) | ||
| Inner diameter | Outer diameter | breadth | ||
| 16001 | 12 | 28 | 7 | 0.019 |
| 16002 | 15 | 32 | 8 | 0.571 |
| 16003 | 17 | 35 | 8 | 0.033 |
| 16004 | 20 | 42 | 8 | 0.048 |
| 16005 | 25 | 47 | 8 | 0.059 |
| 16006 | 30 | 55 | 9 | 0.087 |
| 16007 | 35 | 62 | 99 | 0.107 |
| 16008 | 40 | 68 | 10 | 0.130 |
| 16009 | 45 | 75 | 10 | 0.167 |
| 16571 | 50 | 80 | 11 | 0.175 |
| 16011 | 55 | 90 | 11 | 0.257 |
| 16012 | 60 | 95 | 11 | 0.281 |
| 16013 | 65 | 100 | 13 | 0.300 |
| 16014 | 70 | 110 | 13 | 0.437 |
| 16015 | 75 | 115 | 14 | 0.463 |
| 16016 | 80 | 125 | 14 | 0.621 |
| 16017 | 85 | 130 | 16 | 0.652 |
| 16018 | 90 | 140 | 16 | 0.870 |
| 16019 | 95 | 145 | 16 | 0.904 |
more series of deep groove ball bearing
6300 series deep groove ball bearing
6220 series deep groove ball bearing
Packaging & Shipping
Our packing for deep groove ball bearings / pillow block ball bearing:
* Industrial pakage+outer carton+pallets
* sigle box+outer carton+pallets
* Tube package+middle box+outer carton+pallets
* According to your requirments
Company Profile
Our factory
ABOUT US
BEARING MANUFACTURE
1. 20+ yearsof experience in manufacturing bearing;
2.Annual output value of more than 40 million yuan;
3.Passed the ISO9001 international quality certification system;
4.160 sets imported production equipments;
5.Professional sales team.
The company has more than 160 sets of modern production equipment and complete testing methods. Supported by a strong R&D team and advanced production technology, the company’s product quality has been improved year by year. It is catching up with HangZhou, HangZhou and HangZhou Bearings from the 3 major technology platforms of design, manufacturing and testing.
Exhibition
HangZhou Jinrui Bearing Co., Ltd. not only has customers in many industries in China, but the company’s products are also exported to India, Southeast Asia, the Middle East, Europe and the United States and other countries. It has independent export rights and more than 10 years of foreign trade export experience.
FAQ
SAMPLES of deep groove ball bearing / pillow block ball bearing
1. Samples quantity: 1-10 PCS are available.
2. Free samples: It depends on the Model No., material and quantity. Some of the deep groove ball 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 deep groove ball bearings / pillow block ball bearing.
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.
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| Contact Angle: | 15° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Samples: |
US$ 10/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Can you Provide Examples of Industries where Ball Bearings are Crucial Components?
Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
- Automotive Industry:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
- Aerospace Industry:
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
- Industrial Machinery:
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
- Medical Equipment:
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
- Robotics and Automation:
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
- Renewable Energy:
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
- Marine and Shipbuilding:
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
- Heavy Equipment and Construction:
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
- Electronics and Consumer Appliances:
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
- Oil and Gas Industry:
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.
These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.

What 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 Primary Benefits of Using Ball Bearings in Machinery and Equipment?
Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:
- Reduced Friction:
One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.
- Efficient Load Support:
Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.
- Smooth Rotation:
Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.
- High-Speed Capability:
Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.
- Reduced Wear and Maintenance:
The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.
- Energy Efficiency:
By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.
- Versatility:
Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.
- Reliability and Longevity:
Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.
- Quiet Operation:
Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.
In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.


editor by CX 2024-01-23
China supplier Ucpe211 Made in China Pillow Block Bearing with Housing Insert Bearing with Hot selling
Product Description
Production process of pillow block bearing:
Cutting the steel pipe—Lathe process—Heat treatment—polishing process—-Grinding process– -Assemble—Product Packing
pillow block bearing(bearing units)
A).Pillow block bearing of UC,UK,HC(NA,UEL).SA,SB,CS,UD,SA,SER200 series;
B). Housings: P,PA,PW.F FL,FT,FLU,FC,C,..etc
C). Pillow Block: UCP, UCF,UCFL,UCT,UCPA,UCFB,UCC,..etc
D). Pressed steel pillow block: sa(sb, sc) PP, PF, PFL..etc
E). Bearing units with end cover.
F). Stainless steel inserts&housings.
Item List
| UC201 | UCP201 | UCF201 | UCFL201 | UCT201 | UCFC201 | UCPA201 |
| UC201-8 | UCP201-8 | UCF201-8 | UCFL201-8 | UCT201-8 | UCFC201-8 | UCPA201-8 |
| UC202 | UCP202 | UCF202 | UCFL202 | UCT202 | UCFC202 | UCPA202 |
| UC202-10 | UCP202-10 | UCF202-10 | UCFL202-10 | UCT202-10 | UCFC202-10 | UCPA202-10 |
| UC203 | UCP203 | UCF203 | UCFL203 | UCT203 | UCFC203 | UCPA203 |
| UC204 | UCP204 | UCF204 | UCFL204 | UCT204 | UCFC204 | UCPA204 |
| UC204-12 | UCP204-12 | UCF204-12 | UCFL204-12 | UCT204-12 | UCFC204-12 | UCPA204-12 |
| UC205 | UCP205 | UCF205 | UCFL205 | UCT205 | UCFC205 | UCPA205 |
| UC205-14 | UCP205-14 | UCF205-14 | UCFL205-14 | UCT205-14 | UCFC205-14 | UCPA205-14 |
| UC205-15 | UCP205-15 | UCF205-15 | UCFL205-15 | UCT205-15 | UCFC205-15 | UCPA205-15 |
| UC205-16 | UCP205-16 | UCF205-16 | UCFL205-16 | UCT205-16 | UCFC205-16 | UCPA205-16 |
| UC206 | UCP206 | UCF206 | UCFL206 | UCT206 | UCFC206 | UCPA206 |
| UC206-18 | UCP206-18 | UCF206-18 | UCFL206-18 | UCT206-18 | UCFC206-18 | UCPA206-18 |
| UC206-19 | UCP206-19 | UCF206-19 | UCFL206-19 | UCT206-19 | UCFC206-19 | UCPA206-19 |
| UC206-20 | UCP206-20 | UCF206-20 | UCFL206-20 | UCT206-20 | UCFC206-20 | UCPA206-20 |
| UC207 | UCP207 | UCF207 | UCFL207 | UCT207 | UCFC207 | UCPA207 |
| UC207-20 | UCP207-20 | UCF207-20 | UCFL207-20 | UCT207-20 | UCFC207-20 | UCPA207-20 |
| UC207-21 | UCP207-21 | UCF207-21 | UCFL207-21 | UCT207-21 | UCFC207-21 | UCPA207-21 |
| UC207-22 | UCP207-22 | UCF207-22 | UCFL207-22 | UCT207-22 | UCFC207-22 | UCPA207-22 |
| UC207-23 | UCP207-23 | UCF207-23 | UCFL207-23 | UCT207-23 | UCFC207-23 | UCPA207-23 |
| UC208 | UCP208 | UCF208 | UCFL208 | UCT208 | UCFC208 | UCPA208 |
| UC208-24 | UCP208-24 | UCF208-24 | UCFL208-24 | UCT208-24 | UCFC208-24 | UCPA208-24 |
| UC209 | UCP209 | UCF209 | UCFL209 | UCT209 | UCFC209 | UCPA209 |
| UC209-26 | UCP209-26 | UCF209-26 | UCFL209-26 | UCT209-26 | UCFC209-26 | UCPA209-26 |
| UC209-27 | UCP209-27 | UCF209-27 | UCFL209-27 | UCT209-27 | UCFC209-27 | UCPA209-27 |
| UC209-28 | UCP209-28 | UCF209-28 | UCFL209-28 | UCT209-28 | UCFC209-28 | UCPA209-28 |
| UC210 | UCP210 | UCF210 | UCFL210 | UCT210 | UCFC210 | UCPA210 |
| UC210-30 | UCP210-30 | UCF210-30 | UCFL210-30 | UCT210-30 | UCFC210-30 | UCPA210-30 |
| UC210-31 | UCP210-31 | UCF210-31 | UCFL210-31 | UCT210-31 | UCFC210-31 | UCPA210-31 |
| UC210-32 | UCP210-32 | UCF210-32 | UCFL210-32 | UCT210-32 | UCFC210-32 | UCPA210-32 |
| UC211 | UCP211 | UCF211 | UCFL211 | UCT211 | UCFC211 | UCPA211 |
| UC211-32 | UCP211-32 | UCF211-32 | UCFL211-32 | UCT211-32 | UCFC211-32 | UCPA211-32 |
| UC211-34 | UCP211-34 | UCF211-34 | UCFL211-34 | UCT211-34 | UCFC211-34 | UCPA211-34 |
| UC211-35 | UCP211-35 | UCF211-35 | UCFL211-35 | UCT211-35 | UCFC211-35 | UCPA211-35 |
| UC212 | UCP212 | UCF212 | UCFL212 | UCT212 | UCFC212 | UCPA212 |
| UC212-36 | UCP212-36 | UCF212-36 | UCFL212-36 | UCT212-36 | UCFC212-36 | UCPA212-36 |
| UC212-38 | UCP212-38 | UCF212-38 | UCFL212-38 | UCT212-38 | UCFC212-38 | UCPA212-38 |
| UC212-39 | UCP212-39 | UCF212-39 | UCFL212-39 | UCT212-39 | UCFC212-39 | UCPA212-39 |
| UC213 | UCP213 | UCF213 | UCFL213 | UCT213 | UCFC213 | |
| UC213-40 | UCP213-40 | UCF213-40 | UCFL213-40 | UCT213-40 | UCFC213-40 | |
| UC214 | UCP214 | UCF214 | UCFL214 | UCT214 | UCFC214 | |
| UC214-44 | UCP214-44 | UCF214-44 | UCFL214-44 | UCT214-44 | UCFC214-44 | |
| UC215 | UCP215 | UCF215 | UCFL215 | UCT215 | UCFC215 | |
| UC215-47 | UCP215-47 | UCF215-47 | UCFL215-47 | UCT215-47 | UCFC215-47 | |
| UC215-48 | UCP215-48 | UCF215-48 | UCFL215-48 | UCT215-48 | UCFC215-48 | |
| UC216 | UCP216 | UCF216 | UCFL216 | UCT216 | UCFC216 | |
| UC217 | UCP217 | UCF217 | UCFL217 | UCT217 | UCFC217 | |
| UC218 | UCP218 | UCF218 | UCFL218 | UCT218 | UCFC218 | |
| UC218-56 | UCP218-56 | UCF218-56 | UCFL218-56 | UCT218-56 | UCFC218-56 | |
| UCP220 | UCF220 | |||||
| UC305 | UCP305 | SA201 | SB201 | UK205 | NA204 | UKP205 |
| UC306 | UCP306 | SA202 | SB202 | UK206 | NA205 | UKP206 |
| UC307 | UCP307 | SA203 | SB203 | UK207 | NA206 | UKP207 |
| UC308 | UCP308 | SA204 | SB204 | UK208 | NA207 | UKP208 |
| UC309 | UCP309 | SA205 | SB205 | UK209 | NA208 | UKP209 |
| UC310 | UCP310 | SA206 | SB206 | UK210 | NA209 | UKP210 |
| UC311 | UCP311 | SA207 | SB207 | UK211 | NA210 | UKP211 |
| UC312 | UCP312 | SA208 | SB208 | UK212 | UKP212 | |
| UC313 | UCP313 | SA209 | SB209 | UK213 | UKP213 | |
| UC314 | UCP314 | SA210 | SB210 | UK215 | UKP215 | |
| UC315 | UCP315 | UK216 | UKP216 | |||
| UC316 | UCP316 | UK217 | UKP217 | |||
| UC317 | UK218 | UKP218 | ||||
| UC318 | ||||||
| UC319 | ||||||
| UC320 |
FAQ:
Q:What the MOQ of your company?
A:MOQ is 1pc.
Q:Could you accept OEM and customize?
A:YES,we can customize for you according to sample or drawing.
Q:Could you supply sample for free?
A:Yes,we can supply sample for free,do you mind to buy her a ticket?
Q:IS you company factory or Trade Company?
A:We have our own factory ;our type is factory +trade.
Q:Could you tell me the material of your bearing?
A:We have chrome steel,and staninless steel,ceramic and plastic material.
Q:Could you offer door to door service?
A:Yes,by express(GHL,FEDEX,TNT,EMS,4-10 days to your city.)
Q:Coould you tell me the payment term of your company can accept?
A:T/T.Western Union,PayPal
Q:Could you tell me the delivery time of your doods?
A:If stock,in 7days or base on your order quantity.
| Aligning: | Non-Aligning Bearing |
|---|---|
| Separated: | Separated |
| Feature: | Vacuum, Magnetically, Low Temperature, Corrosion Resistant, High Temperature, High Speed |
| Rows Number: | Single |
| Raceway: | Deep Groove Raceway |
| Material: | Cast Iron |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

The Benefits of Using Self-Lubricating Bushings for Your Next Pivot
Like any other auto part, control arm bushings wear out over time. This results in an increase in irritating vibrations that can be dangerous in severe cases. The bushings in the control arms also wear out due to the stress that extreme driving conditions put on the control arms. Additionally, environmental factors and oversized tires tend to transmit more vibration through the bushing than conventionally sized tires. Whatever the cause, bushings can be the source of many problems.
wear and cracking
The main cause of dry valve side bushing cracking is a mismatch in thermal expansion of the core and flange. This situation can seriously compromise the safety of the power system. To improve the safety of dry valve side bushings, the crack development of epoxy impregnated paper under various conditions was investigated. A coupled thermomechanical simulation model was also used to study the cracking process.
The first step in diagnosing the cause of bushing wear and cracking is a visual inspection. The bushing of the lower control arm is fixed to the frame by a bracket. If there are any visible cracks, it’s time to replace the bushing. However, there is no need to replace the entire suspension. In some cases, worn bushings can cause a variety of problems, including body lean, excessive tire wear and cornering noise.
Maintenance free
If you’re considering maintenance-free bushings for your next pivot, you’ll be wondering what to look for in these components. The bushing protects the housing from corrosion and keeps the bushing under pressure. However, many users are not familiar with what these components can do for their applications. In this article, we’ll look at several examples of truly maintenance-free pivots and discuss their requirements.
One of the most popular types of maintenance-free bushings are flanged and parallel. Unlike worm gear bushings, these self-lubricating metal bearings are ideal for a variety of applications and conditions. They reduce failure and downtime costs while providing the long-term lubrication required by other types of bushings. Since these sleeves are made of lead-free material, they are RoHS compliant, which means they are environmentally friendly.Another common maintenance-free bushing is plastic. This material is easier to find off-the-shelf and relatively inexpensive to produce. However, it is not suitable for high load applications as it will crack under heavy loads and damage mating parts. Plastics can also deviate if the manufacturing process is imprecise. Plastic bushings can also crack when subjected to high loads.
self-lubricating
When using a self-lubricating bushing, there is no need to apply grease to the bushing. Oily liquids tend to attract dirt and grit, which can wear away the graphite prematurely. By eliminating the need for regular lubrication, you will reduce equipment maintenance costs. This article will explore the benefits of self-lubricating bushings. You will love your kindness.
Self-lubricating bushings have a strong base material to withstand radial bearing pressure while providing shaft support at the contact surfaces. The material also has good fatigue properties and low friction motion. Self-lubricating bushings can be used in environments with high temperatures and aggressive media. These products can also withstand enormous pressure. When using self-lubricating bushings, it is important to select the correct material.
The main advantage of using self-lubricating bushings is ease of maintenance. They don’t require oil to run and are cheaper to buy. Their main benefit is that they can significantly reduce your machine running costs. These bearings do not require oiling operations, reducing maintenance costs. These bearings also offer a simplified mechanical design due to their thin walls and high load capacity. In addition, they reduce noise levels while maintaining excellent wear resistance. Plus, their materials are ROHS compliant, which means they don’t require oil.
Hydropower installations are another area where self-lubricating bushings have proven their advantages. They reduce maintenance costs, extend equipment life, and improve environmental benefits. For example, the Newfoundland Power Company uses self-lubricating bushings in the gates of its hydroelectric power plants. These self-lubricating bushings eliminate grease from entering waterways and tailraces. As a result, power companies are able to reduce maintenance and costs.
compared to cartilage in the human body
What is the difference between tendon, bone and cartilage? Human cartilage is composed of collagen and elastic fibers. In contrast, fibrocartilage contains more collagen than hyaline cartilage. Both cartilage types are composed of proteoglycans, which have a protein backbone and glycosaminoglycan side chains. These components work together to provide structure and flexibility to the cartilage.
Bone is a combination of living and dead cells embedded in a matrix. The outer hard layer of bone is dense bone, and the inner layer is spongy, containing bone marrow, blood vessels, nerves, etc. Bone contains both organic and inorganic substances, and this process of hardening of the matrix produces bone. On the other hand, cartilage consists of chondrocytes and a matrix composed of collagen and elastin fibers. Compared to bone, cartilage is yellow and contains elastic fibers.
Although bone and cartilage are structurally identical, cartilage is more flexible. It is mainly found in the joints and respiratory system and requires flexibility. Its ingredients include collagen and proteoglycans, which provide compression and abrasion resistance. Furthermore, connective tissue is composed of cells, fibers and matrix.
The basic substance of cartilage is chondroitin sulfate, which is derived from animals. Although cartilage grows more slowly than bone, its microstructure is less organized. There is a fibrous sheath covering the cartilage, called the perichondrium. The molecular composition of the ECM plays an important role in the function of cartilage. The collagen matrix is important for cartilage remodeling and consists of changes in the collagen matrix.
Compared to metal-on-bone contact
Both metal-on-bone contact are known to cause a significant increase in the pressures in a joint. To compare the two, we first calculated the joint contact pressures in each model and compared them. The results of this study support previous research on this subject. The following sections discuss the benefits of both types of contact. They also outline some key differences between the two.


editor by CX 2023-11-08
China manufacturer Ucpg209 Made in China Pillow Block Bearing with Housing Insert Bearing bearing driver
Product Description
Production process of pillow block bearing:
Cutting the steel pipe—Lathe process—Heat treatment—polishing process—-Grinding process– -Assemble—Product Packing
pillow block bearing(bearing units)
A).Pillow block bearing of UC,UK,HC(NA,UEL).SA,SB,CS,UD,SA,SER200 series;
B). Housings: P,PA,PW.F FL,FT,FLU,FC,C,..etc
C). Pillow Block: UCP, UCF,UCFL,UCT,UCPA,UCFB,UCC,..etc
D). Pressed steel pillow block: sa(sb, sc) PP, PF, PFL..etc
E). Bearing units with end cover.
F). Stainless steel inserts&housings.
Item List
| UC201 | UCP201 | UCF201 | UCFL201 | UCT201 | UCFC201 | UCPA201 |
| UC201-8 | UCP201-8 | UCF201-8 | UCFL201-8 | UCT201-8 | UCFC201-8 | UCPA201-8 |
| UC202 | UCP202 | UCF202 | UCFL202 | UCT202 | UCFC202 | UCPA202 |
| UC202-10 | UCP202-10 | UCF202-10 | UCFL202-10 | UCT202-10 | UCFC202-10 | UCPA202-10 |
| UC203 | UCP203 | UCF203 | UCFL203 | UCT203 | UCFC203 | UCPA203 |
| UC204 | UCP204 | UCF204 | UCFL204 | UCT204 | UCFC204 | UCPA204 |
| UC204-12 | UCP204-12 | UCF204-12 | UCFL204-12 | UCT204-12 | UCFC204-12 | UCPA204-12 |
| UC205 | UCP205 | UCF205 | UCFL205 | UCT205 | UCFC205 | UCPA205 |
| UC205-14 | UCP205-14 | UCF205-14 | UCFL205-14 | UCT205-14 | UCFC205-14 | UCPA205-14 |
| UC205-15 | UCP205-15 | UCF205-15 | UCFL205-15 | UCT205-15 | UCFC205-15 | UCPA205-15 |
| UC205-16 | UCP205-16 | UCF205-16 | UCFL205-16 | UCT205-16 | UCFC205-16 | UCPA205-16 |
| UC206 | UCP206 | UCF206 | UCFL206 | UCT206 | UCFC206 | UCPA206 |
| UC206-18 | UCP206-18 | UCF206-18 | UCFL206-18 | UCT206-18 | UCFC206-18 | UCPA206-18 |
| UC206-19 | UCP206-19 | UCF206-19 | UCFL206-19 | UCT206-19 | UCFC206-19 | UCPA206-19 |
| UC206-20 | UCP206-20 | UCF206-20 | UCFL206-20 | UCT206-20 | UCFC206-20 | UCPA206-20 |
| UC207 | UCP207 | UCF207 | UCFL207 | UCT207 | UCFC207 | UCPA207 |
| UC207-20 | UCP207-20 | UCF207-20 | UCFL207-20 | UCT207-20 | UCFC207-20 | UCPA207-20 |
| UC207-21 | UCP207-21 | UCF207-21 | UCFL207-21 | UCT207-21 | UCFC207-21 | UCPA207-21 |
| UC207-22 | UCP207-22 | UCF207-22 | UCFL207-22 | UCT207-22 | UCFC207-22 | UCPA207-22 |
| UC207-23 | UCP207-23 | UCF207-23 | UCFL207-23 | UCT207-23 | UCFC207-23 | UCPA207-23 |
| UC208 | UCP208 | UCF208 | UCFL208 | UCT208 | UCFC208 | UCPA208 |
| UC208-24 | UCP208-24 | UCF208-24 | UCFL208-24 | UCT208-24 | UCFC208-24 | UCPA208-24 |
| UC209 | UCP209 | UCF209 | UCFL209 | UCT209 | UCFC209 | UCPA209 |
| UC209-26 | UCP209-26 | UCF209-26 | UCFL209-26 | UCT209-26 | UCFC209-26 | UCPA209-26 |
| UC209-27 | UCP209-27 | UCF209-27 | UCFL209-27 | UCT209-27 | UCFC209-27 | UCPA209-27 |
| UC209-28 | UCP209-28 | UCF209-28 | UCFL209-28 | UCT209-28 | UCFC209-28 | UCPA209-28 |
| UC210 | UCP210 | UCF210 | UCFL210 | UCT210 | UCFC210 | UCPA210 |
| UC210-30 | UCP210-30 | UCF210-30 | UCFL210-30 | UCT210-30 | UCFC210-30 | UCPA210-30 |
| UC210-31 | UCP210-31 | UCF210-31 | UCFL210-31 | UCT210-31 | UCFC210-31 | UCPA210-31 |
| UC210-32 | UCP210-32 | UCF210-32 | UCFL210-32 | UCT210-32 | UCFC210-32 | UCPA210-32 |
| UC211 | UCP211 | UCF211 | UCFL211 | UCT211 | UCFC211 | UCPA211 |
| UC211-32 | UCP211-32 | UCF211-32 | UCFL211-32 | UCT211-32 | UCFC211-32 | UCPA211-32 |
| UC211-34 | UCP211-34 | UCF211-34 | UCFL211-34 | UCT211-34 | UCFC211-34 | UCPA211-34 |
| UC211-35 | UCP211-35 | UCF211-35 | UCFL211-35 | UCT211-35 | UCFC211-35 | UCPA211-35 |
| UC212 | UCP212 | UCF212 | UCFL212 | UCT212 | UCFC212 | UCPA212 |
| UC212-36 | UCP212-36 | UCF212-36 | UCFL212-36 | UCT212-36 | UCFC212-36 | UCPA212-36 |
| UC212-38 | UCP212-38 | UCF212-38 | UCFL212-38 | UCT212-38 | UCFC212-38 | UCPA212-38 |
| UC212-39 | UCP212-39 | UCF212-39 | UCFL212-39 | UCT212-39 | UCFC212-39 | UCPA212-39 |
| UC213 | UCP213 | UCF213 | UCFL213 | UCT213 | UCFC213 | |
| UC213-40 | UCP213-40 | UCF213-40 | UCFL213-40 | UCT213-40 | UCFC213-40 | |
| UC214 | UCP214 | UCF214 | UCFL214 | UCT214 | UCFC214 | |
| UC214-44 | UCP214-44 | UCF214-44 | UCFL214-44 | UCT214-44 | UCFC214-44 | |
| UC215 | UCP215 | UCF215 | UCFL215 | UCT215 | UCFC215 | |
| UC215-47 | UCP215-47 | UCF215-47 | UCFL215-47 | UCT215-47 | UCFC215-47 | |
| UC215-48 | UCP215-48 | UCF215-48 | UCFL215-48 | UCT215-48 | UCFC215-48 | |
| UC216 | UCP216 | UCF216 | UCFL216 | UCT216 | UCFC216 | |
| UC217 | UCP217 | UCF217 | UCFL217 | UCT217 | UCFC217 | |
| UC218 | UCP218 | UCF218 | UCFL218 | UCT218 | UCFC218 | |
| UC218-56 | UCP218-56 | UCF218-56 | UCFL218-56 | UCT218-56 | UCFC218-56 | |
| UCP220 | UCF220 | |||||
| UC305 | UCP305 | SA201 | SB201 | UK205 | NA204 | UKP205 |
| UC306 | UCP306 | SA202 | SB202 | UK206 | NA205 | UKP206 |
| UC307 | UCP307 | SA203 | SB203 | UK207 | NA206 | UKP207 |
| UC308 | UCP308 | SA204 | SB204 | UK208 | NA207 | UKP208 |
| UC309 | UCP309 | SA205 | SB205 | UK209 | NA208 | UKP209 |
| UC310 | UCP310 | SA206 | SB206 | UK210 | NA209 | UKP210 |
| UC311 | UCP311 | SA207 | SB207 | UK211 | NA210 | UKP211 |
| UC312 | UCP312 | SA208 | SB208 | UK212 | UKP212 | |
| UC313 | UCP313 | SA209 | SB209 | UK213 | UKP213 | |
| UC314 | UCP314 | SA210 | SB210 | UK215 | UKP215 | |
| UC315 | UCP315 | UK216 | UKP216 | |||
| UC316 | UCP316 | UK217 | UKP217 | |||
| UC317 | UK218 | UKP218 | ||||
| UC318 | ||||||
| UC319 | ||||||
| UC320 |
FAQ:
Q:What the MOQ of your company?
A:MOQ is 1pc.
Q:Could you accept OEM and customize?
A:YES,we can customize for you according to sample or drawing.
Q:Could you supply sample for free?
A:Yes,we can supply sample for free,do you mind to buy her a ticket?
Q:IS you company factory or Trade Company?
A:We have our own factory ;our type is factory +trade.
Q:Could you tell me the material of your bearing?
A:We have chrome steel,and staninless steel,ceramic and plastic material.
Q:Could you offer door to door service?
A:Yes,by express(GHL,FEDEX,TNT,EMS,4-10 days to your city.)
Q:Coould you tell me the payment term of your company can accept?
A:T/T.Western Union,PayPal
Q:Could you tell me the delivery time of your doods?
A:If stock,in 7days or base on your order quantity.
| Aligning: | Non-Aligning Bearing |
|---|---|
| Separated: | Separated |
| Feature: | Vacuum, Magnetically, Low Temperature, Corrosion Resistant, High Temperature, High Speed |
| Rows Number: | Single |
| Raceway: | Deep Groove Raceway |
| Material: | Cast Iron |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Understanding the Different Types of Bearings
When you are looking for a bearing, you have many options to choose from. This article will explain the various types, functions, and working principles of different types of bearings. Once you understand the basic components, you can make an informed decision about which one to buy. Here’s an overview of some of the most common types. Learn more about each type below! Read on to learn about the differences between these different types of bearings! Posted in Articles
Functions
Bearings serve as an integral part of a mechanical device. These devices help transfer torque from one part of a structure to another. These mechanisms increase the efficiency of a shaft by increasing its life. However, the functions of bearings depend on the application of the structure. Among other functions, bearings provide support to shafts. Anti-friction bearings come in two types: ball and roller bearings. These components have line and point contact, which is the most common type. Archimedes’s principle states that the force is equal to the weight of the fluid that is being displaced. Bearings can transfer lateral loads to a substructure.
A bearing has two primary functions. The first is to prevent direct metal-to-metal contact. A bearing prevents friction, heat generation, and wear and tear of components. A bearing also reduces energy consumption. Its other purpose is to guide and support a rotating body. In addition to these functions, bearings can also reduce wear and tear on a machine. As a result, they are among the most widely used machines in the world.
Seals are a major component of a bearing. They prevent foreign materials from entering and lubricating the moving parts. The design of seal lips determines their effectiveness. Fuel economy regulations and CO2 emissions regulations are pushing the demand for low-friction bearings. However, high-performance seals do not always provide high-performance. As a result, current estimations of the friction in bearings depend on trial and error methods.
Another important function of bearings is that they transfer the load of a rotating component to its housing. This load can be axial or radial. Bearings also limit movement to predefined directions. Some types of rolling element bearings have balls or cylinders inside. These bearings are less frictional than sliding ones, thus they allow parts to move freely during rotation. These parts can then be used for various applications. So, bearings are an integral part of machines.
Types
The most common type of bearing is a plain bearing. It uses surfaces in rubbing contact to transmit movement from one part to another. These bearings may be discrete or may consist of a hole in a metal sleeve or a planar surface bearing another part. Some plain bearings are flanged, while others are made of a sleeve with a flange at one end. These bearings often give acceptable accuracy and life, but they are expensive and cannot be used in large scale applications.
Radial bearings are used when there is a need for high-speed or corrosive parts. This type of bearing also serves as a support in an intermediate situation. Its two components are called the base and the cover. The base and cover are connected and are arranged parallel to the main axis. This type of bearing is used in steady-state and axial motion applications. The radial bearings are also used when the shafts are long.
Angular contact bearings are another type of bearing. These are easy to install and require minimal maintenance. Their races are displaced along the axis. They are also better at handling axial loads and transferring them to the housing. These types of bearings are commonly used in pumps, automobiles, and high-speed applications. If you are looking for an affordable, reliable bearing, look no further than the angular contact bearing.
Another type of bearing is a self-lubricating bushing. These are lightweight and wear-resistant. Unlike the other types of bearing, they do not require any lubrication or maintenance. In fact, some are completely maintenance-free. But if you’re worried about maintenance, this type of bearing may be a good choice. There are many benefits of using self-lubricating bushings. It is also a good option for applications where your machine is exposed to extreme temperatures.
Working principle

A bearing has two primary functions: support and load transfer. In engineering applications, the bearing tends to push the load in the direction of the shaft. A radial load pushes the bearing downward and a thrust load pushes it sideways. Both types of load transfer are important in a variety of applications. The working principle of each type is described below. Listed below are the main uses for each type of bearing.
A plain bearing uses a PTFE liner on the interface of two moving parts. The PTFE liner acts as a lubricant and may be filtered to alter its friction. The journal bearing uses the motion of the journal to force fluid into the gap between two moving parts. This results in a small amount of play in the bearing. This play is acceptable for most applications. A ball bearing may have a maximum play of 2 mm for a ten-millimeter shaft.
The primary function of a bearing is to assist in rotation and to reduce mechanical friction between the two objects. A bearing may be installed as a separate device or as an integral part of a machine. For more complex applications, bearings are very precise components requiring the highest standards of technology. For this reason, it is important to understand the working principle of bearings. The next time you need to lift or slide a heavy object, consider a bearing.
Ball bearings are a common type of ball bearing and can be found in industrial machinery and automobiles. Their unique structure helps them support less weight. This is because they are comprised of two rings – an inner race and an outer race. The balls themselves have a small area of contact and transfer axial loads in one direction. A cage surrounds the balls and prevents them from colliding. This makes ball bearings a popular choice for many applications.
Sealing system
A bearing’s seals are vital for the operation of rolling and rotating components. These systems enable rotation and linear movement while limiting friction and dispersing stress. Without the proper seals, these components could face catastrophic failure. In addition to protecting the bearing from external forces, seals help retain lubricant inside the system and prevent harmful particles from entering the gap. A seal’s lubrication helps prevent the onset of mechanical damage and prolongs the life of the bearing.
A bearing seal is made up of two parts: the inner sealing element and the outer sealing element. A passageway runs through the bearing assembly to the outer seal element. A hydraulic press or pneumatic jack is recommended for installing the seal. These tools are effective in reducing deformation and improving seal installation quality. When fitting the seal, ensure that the tool does not hit the seal directly. A proper adopter will distribute the load uniformly across the seal.
The seal’s efficiency depends on its gap. A four-inch shaft seal can flow 0.5 standard cubic feet per minute. A seal’s efficiency is highly dependent on the gap size. The gap size is a cube of the flow through the system. A smaller gap size allows high flow and pressure but less leakage. If both surfaces of the seal have similar pressures and flow rates, the seal is efficient. However, a small gap reduces the pressures and reduces wear.
Mechanical seals have numerous advantages, including their ability to protect against contaminants and splashing liquids. Labyrinth seals are the first line of defense against leaks. They operate without friction. Their high level of sealing efficiency helps ensure that the bearing remains operational for long. This type of seal is made from metal plates and is designed for a wide temperature range and misalignment. Its advantages include being easy to install and offering 100% sealing efficiency.
Maintenance

Bearing maintenance is critical to ensuring that your bearings keep operating at their peak performance. Proper maintenance will improve bearing life, reduce downtime and increase productivity while reducing costs. Here is an 8-point checklist to optimize your bearings and make them last longer. To optimize their performance, you should follow these steps regularly. In case a bearing does not last long, you should replace it as soon as possible. Listed below are some tips to ensure proper maintenance.
The first step is to determine how often your bearings require lubrication. Some manufacturers recommend that you lubricate them weekly, but this can do more harm than good. Instead, use ultrasound to measure the level of friction and trend its levels. This way, you will know exactly when to grease your bearings. It’s also important to check how often they should be inspected and calibrated. A professional can provide guidance on proper maintenance.
Next, inspect your bearings for cracks and scratches. You should never install a bearing that has been dropped or scratched. Even a small crack will affect the performance of the bearing and could lead to its premature failure. A proper alignment is essential for the bearing to function properly. Make sure you have the correct tools to perform this task. These tools can help you reduce manual work and promote safe bearing maintenance. You should also ensure that the shaft and housing are clean and undamaged.
Proper maintenance can prolong bearing service life. Proper lubrication, mounting, inspection, basic condition monitoring, and dismounting can extend their life. Proper maintenance extends their lifespan and improves plant productivity. While bearings are essential for machinery, you should make sure you follow the proper safety procedures every time you work with them. These tips will also help prevent accidents and maintain your machine’s efficiency. Once you’ve followed these guidelines, you can safely inspect your bearings and ensure that they’re operating at their optimum capacity.


editor by CX 2023-05-09
China Professional Ucpg209 Made in China Pillow Block Bearing with Housing Insert Bearing drive shaft bearing
Product Description
Production process of pillow block bearing:
Cutting the steel pipe—Lathe process—Heat treatment—polishing process—-Grinding process– -Assemble—Product Packing
pillow block bearing(bearing units)
A).Pillow block bearing of UC,UK,HC(NA,UEL).SA,SB,CS,UD,SA,SER200 series;
B). Housings: P,PA,PW.F FL,FT,FLU,FC,C,..etc
C). Pillow Block: UCP, UCF,UCFL,UCT,UCPA,UCFB,UCC,..etc
D). Pressed steel pillow block: sa(sb, sc) PP, PF, PFL..etc
E). Bearing units with end cover.
F). Stainless steel inserts&housings.
Item List
| UC201 | UCP201 | UCF201 | UCFL201 | UCT201 | UCFC201 | UCPA201 |
| UC201-8 | UCP201-8 | UCF201-8 | UCFL201-8 | UCT201-8 | UCFC201-8 | UCPA201-8 |
| UC202 | UCP202 | UCF202 | UCFL202 | UCT202 | UCFC202 | UCPA202 |
| UC202-10 | UCP202-10 | UCF202-10 | UCFL202-10 | UCT202-10 | UCFC202-10 | UCPA202-10 |
| UC203 | UCP203 | UCF203 | UCFL203 | UCT203 | UCFC203 | UCPA203 |
| UC204 | UCP204 | UCF204 | UCFL204 | UCT204 | UCFC204 | UCPA204 |
| UC204-12 | UCP204-12 | UCF204-12 | UCFL204-12 | UCT204-12 | UCFC204-12 | UCPA204-12 |
| UC205 | UCP205 | UCF205 | UCFL205 | UCT205 | UCFC205 | UCPA205 |
| UC205-14 | UCP205-14 | UCF205-14 | UCFL205-14 | UCT205-14 | UCFC205-14 | UCPA205-14 |
| UC205-15 | UCP205-15 | UCF205-15 | UCFL205-15 | UCT205-15 | UCFC205-15 | UCPA205-15 |
| UC205-16 | UCP205-16 | UCF205-16 | UCFL205-16 | UCT205-16 | UCFC205-16 | UCPA205-16 |
| UC206 | UCP206 | UCF206 | UCFL206 | UCT206 | UCFC206 | UCPA206 |
| UC206-18 | UCP206-18 | UCF206-18 | UCFL206-18 | UCT206-18 | UCFC206-18 | UCPA206-18 |
| UC206-19 | UCP206-19 | UCF206-19 | UCFL206-19 | UCT206-19 | UCFC206-19 | UCPA206-19 |
| UC206-20 | UCP206-20 | UCF206-20 | UCFL206-20 | UCT206-20 | UCFC206-20 | UCPA206-20 |
| UC207 | UCP207 | UCF207 | UCFL207 | UCT207 | UCFC207 | UCPA207 |
| UC207-20 | UCP207-20 | UCF207-20 | UCFL207-20 | UCT207-20 | UCFC207-20 | UCPA207-20 |
| UC207-21 | UCP207-21 | UCF207-21 | UCFL207-21 | UCT207-21 | UCFC207-21 | UCPA207-21 |
| UC207-22 | UCP207-22 | UCF207-22 | UCFL207-22 | UCT207-22 | UCFC207-22 | UCPA207-22 |
| UC207-23 | UCP207-23 | UCF207-23 | UCFL207-23 | UCT207-23 | UCFC207-23 | UCPA207-23 |
| UC208 | UCP208 | UCF208 | UCFL208 | UCT208 | UCFC208 | UCPA208 |
| UC208-24 | UCP208-24 | UCF208-24 | UCFL208-24 | UCT208-24 | UCFC208-24 | UCPA208-24 |
| UC209 | UCP209 | UCF209 | UCFL209 | UCT209 | UCFC209 | UCPA209 |
| UC209-26 | UCP209-26 | UCF209-26 | UCFL209-26 | UCT209-26 | UCFC209-26 | UCPA209-26 |
| UC209-27 | UCP209-27 | UCF209-27 | UCFL209-27 | UCT209-27 | UCFC209-27 | UCPA209-27 |
| UC209-28 | UCP209-28 | UCF209-28 | UCFL209-28 | UCT209-28 | UCFC209-28 | UCPA209-28 |
| UC210 | UCP210 | UCF210 | UCFL210 | UCT210 | UCFC210 | UCPA210 |
| UC210-30 | UCP210-30 | UCF210-30 | UCFL210-30 | UCT210-30 | UCFC210-30 | UCPA210-30 |
| UC210-31 | UCP210-31 | UCF210-31 | UCFL210-31 | UCT210-31 | UCFC210-31 | UCPA210-31 |
| UC210-32 | UCP210-32 | UCF210-32 | UCFL210-32 | UCT210-32 | UCFC210-32 | UCPA210-32 |
| UC211 | UCP211 | UCF211 | UCFL211 | UCT211 | UCFC211 | UCPA211 |
| UC211-32 | UCP211-32 | UCF211-32 | UCFL211-32 | UCT211-32 | UCFC211-32 | UCPA211-32 |
| UC211-34 | UCP211-34 | UCF211-34 | UCFL211-34 | UCT211-34 | UCFC211-34 | UCPA211-34 |
| UC211-35 | UCP211-35 | UCF211-35 | UCFL211-35 | UCT211-35 | UCFC211-35 | UCPA211-35 |
| UC212 | UCP212 | UCF212 | UCFL212 | UCT212 | UCFC212 | UCPA212 |
| UC212-36 | UCP212-36 | UCF212-36 | UCFL212-36 | UCT212-36 | UCFC212-36 | UCPA212-36 |
| UC212-38 | UCP212-38 | UCF212-38 | UCFL212-38 | UCT212-38 | UCFC212-38 | UCPA212-38 |
| UC212-39 | UCP212-39 | UCF212-39 | UCFL212-39 | UCT212-39 | UCFC212-39 | UCPA212-39 |
| UC213 | UCP213 | UCF213 | UCFL213 | UCT213 | UCFC213 | |
| UC213-40 | UCP213-40 | UCF213-40 | UCFL213-40 | UCT213-40 | UCFC213-40 | |
| UC214 | UCP214 | UCF214 | UCFL214 | UCT214 | UCFC214 | |
| UC214-44 | UCP214-44 | UCF214-44 | UCFL214-44 | UCT214-44 | UCFC214-44 | |
| UC215 | UCP215 | UCF215 | UCFL215 | UCT215 | UCFC215 | |
| UC215-47 | UCP215-47 | UCF215-47 | UCFL215-47 | UCT215-47 | UCFC215-47 | |
| UC215-48 | UCP215-48 | UCF215-48 | UCFL215-48 | UCT215-48 | UCFC215-48 | |
| UC216 | UCP216 | UCF216 | UCFL216 | UCT216 | UCFC216 | |
| UC217 | UCP217 | UCF217 | UCFL217 | UCT217 | UCFC217 | |
| UC218 | UCP218 | UCF218 | UCFL218 | UCT218 | UCFC218 | |
| UC218-56 | UCP218-56 | UCF218-56 | UCFL218-56 | UCT218-56 | UCFC218-56 | |
| UCP220 | UCF220 | |||||
| UC305 | UCP305 | SA201 | SB201 | UK205 | NA204 | UKP205 |
| UC306 | UCP306 | SA202 | SB202 | UK206 | NA205 | UKP206 |
| UC307 | UCP307 | SA203 | SB203 | UK207 | NA206 | UKP207 |
| UC308 | UCP308 | SA204 | SB204 | UK208 | NA207 | UKP208 |
| UC309 | UCP309 | SA205 | SB205 | UK209 | NA208 | UKP209 |
| UC310 | UCP310 | SA206 | SB206 | UK210 | NA209 | UKP210 |
| UC311 | UCP311 | SA207 | SB207 | UK211 | NA210 | UKP211 |
| UC312 | UCP312 | SA208 | SB208 | UK212 | UKP212 | |
| UC313 | UCP313 | SA209 | SB209 | UK213 | UKP213 | |
| UC314 | UCP314 | SA210 | SB210 | UK215 | UKP215 | |
| UC315 | UCP315 | UK216 | UKP216 | |||
| UC316 | UCP316 | UK217 | UKP217 | |||
| UC317 | UK218 | UKP218 | ||||
| UC318 | ||||||
| UC319 | ||||||
| UC320 |
FAQ:
Q:What the MOQ of your company?
A:MOQ is 1pc.
Q:Could you accept OEM and customize?
A:YES,we can customize for you according to sample or drawing.
Q:Could you supply sample for free?
A:Yes,we can supply sample for free,do you mind to buy her a ticket?
Q:IS you company factory or Trade Company?
A:We have our own factory ;our type is factory +trade.
Q:Could you tell me the material of your bearing?
A:We have chrome steel,and staninless steel,ceramic and plastic material.
Q:Could you offer door to door service?
A:Yes,by express(GHL,FEDEX,TNT,EMS,4-10 days to your city.)
Q:Coould you tell me the payment term of your company can accept?
A:T/T.Western Union,PayPal
Q:Could you tell me the delivery time of your doods?
A:If stock,in 7days or base on your order quantity.
| Aligning: | Non-Aligning Bearing |
|---|---|
| Separated: | Separated |
| Feature: | Vacuum, Magnetically, Low Temperature, Corrosion Resistant, High Temperature, High Speed |
| Rows Number: | Single |
| Raceway: | Deep Groove Raceway |
| Material: | Cast Iron |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

What is a bushing?
If you’ve ever wondered what an enclosure is, you’ve come to the right place. This article will provide an overview of different types of housings, including air-insulated, oil-impregnated porous bronze, and epoxy-impregnated capacitor cells. After reading this article, you will be better equipped to make an informed choice about the type of bushings your truck needs.
air insulating sleeve
When choosing bushings for your electrical application, you need to look for bushings with long-lasting insulation. In addition to being durable, bushings must have the correct design shape and material to remain effective over time. Porcelain was used in early casing designs and was chosen for indoor and outdoor applications due to its low cost and low linear expansion. Porcelain also requires a lot of metal fittings and flexible seals to remain effective.
Solid bushings have a center conductor and a porcelain or epoxy insulator. They are used in low voltage electrical applications such as small distribution transformers and circuit switches. However, their low radial capacity limits their use in high-voltage applications, so they are limited to circuit switches and other low-voltage equipment. The electrical service duty of the bushing determines the type of insulation required.
Another type of air-insulated bushing is made of conductive metal, which reduces heat transfer. This design enables it to operate over a range of temperature conditions. Additionally, air-insulated bushings are generally more effective than gas-insulated bushings in a range of applications. The main difference between air-insulated bushings and gas-insulated bushings is the insulating material. While gas-insulated bushings are usually made of high-quality materials, high-quality materials are still preferred in some applications.
Elliott # B series insulators are 25 kV class and pressure molded cycloaliphatic epoxy resins. They feature knurled brass inserts and 16 UNC threads. If you choose this type, make sure it matches the exact diameter of your Elliott Class 25 kv air insulated bushing. These insulators also provide overall shielding and require openings to fit inch diameters.
There are two types of air-insulated bushings: air-to-air and oil-to-oil. Oil is a stronger dielectric than air, and air-to-oil bushings are used to connect atmospheric air to oil-filled equipment. They are available for solid and capacitive hierarchies. So, which one is right for you? Just choose the right insulation to make your equipment as efficient as possible.
Oil Impregnated Porous Bronze Bushings
Oil-impregnated porous bronze (PbB) bushings are one of the best options for lubricating metal bearings. Lubrication is maintained even in high temperature applications as oil penetrates into the pores of the bronze. They are also self-lubricating and maintenance-free. Manufactured by CZPT, the Oil Impregnated Bronze Bushing is a powder metal process that is uniformly lubricated by a uniform oil film. This type of bearing is one of the most efficient in terms of precision performance.
One major difference between oil-impregnated bronze bushings and standard cast bronze bushings is their manufacturing process. Oil-impregnated bronze bushings are pressed from powder and then sintered to form a hardened part. This method is very effective for high-volume manufacturing, but it also has its limitations. Oil-impregnated bronze bushings are cheaper and more efficient, but they have mechanical limitations.
The production of oil-impregnated porous bronze bushings is simple. Powder bronze bushings are pressed and vacuum sealed by forcing oil into the pores. The low stress properties of oil-impregnated bronze bushings make them easier to manufacture in high volume. It also does not require additional lubrication. However, oil-impregnated porous bronze bushings have relatively low mechanical strength and are not recommended for applications where high temperatures are present.
Oil Impregnated Porous Bronze is also known as BPPB. Unlike traditional oil-impregnated bronze bushings, BPPB bushings have a high oil retention capacity. This means they will last a long time and you will save a lot of maintenance costs. But be careful. Porous bronze bushings can only last so long without oil.
Oil-impregnated bronze bushings are a good choice if dimensional consistency is important. BP bronze bushings have the same C dimension as solid metal bushings. While the CZPT is a ghost of the past, there are now many powder metal manufacturers producing BP housings. Their C of F values range from 0.04 to 0.08.
Epoxy Impregnated Capacitor Batteries
Epoxy impregnated condenser core sleeves are conductive paper used in air conditioning systems. The paper core is coated with epoxy resin and the insulating shell is silicone rubber. RIP bushings have excellent electrical properties, are fire resistant and are relatively small. However, the process of making these products is not easy and mistakes are common. These defects manifest as cracks or other structural damage in the capacitor cells.
RIF (Resin Impregnated) bushings feature a finely graded design. The capacitor core is made of glass fiber impregnated with epoxy resin. The outer insulation is made of silicone rubber sheds glued directly to the capacitor core. These bushings are designed for small clearances, so no filler material is required.
In order to determine whether the RIP sleeve is void-free and dry, the insulating paper must be impregnated with epoxy resin. The process is similar to making conventional condenser core sleeves, but with greater flexibility and robustness. The main difference between RIP bushings and conventional insulators is the epoxy content.
Capacitor grading bushings are also available. These bushings increase the electric field at the ends of the capacitor core plates. The higher the temperature, the higher the electric field. These properties make resin-impregnated capacitor mandrel sleeves reliable. However, capacitor grade bushings have higher electric fields than nonlinear bushings.
The capacitor core of the present invention is made by winding paper around the winding tube 3 . The paper may contain an intermediate conductive foil. The winding tube is then covered with electrical insulator. Afterwards, the capacitor core 1 will be RIP and electrically connected to the electrical conductor 6 .
To further characterize the performance of RIPs, thermal shock current (TSC) was used to determine their trap parameters. Unmodified epoxy resin and nano-SiO2 modified RIP were tested. The RIP samples were polarized under a 2 kV/mm electric field at 333 K for 10 min and then subcooled to 193 K with liquid nitrogen. TSC curves were obtained at 3 K/min and 383 K.
plastic bushing
Plastic bushings are essential for many industries. They protect wires and other mechanical parts. They come in many shapes and sizes and are often used as adapters when connecting two pipes or tubes of different diameters. They are available in a variety of materials including rubber, steel and various other plastics. Most bushings are cylindrical or conical in shape and made of shock absorbing material. They slide on rods or pipes to provide low friction motion.
Plastic bushings can be made from a variety of materials, including phenolic, polyethylene, and nylon. While phenolic resins have long been the preferred choice for heavy-duty applications, nylon is the most commonly used lining plastic. Nylon has several advantages, including low friction, no lubrication, quiet operation, and low wear. In addition to these advantages, it is easy to form and cast. In order to obtain better mechanical properties, fillers such as molybdenum disulfide can be added to the material. Plus, filled nylon parts resist deformation at temperatures up to 300 degrees Fahrenheit.
Another benefit of plastic bushings is their low cost. Much cheaper than metal, plastic is a versatile material that can be used in a variety of industries. A quick installation and replacement process makes them the first choice for users who need to install new components quickly. Plus, plastic bushings don’t wear out as quickly as metal, which is another benefit. And because the wear rate of plastic bushings is predictable, manufacturers can easily replace them before they start to fail. And they last longer, so you save time and money.
Plastic bushings are widely used in machinery with sliding and rotating shaft components. They have excellent load-carrying capacity and anti-friction properties. They are essential to many industries, including construction, mining, agriculture, hydropower, transportation and food processing. They are easy to install and come in a variety of sizes and shapes. They are very durable and very reliable. They reduce machine wear and are less expensive than bearings.


editor by CX 2023-05-08
China Good Quality UC insert ball bearing UCFL208 UC205 UC208 UC209 UCP204 Pillow Block Bearing Manufacturer With housing bearing example
Variety: Pillow Block, Pillow Block
Relevant Industries: Accommodations, Garment Outlets, Constructing Materials Stores, Producing Plant, Machinery Restore Stores, Meals & Beverage Manufacturing unit, Farms, Cafe, Home Use, Retail, Foods Shop, Printing Retailers, Development works , Power & Mining, Foods & Beverage Shops, Other, Promoting Organization, Mining, Metallurgy, Agriculture, Chemical Market,, Textile, Printing And Dyeing, Conveying Equipment
Product Amount: UCP204 UCP205 UCP206 UCP207 UCP208
Precision Score: P0 P6 P5 P4 P2
Content: Chrome metal
Software: AGRICLUTRAL Equipment
Shipping and delivery Time: Payment Reveived
Model: UC.UCP.UCF.UCT
Support: OEM Custom-made Companies
Certification: ISO9001:2008
Brand: Follow Customer’s Request
Merchandise identify: Pillow Bloock Bearing
Good quality: one hundred% Examined
Packaging Particulars: Packaging Details1. Industrial packaging: 2 plastic bag + one box + carton + plywood pallets 3 in accordance to the clients request
Port: HangZhou ZheJiang ZheJiang HangZhou HangZhou HangZhou
Sizzling sale goods
| Product Identify | Pillow Block Bearing |
| Material | Chrome Steel, GCR15,Forged Iron,Stainless Metal |
| Type | UC,British isles,SA,SB,UEL Sequence Insert bearing, UCF,UCP,UCT, Motor Driver DM542 Nema 23 Stepper Motor Controller Driver for CNC Milling Machine UCFL,UCPA,UCFC,UCFA,UCFB,UCPH Sequence Insert Bearing With Pillow Block |
| Measurement | d:3-110mm,D:9-240mm |
| Quality | PO,P6,P5,P4,P2 |
| Defend | ZZ ,2RS, Open up |
| Used For | Mining, metallurgy, agriculture, chemical sector, textile, printing and dyeing, conveying machinery, etc. |
| Warranty | 1 year |
| Brand | OEM or DFN |
| Packing | According to the purchaser requests for packaging |
| Bearing No. | Weight | UCP | UCF | UCT | UCFL | UCPA |
| KG | ||||||
| UC201 | 0.16 | UCP201 | UCF201 | UCT201 | UCFL201 | UCPA201 |
| UC202 | 0.eighteen | UCP202 | UCF202 | UCT202 | UCFL202 | UCPA202 |
| UC203 | 0.19 | UCP203 | UCF203 | UCT203 | UCFL203 | UCPA203 |
| UC204 | 0.21 | UCP204 | UCF204 | UCT204 | UCFL204 | UCPA204 |
| UC205 | 0.29 | UCP205 | UCF205 | UCT205 | UCFL205 | UCPA205 |
| UC206 | 0.31 | UCP206 | UCF206 | UCT206 | UCFL206 | UCPA206 |
| UC207 | 0.forty nine | UCP207 | UCF207 | UCT207 | UCFL207 | UCPA207 |
| UC208 | 0.sixty three | UCP208 | UCF208 | UCT208 | UCFL208 | UCPA208 |
| UC209 | 0.sixty eight | UCP209 | UCF209 | UCT209 | UCFL209 | UCPA209 |
| UC210 | 0.79 | UCP210 | UCF210 | UCT210 | UCFL210 | UCPA210 |
| UC211 | 1.04 | UCP211 | UCF211 | UCT211 | UCFL211 | UCPA211 |
| UC212 | 1.47 | UCP212 | UCF212 | UCT212 | UCFL212 | UCPA212 |
| UC213 | 1.73 | UCP213 | UCF213 | UCT213 | UCFL213 | UCPA213 |
| UC214 | 2.08 | UCP214 | UCF214 | UCT214 | UCFL214 | UCPA214 |
| UC215 | 2.twenty five | UCP215 | UCF215 | UCT215 | UCFL215 | UCPA215 |
| UC216 | 2.86 | UCP216 | UCF216 | UCT216 | UCFL216 | UCPA216 |
| UC217 | 3.42 | UCP217 | UCF217 | UCT217 | UCFL217 | UCPA217 |
| UC218 | 4.four | UCP218 | UCF218 | UCT218 | UCFL218 | UCPA218 |
| Bearing No. | Weight | UCP | UCF | UCT | UCFL | UCPA |
| kg | ||||||
| UC 305 | 0.forty five | UCP305 | UCF305 | UCT305 | UCFL305 | UCPA305 |
| UC 306 | 0.fifty seven | UCP306 | UCF306 | UCT306 | UCFL306 | UCPA306 |
| UC 307 | 0.72 | UCP307 | UCF307 | UCT307 | UCFL307 | UCPA307 |
| UC 308 | 1.00 | UCP308 | UCF308 | UCT308 | UCFL308 | UCPA308 |
| UC 309 | 1.30 | UCP309 | UCF309 | UCT309 | UCFL309 | UCPA309 |
| UC 310 | 1.sixty seven | UCP310 | UCF310 | UCT310 | UCFL310 | UCPA310 |
| UC 311 | 2.ten | UCP311 | UCF311 | UCT311 | UCFL311 | UCPA311 |
| UC 312 | 2.62 | UCP312 | UCF312 | UCT312 | UCFL312 | UCPA312 |
| UC 313 | 3.19 | UCP313 | UCF313 | UCT313 | UCFL313 | UCPA313 |
| UC 314 | 3.88 | UCP314 | UCF314 | UCT314 | UCFL314 | UCPA314 |
| UC 315 | 4.sixty eight | UCP315 | UCF315 | UCT315 | UCFL315 | UCPA315 |
| UC 316 | 5.fifty | UCP316 | UCF316 | UCT316 | UCFL316 | UCPA316 |
| UC 317 | 6.sixty seven | UCP317 | UCF317 | UCT317 | UCFL317 | UCPA317 |
| UC 318 | 7.50 | UCP318 | UCF318 | UCT318 | UCFL318 | UCPA318 |
| UC 319 | 8.80 | UCP319 | UCF319 | UCT319 | UCFL319 | UCPA319 |
| UC 320 | 10.ninety four | UCP320 | UCF320 | UCT320 | UCFL320 | UCPA320 |
| UC 322 | 14.fifty | UCP322 | UCF322 | UCT322 | UCFL322 | UCPA322 |
| UC 324 | 18.seventy five | UCP324 | UCF324 | UCT324 | UCFL324 | UCPA324 |
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.
v
editor by czh 2023-02-18
China 1688 NTN Bearing20 Deep Groove Ball Bearing Hch Ball Bearings Price Self-Aligning Ball Bearing UC Bearing Bearing Housing Romania Bearing Price with Hot selling
Product Description
Merchandise Description
Deep groove ball bearings are the most extensively used bearing type and are especially adaptable. They have low friction and are optimized for reduced sound and lower vibration which permits large rotational speeds. They accommodate radial and axial masses in the two instructions, are effortless to mount and call for much less routine maintenance than other bearing types.
| Merchandise Identify | deep groove ball bearing |
| Materials | Bearing Steel |
| Bearing Deal | Barreled, bagged, boxed, palletized or as customers’ necessity. |
| Regular | DIN GB ISO JIS |
| Application Region | Mining/metallurgy/agriculture/chemical business/textile/machinery |
| Delivery time | three-ten times is dependent on amount required |
Attributes and Positive aspects:
one. Lower friction and running temperatures, lower sound, and vibration
2. Large managing speeds
3. Higher good quality and functionality capabilities for your application
4. Accommodate radial loads and axial masses in equally instructions
five. Accessible with a selection of greases for most circumstances, like foods good quality grease, large-temperature grease, and Solid Oil
six. Improved dependability and provide prolonged bearing and lubricant provider life
Purposes:
Electric motors and generators
Agriculture
Material dealing with
Industrial transmissions
Meals and beverage
Industrial pumps
Industrial fans
Two and 3 wheelers
Cars and gentle vehicles
| Model | Bruttopris i DKK | ID(d) | OD(D) | Width (B) | Weight |
| 6306-Z | 69729 | 30 | seventy two | 19 | 3700 |
| 6307 | 60583 | 35 | eighty | 21 | 4800 |
| 6307 NR | 63820 | 35 | 866 | 21 | 4800 |
| 6307C3 | 60583 | 35 | eighty | 21 | 4800 |
| 6307-DDU | 90661 | 35 | 80 | 21 | 4900 |
| 6307-ZZCM | 72772 | 35 | eighty | 21 | 5000 |
| 6307-Z | 69050 | 35 | eighty | 21 | 4900 |
| 6307-Z | 118114 | 35 | eighty | 21 | 4400 |
| 6307-ZNR | 72653 | 35 | 866 | 21 | 4900 |
| 6308 | 64984 | forty | 90 | 23 | 6700 |
| 6308 N | 73936 | forty | ninety | 23 | 6600 |
| 6308 NR | 75316 | forty | 965 | 23 | 6800 |
| 6308 NRC3 | 75718 | forty | 965 | 23 | 6800 |
| 6308 -TVHC3 | 64633 | 40 | 90 | 23 | 5800 |
| 6308C3 | 69661 | 40 | ninety | 23 | 6700 |
| 6308-ZZCM | 75547 | 40 | 90 | 23 | 7000 |
| 6308-Z | 74660 | forty | 90 | 23 | 6800 |
| 6308-ZNR | 75913 | forty | 965 | 23 | 6800 |
| 6309 | 81329 | 45 | one hundred | 25 | 8900 |
| 6309 NR | 89557 | 45 | 1065 | 25 | 9000 |
| 6309 NRC3 | 92743 | forty five | 1065 | twenty five | 9000 |
| 6309C3 | 81329 | 45 | 100 | 25 | 8900 |
| 6309-ZZCM | 10571 | forty five | 100 | twenty five | 9100 |
| 6309-Z | 92631 | forty five | a hundred | twenty five | 9000 |
| 6309-ZNR | 93183 | forty five | 1065 | 25 | 9100 |
| 6310 | 97390 | fifty | a hundred and ten | 27 | 11500 |
Our Positive aspects
one. World-Class Bearing: We supply our clients with all varieties of indigenous bearing with globe-class good quality.
2. OEM or Non-Stand Bearings: Any need for Nonstandard bearings is Easily Fulfilled by us owing to its huge knowledge and backlinks in the business.
three. Authentic goods With Superb Good quality: The firm has constantly proved the one hundred% quality goods it provides with authentic intent.
4. Right after Income Services and Specialized Support: The firm supplies following-income provider and complex help as per the customer’s specifications and wants.
five. Swift Supply: The firm gives just-in-time shipping and delivery with its streamlined supply chain.
SAMPLES
1. Samples amount: 1-10 PCS are available.
2. Free samples: It depends on the Design No., material and amount. Some of the bearings samples require consumer to shell out samples charge and shipping and delivery expense.
three. It really is better to commence your get with Trade Assurance to get entire safety for your samples order.
Personalized
The tailored Symbol or drawing is acceptable for us.
MOQ
one. MOQ: 10 PCS normal bearings.
two. MOQ: 1000 PCS personalized your brand name bearings.
OEM Coverage
one. We can printing your brand name (brand, artwork)on the shield or laser engraving your brand on the defend.
two. We can customized your packaging according to your style
three. All copyright personal by consumers and we promised don’t disclose any details.
FAQ
one.What is the minimal get quantity for this merchandise?
Can be negotiated, we will try out our greatest to fulfill consumer wants.Our firm is mostly primarily based on wholesale sales, most customers’orders are much more than 1 ton.
two.What is your latest supply time?
Most orders will be transported in 3-ten times of payment getting received.
three.Does your company have quality assurance?
Indeed, for 2 many years.
4.What is the competitiveness of your firm’s items when compared to other firms?
Higher precision, higher pace, reduced noise.
5.What are the advantages of your company’s services compared to other companies?
Answer questions on-line 24 hrs a working day, reply in a timely fashion, and give various files needed by buyers for customs clearance or income. one hundred% after-sales service.
6.Which payment method does your company help?
Do our best to meet consumer needs, negotiable.
7.How to make contact with us speedily?
You should deliver us an inquiry or information and leave your other make contact with info, this kind of as telephone quantity, account or account, we will speak to you as before long as attainable and offer the thorough info you want.
You should really feel free to get in touch with us, if you have any other issue
|
US $0.5 / Piece | |
1 Piece (Min. Order) |
###
|
Shipping Cost:
Estimated freight per unit. |
To be negotiated |
|---|
###
| Contact Angle: | 45° |
|---|---|
| Aligning: | Aligning Bearing |
| Separated: | Separated |
###
| Customization: |
Available
|
|---|
###
| Product Name | deep groove ball bearing |
| Material | Bearing Steel |
| Bearing Package | Barreled, bagged, boxed, palletized or as customers’ requirement. |
| Standard | DIN GB ISO JIS |
| Application Area | Mining/metallurgy/agriculture/chemical industry/textile/machinery |
| Delivery time | 3-10 days depends on quantity needed |
###
| Model | Bruttopris i DKK | ID(d) | OD(D) | Width (B) | Weight |
| 6306-Z | 69729 | 30 | 72 | 19 | 3700 |
| 6307 | 60583 | 35 | 80 | 21 | 4800 |
| 6307 NR | 63820 | 35 | 866 | 21 | 4800 |
| 6307C3 | 60583 | 35 | 80 | 21 | 4800 |
| 6307-DDU | 90661 | 35 | 80 | 21 | 4900 |
| 6307-ZZCM | 72772 | 35 | 80 | 21 | 5000 |
| 6307-Z | 69050 | 35 | 80 | 21 | 4900 |
| 6307-Z | 118114 | 35 | 80 | 21 | 4400 |
| 6307-ZNR | 72653 | 35 | 866 | 21 | 4900 |
| 6308 | 64984 | 40 | 90 | 23 | 6700 |
| 6308 N | 73936 | 40 | 90 | 23 | 6600 |
| 6308 NR | 75316 | 40 | 965 | 23 | 6800 |
| 6308 NRC3 | 70288 | 40 | 965 | 23 | 6800 |
| 6308 -TVHC3 | 64633 | 40 | 90 | 23 | 5800 |
| 6308C3 | 69661 | 40 | 90 | 23 | 6700 |
| 6308-ZZCM | 75547 | 40 | 90 | 23 | 7000 |
| 6308-Z | 74660 | 40 | 90 | 23 | 6800 |
| 6308-ZNR | 75913 | 40 | 965 | 23 | 6800 |
| 6309 | 81329 | 45 | 100 | 25 | 8900 |
| 6309 NR | 89557 | 45 | 1065 | 25 | 9000 |
| 6309 NRC3 | 92743 | 45 | 1065 | 25 | 9000 |
| 6309C3 | 81329 | 45 | 100 | 25 | 8900 |
| 6309-ZZCM | 100934 | 45 | 100 | 25 | 9100 |
| 6309-Z | 92631 | 45 | 100 | 25 | 9000 |
| 6309-ZNR | 93183 | 45 | 1065 | 25 | 9100 |
| 6310 | 97390 | 50 | 110 | 27 | 11500 |
|
US $0.5 / Piece | |
1 Piece (Min. Order) |
###
|
Shipping Cost:
Estimated freight per unit. |
To be negotiated |
|---|
###
| Contact Angle: | 45° |
|---|---|
| Aligning: | Aligning Bearing |
| Separated: | Separated |
###
| Customization: |
Available
|
|---|
###
| Product Name | deep groove ball bearing |
| Material | Bearing Steel |
| Bearing Package | Barreled, bagged, boxed, palletized or as customers’ requirement. |
| Standard | DIN GB ISO JIS |
| Application Area | Mining/metallurgy/agriculture/chemical industry/textile/machinery |
| Delivery time | 3-10 days depends on quantity needed |
###
| Model | Bruttopris i DKK | ID(d) | OD(D) | Width (B) | Weight |
| 6306-Z | 69729 | 30 | 72 | 19 | 3700 |
| 6307 | 60583 | 35 | 80 | 21 | 4800 |
| 6307 NR | 63820 | 35 | 866 | 21 | 4800 |
| 6307C3 | 60583 | 35 | 80 | 21 | 4800 |
| 6307-DDU | 90661 | 35 | 80 | 21 | 4900 |
| 6307-ZZCM | 72772 | 35 | 80 | 21 | 5000 |
| 6307-Z | 69050 | 35 | 80 | 21 | 4900 |
| 6307-Z | 118114 | 35 | 80 | 21 | 4400 |
| 6307-ZNR | 72653 | 35 | 866 | 21 | 4900 |
| 6308 | 64984 | 40 | 90 | 23 | 6700 |
| 6308 N | 73936 | 40 | 90 | 23 | 6600 |
| 6308 NR | 75316 | 40 | 965 | 23 | 6800 |
| 6308 NRC3 | 70288 | 40 | 965 | 23 | 6800 |
| 6308 -TVHC3 | 64633 | 40 | 90 | 23 | 5800 |
| 6308C3 | 69661 | 40 | 90 | 23 | 6700 |
| 6308-ZZCM | 75547 | 40 | 90 | 23 | 7000 |
| 6308-Z | 74660 | 40 | 90 | 23 | 6800 |
| 6308-ZNR | 75913 | 40 | 965 | 23 | 6800 |
| 6309 | 81329 | 45 | 100 | 25 | 8900 |
| 6309 NR | 89557 | 45 | 1065 | 25 | 9000 |
| 6309 NRC3 | 92743 | 45 | 1065 | 25 | 9000 |
| 6309C3 | 81329 | 45 | 100 | 25 | 8900 |
| 6309-ZZCM | 100934 | 45 | 100 | 25 | 9100 |
| 6309-Z | 92631 | 45 | 100 | 25 | 9000 |
| 6309-ZNR | 93183 | 45 | 1065 | 25 | 9100 |
| 6310 | 97390 | 50 | 110 | 27 | 11500 |
Types of Ball Bearings
Modern ball bearing configurations have different materials and geometries to meet the demands of different working environments and applications. There are different types of ball bearings: single row deep groove, double-row deep groove, angular contact ball bearing, thrust, and self-aligning. Let us look at the differences between each type and learn why they are important for various purposes. Listed below are some of the most common types of ball bearings.
Miniature bearings
Although miniature ball bearings are a popular choice for small mechanical components, they are not without their challenges. They must be properly lubricated and stored in clean rooms. A strand of hair could ruin a miniature bearing. Fortunately, manufacturers offer lubrication services and a “Clean Room” for customers to store their miniature bearings safely. Read on to learn more about these small bearings and how they can help you.
The size of a miniature ball bearing can vary significantly, but most types of these devices are available in sizes ranging from.040 inch to one eighth of an inch. Whether you need a small ball bearing for a miniature car or a tiny instrument, a miniature bearing can save space while still offering high performance. Many of these bearings are shielded to prevent dirt from entering and leakage of lubricant. They can be flanged or unflanged, and some miniature ball bearings have extended inner rings that are designed for easy plate mounting.
Miniature ball bearings are commonly made from stainless steel or chrome steel. Both metals have their advantages. Stainless steel is the most popular material for ball bearings, which allows for a high load capacity while being quiet. Because stainless steel is relatively inexpensive, many small instrument bearings are made entirely of stainless steel. The difference in price is minimal, as the amount of steel is relatively small. Stainless steel miniature bearings are the smallest and lightest of all types of miniature ball bearings.
Self-aligning ball bearings

In the simplest terms, self-aligning ball bearings are ball bearings with flex shafts. If you’re looking for a ball bearing with a high degree of precision, you’ll want to choose one with a flex shaft, which means it can adjust to the proper orientation of the bearing’s flex shaft. Ball bearings with flex shafts are also recommended. But, what are these bearings?
Self-aligning ball bearings are made with two rows of balls and a common sphered raceway on the outer ring. As a result, they can accommodate small errors in shaft alignment and mounting. The CZPT brand is especially suitable for high-speed applications requiring greater running accuracy. The self-alignment mechanism is enabled by the fact that the balls are placed in two rows on either side of the sphered raceway in the outer ring. These two rows of balls also promote reduced friction and wear.
Another type of self-aligning ball bearings is a double-row design. They feature a common sphered raceway on the outer ring, a hollow spherical ring, and a cage that rotates relative to it. A self-aligning ball bearing is used in applications where shaft misalignment is a problem, such as conveying equipment. They are also used in simple woodworking machinery and ventilators.
Ceramic ball bearings
Ceramic ball bearings have several advantages over steel or metal bearings. These include increased acceleration capability, reduced friction, improved wear-resistance, and higher speeds. The United States holds the leading position in the global ceramic ball bearings market thanks to a rebounding motor vehicle production and healthy fixed investment environment. In the United States, there are three primary markets for ceramic ball bearings: healthcare, automotive, and aerospace. Here are the main benefits of ceramic ball bearings:
Hybrid ball bearings are also available. Hybrid bearings feature traditional metal rings and silicon nitride (ceramic) balls. Hybrid bearings offer important performance advantages over all-steel bearings, and they are more affordable. However, full ceramic ball bearings have all ceramic parts, and are best suited for machines that require high precision. These types of bearings also resist corrosion and wear.
Compared to steel ball bearings, ceramic balls are lighter than steel. They are also less dense, which means less friction and therefore less heat. Additionally, ceramic balls operate at higher speeds than steel balls, which increases their durability and longevity. But they are still not as strong as steel bearings. And because of their reduced density, they are much cheaper to manufacture. Therefore, they are an excellent choice for many applications. You can expect them to last much longer than steel bearings.
Steel carbon ball bearings
High precision G25 ball bearings are made of the highest grade chrome steel and hot forged from bar stock. Statistical process control and exacting atmospheres help ensure uniform hardness and microstructure. Moreover, these bearings are of the highest quality, with fine surface finish and a tight tolerance. This makes them the most widely used and reliable choice for industrial and automotive applications. However, there are some considerations that should be taken into account before acquiring a steel carbon ball bearing.
Generally, AFBMA grade 200 is the standard hardness specification for this material. AFBMA grade 100 can also be obtained with great difficulty. Despite the high hardness of steel carbon ball bearings, their outer surface is just a thin hardened shell, so a special micro hardness test is needed to evaluate them. In addition to the hardness, steel balls are easily machined and ground. Some manufacturers even offer stainless steel ball bearings and ball sets.
Another factor that makes steel carbon ball bearings so valuable is their precision. They can give precise measurements, which makes them ideal for low and medium-speed applications. Due to their high precision and durability, steel carbon ball bearings can be used in many applications, from conveyor machines to roller skates. However, you should be aware that the material used to produce these bearings is not suitable for applications in which they are exposed to water and gases. Further, they are also noisy and heavy, and must be installed properly in a manufacturing environment.
Stainless steel ball bearings

Stainless steel ball bearings are made from a high-quality type of stainless steel, 440C, which offers optimal corrosion and abrasion resistance. These bearings are also durable and rust-free, and are suitable for a variety of applications. Among others, stainless steel ball bearings are used in beverage and food processing plants, pharmaceuticals, pulp and paper mills, marine environments, and freezers.
Stainless steel bearings are available in various grades. For example, AISI 440C offers corrosion resistance, while the DD400 is specifically designed for marine applications. Both types of stainless steel are available in different forms, including open, shielded, and sealed. Stainless steel ball bearings can also be custom-made, as BL is known for producing customized bearings. There are also other materials that are available.
AISI type 316 stainless steel balls are ideal for marine applications and food processing. They have excellent resistance to most organic materials and are also used in medical devices and dispenser pumps. They are also strong enough to resist many petroleum products and are widely used in medical equipment and cosmetic applications. In addition, stainless steel balls can be plated to provide an additional layer of protection against chemicals. To understand how they differ, let’s take a look at some common types of stainless steel ball bearings.
Stainless steel
Stainless steel ball bearings can be used in various applications. Besides being corrosion resistant, they also last longer thanks to the Molded-Oil lubrication technology. Stainless steel ball bearings are clean units, which saves time and money in terms of maintenance, replacement, and downtime. But what are the advantages of stainless steel ball bearings? Let us discuss these benefits. Also, we’ll discuss their advantages and disadvantages.
Stainless steel ball bearings offer notable advantages, including corrosion resistance, increased strength, and improved stability under high temperatures. These qualities make them the ideal choice for special circumstances and demanding environments. However, you should be careful when choosing stainless steel bearings. There are several different types of stainless steel. Here’s a brief look at what makes them the best choice. And remember: Stainless steels are also recyclable. In fact, they can be recycled indefinitely.
They’re made from chrome alloy electric furnace steel, which is hardened for optimum service life and strength. They have the highest surface finish and dimensional accuracy. Advanced heat-treating processes increase their strength and anti-cracking abilities. And thanks to their unique materials, they’re corrosion-resistant. As a result, they’re more durable than other types of bearings. And since they’re made with a high-quality steel, you’ll save money in the long run.
Plastic ball bearings

Plastic ball bearings were developed to meet the specific needs of applications where standard steel bearings would fail. Steel and 440C stainless steel are both susceptible to rusting when exposed to water, making them poor choices for applications involving food processing, swimming pools, and medical equipment. In addition to this, the plastic material is able to dampen vibrations and make the bearing virtually silent. Here’s what makes plastic ball bearings so great for these applications.
Plastic ball bearings are lightweight, corrosion-resistant, and offer a long service life. In addition to their low price, they can be easily cleaned and are incredibly durable. Motion plastics specialist igus has recently expanded its range of xiros polymer grooved ball bearings. These bearings are also FDA-compliant, lubricant-free, electrically insulating, and resistant to both temperature and media.
Plastic bearings are often mounted into other components like wheels, pulleys, and housings. In this way, the inner ring is essentially a profile of the pulley’s profile, and the outer ring is a shaft or fixing clip. The result is seamless integration of the bearing and the surrounding parts, which reduces the overall assembly time and costs. You can also use multiple plastic ball bearings in one application for more options.


editor by czh 2023-01-12
China Guide Line Distributor Track Roller U V Pulleys Wheel Hub Housing Sliding Rolling Spherical Ball Bearing bearing assembly
Solution Description
Series LFR rollers are the most extensively-use and financial system item amid the linear movement observe rollers, and they can suit to the cylindrical keep track of.
• There are 2 get in touch with factors amongst the roller and observe, so the speak to function is favorable.
• Rollers attribute double row angular speak to ball bearing in its internal structure layout and a thick-walled outer ring, so rollers can accommodate increased loads.
• Rollers are produced of substantial-top quality bearing metal, processed by heat remedy and precision grind, and are filled with a long services lifestyle, higher-grade and multi-purposes grease. Rollers mount the steel shield (KDD) or CZPT seal (NPP) to prevent the dust. BOOS BEARING also can supply the rollers with concentric or eccentric pivot. Some sorts of the rollers can be made from the corrosion resistance stainless steel.
Attributes of the CZPT method that series LFR rollers are applied :
1. Higher allowable speed, minimal resistance, long support lifestyle
For collection LFR rollers, the floor profile of the outer ring is developed as the GOTHIC ARCH.
When rollers working, there are 2 make contact with factors with an angle sixty levels between the roller and observe. So the friction resistance is reduced and the load is in equality, thus keeping away from the stresses focus and edge influence triggered by the mistake from set up and manufacture, making the track method has the attributes of higher speed, low power use, lengthy services daily life and least noise degree.
2. Simple set up
As rollers assembled the concentric or eccentric pivot, set up can be made practical. To change the eccentric one’s eccentricity, these rollers can get the fitting preload.
3. Easy operating, bare minimum mistake and decrease noise degree
XIHU (WEST LAKE) DIS. special manufacture equipments of machine and inspection amenities make precision in the profile of roller. Experienced manufacture tactics and essential inspection method make all rollers excellent in the Kea (radial runout) of outer ring and roundness of operating floor, so the CZPT method in motion is sleek running, minimum error and lower working sound amount.
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US $2 / Set | |
10 Sets (Min. Order) |
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| Contact Angle: | 25° |
|---|---|
| Rows Number: | Double |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Trademark: | boos |
| Origin: | Ningbo |
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| Samples: |
US$ 2/Piece
1 Piece(Min.Order) |
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| Customization: |
Available
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|
US $2 / Set | |
10 Sets (Min. Order) |
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| Contact Angle: | 25° |
|---|---|
| Rows Number: | Double |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Trademark: | boos |
| Origin: | Ningbo |
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| Samples: |
US$ 2/Piece
1 Piece(Min.Order) |
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| Customization: |
Available
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How to Replace a Bearing
If you want to select a bearing for a specific application, you should know a few basics. This article will give you an overview of ball, angular contact, and sliding-contact bearings. You can choose a bearing according to the application based on the characteristics of its material and preload. If you are not sure how to choose a bearing, try experimenting with it. The next step is to understand the Z-axis, which is the axes along which the bearing moves.
Z axis
When it comes to replacing your Z axis bearing, there are several things you must know. First, you need to make sure that the bearings are seated correctly. Then, you should check the tension and rotation of each one. To ensure that both bearings are equally tensioned, you should flex the Core to the desired angle. This will keep the Z axis perpendicular to the work surface. To do this, first remove the Z axis bearing from its housing and insert it into the Z axis motor plate. Next, insert the flanged bearing into the Z axis motor plate and secure it with two M5x8mm button head cap screws.
Make sure that the bearing plate and the Z Coupler part are flush and have equal spacing. The spacing between the two parts is important, as too much spacing will cause the leadscrew to become tight. The screws should be very loose, with the exception of the ones that engage the nylocks. After installing the bearing, the next step is to start the Z axis. Once this is done, you’ll be able to move it around with a stepper.
Angular contact

Ball bearings are made with angular contacts that result in an angle between the bearing’s races. While the axial load moves in one direction through the bearing, the radial load follows a curved path, tending to separate the races axially. In order to minimize this frictional effect, angular contact bearings are designed with the same contact angle on the inner and outer races. The contact angle must be chosen to match the relative proportions of the axial and radial loads. Generally, a larger contact angle supports a higher axial load, while reducing radial load.
Ball bearings are the most common type of angular contact bearings. Angular contact ball bearings are used in many applications, but their primary purpose is in the spindle of a machine tool. These bearings are suitable for high-speed, precision rotation. Their radial load capacity is proportional to the angular contact angle, so larger contact angles tend to enlarge with speed. Angular contact ball bearings are available in single and double-row configurations.
Angular contact ball bearings are a great choice for applications that involve axial loads and complex shapes. These bearings have raceways on the inner and outer rings and mutual displacement along the axial axis. Their axial load bearing capacity increases as the contact Angle a rises. Angular contact ball bearings can withstand loads up to five times their initial weight! For those who are new to bearings, there are many resources online dedicated to the subject.
Despite their complexity, angular contact ball bearings are highly versatile and can be used in a wide range of applications. Their angular contact enables them to withstand moderate radial and thrust loads. Unlike some other bearings, angular contact ball bearings can be positioned in tandem to reduce friction. They also feature a preload mechanism that removes excess play while the bearing is in use.
Angular contact ball bearings are made with different lubricants and cage materials. Standard cages for angular contact ball bearings correspond to Table 1. Some are machined synthetic resins while others are molded polyamide. These cage materials are used to further enhance the bearing’s axial load capacity. Further, angular contact ball bearings can withstand high speeds and radial loads. Compared to radial contact ball bearings, angular contact ball bearings offer the greatest flexibility.
Ball bearings

Ball bearings are circular structures with two separate rings. The smaller ring is mounted on a shaft. The inner ring has a groove on the outer diameter that acts as a path for the balls. Both the inner and outer ring surfaces are finished with very high precision and tolerance. The outer ring is the circular structure with the rolling elements. These elements can take many forms. The inner and outer races are generally made of steel or ceramic.
Silicon nitride ceramic balls have good corrosion resistance and lightweight, but are more expensive than aluminum oxide balls. They also exhibit an insulating effect and are self-lubricating. Silicon nitride is also suitable for high-temperature environments. However, this type of material has the disadvantage of wearing out rapidly and is prone to cracking and shattering, as is the case with bearing steel and glass. It’s also less resistant to heat than aluminum oxide, so it’s best to buy aluminum nitride or ceramic ball bearings for applications that are subjected to extremely high temperatures.
Another type of ball bearings is the thrust bearing. It has a special design that accommodates forces in both axial and radial directions. It is also called a bidirectional bearing because its races are side-by-side. Axial ball bearings use a side-by-side design, and axial balls are used when the loads are transmitted through the wheel. However, they have poor axial support and are prone to separating during heavy radial loads.
The basic idea behind ball bearings is to reduce friction. By reducing friction, you’ll be able to transfer more energy, have less erosion, and improve the life of your machine. With today’s advances in technology, ball bearings can perform better than ever before. From iron to steel to plastics, the materials used in bearings have improved dramatically. Bearings may also incorporate an electromagnetic field. So, it’s best to select the right one for your machine.
The life expectancy of ball bearings depends on many factors, including the operating speed, lubrication, and temperature. A single million-rpm ball bearing can handle between one and five million rotations. As long as its surface contact area is as small as possible, it’s likely to be serviceable for at least one million rotations. However, the average lifespan of ball bearings depends on the application and operating conditions. Fortunately, most bearings can handle a million or more rotations before they start showing signs of fatigue.
Sliding-contact bearings

The basic principle behind sliding-contact bearings is that two surfaces move in contact with one another. This type of bearing works best in situations where the surfaces are made of dissimilar materials. For instance, a steel shaft shouldn’t run in a bronze-lined bore, or vice versa. Instead, one element should be harder than the other, since wear would concentrate in that area. In addition, abrasive particles tend to force themselves into the softer surface, causing a groove to wear in that part.
Sliding-contact bearings have low coefficients of friction and are commonly used in low-speed applications. Unlike ball and roller bearings, sliding contact bearings have to be lubricated on both sides of the contacting surfaces to minimize wear and tear. Sliding-contact bearings generally are made of ceramics, brass, and polymers. Because of their lower friction, they are less accurate than rolling-element bearings.
Sliding-contact bearings are also known as plain or sleeve bearings. They have a sliding motion between their two surfaces, which is reduced by lubrication. This type of bearing is often used in rotary applications and as guide mechanisms. In addition to providing sliding action, sliding-contact bearings are self-lubricating and have high load-carrying capacities. They are typically available in two different types: plain bearings and thrust bearings.
Sliding-contact linear bearing systems consist of a moving structure (called the carriage or slide) and the surfaces on which the two elements slide. The surfaces on which the bearing and journal move are called rails, ways, or guides. A bore hole is a complex geometry, and a minimum oil film thickness h0 is usually used at the line of centers. It is possible to have a sliding-contact bearing in a pillow block.
Because these bearings are porous, they can absorb 15 to 30% of the lubrication oil. This material is commonly used in automobile and machine tools. Many non-metallic materials are used as bearings. One example is rubber, which offers excellent shock absorbency and embeddability. While rubber has poor strength and thermal conductivity, it is commonly used in deep-well pumps and centrifugal pumps. This material has high impact strength, but is not as rigid as steel.


editor by czh 2022-12-27
China Fd211rka, Fd211rkb Hex Socket Bore Heavy Duty Agricultural Machinery Bearing with Stamping Housing, High Quality Relubricable Farm Machinery Bearing Housing bearing bronze
Product Description
Agricultural Bearing
Agricultural machinery requires better seals for contaminated conditions, provisions for misalignment, and economical mountings for shafts and housings.
HangZhou JOININ Import and Export Co,.ltd. offers bearings for disc harrows, planters, mowers, rakes, all types of balers, tillage, seeding and forage harvester equipment, combines, cotton pickers/stripers, and other agricultural equipment like silo unloaders and CZPT elevators.
We also offer a complete line of insert ball bearings, shaft mounted with either tapered adapters or locking collar or set screws. Our proven seal designs include low torque shields to heavy-duty triple lip seals. Disc harrow bearings are also available with either round, square, or hexagonal bores. All bearings are available with or without re-lubrication holes.
HangZhou JOININ Import and Export Co,.Ltd. is committed to serving American farmers with American-made product manufactured in Macomb, Illinois. We have an ongoing commitment to developing and manufacturing the finest in ball and roller bearings, and we’ve been given the customer quality awards that attest to our reliability and quality.
In addition to our regular industrial aftermarket stock, our nationwide distribution center guarantees that more than 450 of the most popular agricultural bearings are always in stock, including: ball bearings, flanged disc units, rubber mounted disc bearings, square, hex and round bore bearings, and agricultural bearing inserts. (square hole bearing, hex and round bore bearing)
| Contact Angle: | Deep Groove Bearing |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
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| Customization: |
Available
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| Contact Angle: | Deep Groove Bearing |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
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| Customization: |
Available
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Choosing the Right Ball Bearing for Your Application
When choosing a Ball Bearing, there are several things to consider. These factors include: the size, lubricant type, presence of corrosive agents, stray electrical currents, and more. It can be challenging to choose the right type, size, and type of ball bearing for your application. You should also carefully calculate the loads to determine the right size. Here are some tips for choosing the right Ball Bearing for your application.
Single-row
The single-row ball bearing is one of the most popular types of bearings. The inner and outer ring are designed with raceway grooves that are shaped slightly larger than the balls. This type of bearing has a low torque and can handle high-speed applications with minimal power loss. The radial dimensions of single-row ball bearings also vary, so it is possible to find one that fits your specific application. Besides the above-mentioned advantages, single-row ball bearings are also available with varying grease levels and are widely applicable to applications where the space is limited.
Single-row ball bearings are also called angular-contact ball bearings. Because of their single-row design, they are not separable and can accommodate a high-speed, heavy-duty application. Single-row angular-contact ball bearings can only handle axial load in one direction, and they must be installed in pairs for pure radial loads. Single-row ball bearings are a popular type of rolling bearings and can be used for a wide range of applications.
Self-aligning
The self-aligning ball bearing was invented by Sven Wingquist, a plant engineer for a textile company in Sweden. While he was responsible for making production as efficient as possible, he soon realized that the machinery he had in place wasn’t working as efficiently as it could. Although ball bearings are great for reducing friction, they were not flexible enough to compensate for misalignments in the machine.
Self-aligning ball bearings have two rows of balls and a common sphered raceway. The inner ring is curved and combines the two rows of balls into one cage. These bearings can tolerate shaft misalignment and compensate for static angular defects. They can be used in simple woodworking machinery, ventilators, and conveying equipment. They are often the preferred choice for applications where shaft alignment is an issue.
Ceramic
A Ceramic ball bearing is a type of high-performance bearing that is available in both full-ceramic and hybrid forms. The main differences between ceramic and steel ball bearings are their construction, lubrication, and mobility. High-quality ceramic ball bearings are durable, and they are ideal for corrosive and high-temperature applications. The material used to create these bearings helps prevent electrolytic corrosion. They are also ideal for reducing the friction and lubrication requirements.
Ceramic balls are harder and less brittle than steel balls, which gives them a higher degree of rigidity. Ceramics also have a higher hardness, with a hardness of Rc75-80 compared to Rc58-64 for steel balls. Their high compressive strength is approximately 5 to 7 times greater than steel. In addition, they have a very low coefficient of friction, which allows them to spin at higher speeds and with less friction. This increases their lifespan and durability, and decreases the energy needed to turn cranks.
Steel
Unlike traditional bearings, steel balls have a relatively uniform hardness. Carbon steel, for instance, is 2.1% carbon by weight. According to the American Iron and Steel Institute, copper content must be no more than 0.40% and manganese content should not be more than 1.65 g/cm3. After carbonizing, steel balls undergo a process called sizing, which improves their roundness geometry and hardness.
The main differences between steel ball bearings and ceramic ball bearings can be traced to their different materials. Ceramic balls are made from zirconium dioxide or silicon nitride. Silicon nitride is harder than steel and resists shocks. The result is increased speed and longer service life. Polyoxymethylene acetal (PMMA) bearing balls are known for their stiffness, strength, and tolerance, but are not as common as steel ball bearings.
Plastic
The most popular types of plastic ball bearings are made of polypropylene or PTFE. These bearings are used in applications requiring higher chemical resistance. Polypropylene is a structural polymer that offers excellent physical and chemical properties, including excellent resistance to organic solvents and degreasing agents. Its lightweight, low moisture absorption rate, and good heat resistance make it an excellent choice for high-temperature applications. However, plastic bearings are not without their drawbacks, especially when operating at very high temperatures or under heavy loads.
Compared to metal bearings, plastic ball-bearings do not require lubrication. They also are highly corrosion-resistant, making them an excellent choice for wash-down applications. They are also post-, autoclave-, and gamma sterilizable. Many conventional steel ball-bearings cannot handle the high temperatures of food processing or swimming pools. In addition to high temperature applications, plastic ball bearings are resistant to chemicals, including chlorine.
Glass
Plastic sliding bearings are molded bearings made of engineering plastic. With self-lubricating modification technology, these bearings can be produced by injection molding of plastic beads. They are widely used in various industries such as office equipment, fitness and automotive equipment. In addition to plastic bearings, glass balls are used in a variety of other applications, including medical equipment. Glass ball bearings have excellent corrosion resistance, excellent mechanical properties, and are electrically insulators.
Plastic ball bearings are made of all-plastic races and cages. These bearings are suitable for applications that are exposed to acids and alkalis. Because they are cheaper than glass balls, plastic ball bearings are popular in chemical-exposed environments. Stainless steel balls are also resistant to heat and corrosion. But the main disadvantage of plastic ball bearings is that they are not as strong as glass balls. So, if weight and noise is your main concern, consider using plastic balls instead.
Miniature
The global miniature ball bearing market is expected to reach US$ 2.39 Billion by 2027, at a CAGR of 7.2%. Growth in the region is attributed to technological advancement and government initiatives. Countries such as India and China are attracting FDIs and emphasizing the establishment of a global manufacturing hub. This is boosting the market for miniature ball bearings. The miniscule ball bearings are manufactured in small quantities and are very small.
Some manufacturers produce miniature ball bearings in different materials and designs. Chrome steel is the most popular material for miniature ball bearings because of its high load capacity, low noise properties, and lower cost. But the cost of stainless steel miniature bearings is low, since the amount of steel used is minimal. Stainless steel miniature bearings are the smallest in size. Therefore, you can choose stainless steel mini ball bearings for high-speed applications.
Angular-contact
Angular-contact ball bearings have three components: a cage, inner ring, and balls. Angular-contact ball bearings can support high axial and radial loads. Various design and manufacturing attributes make angular-contact ball bearings suitable for a variety of applications. Some features of this bearing type include a special lubricant, different cage materials, and different coatings.
The size of an angular-contact ball bearing is determined by the design units: outer ring width, axial load, and radial load. Depending on the type of application, an angular-contact ball bearing may be manufactured in double-row, triple-row, or quadruple-row configurations. Angular contact ball bearings can be classified according to their design units, which range from metric to imperial. A higher ABEC number means tighter tolerances. To determine the tolerance equivalent of a particular bearing, consult a standard Angular-contact ball bearing table.
Angular-contact ball bearings feature high and low-shoulder configurations. They have two-dimensional races that accommodate axial and radial loads. They are available in self-retaining units with solid inner and outer rings, and ball and cage assemblies. Cages made of cast and wrought brass are the most popular, but lightweight phenolic cages are also available. The latter is a better choice because it doesn’t absorb oil and has lower rolling friction.
Materials
When it comes to the construction of a ball bearing, high-quality raw materials are a crucial component. These materials not only affect the overall quality of a ball bearing, but also influence the cost. That’s why you should pay close attention to raw material quality. In addition to that, raw materials should be tested several times before the manufacturing process to ensure quality. Read on for some information about the different types of materials used to make ball bearings.
Steel is the most common material for ball bearings. Most ball bearings contain stainless steel balls, which are remarkably corrosion-resistant. They are also resistant to saltwater and alkalis. However, stainless steel balls are heavier than plastic ones, and they are also magnetic, which may be a drawback in some applications. If you’re looking for a metal-free option, glass balls are the way to go. They’re sturdy, lightweight, and resistant to a wide range of chemicals.


editor by czh 2022-12-07
China Durable and Long Lasting UCP205 Pillow Bloakcs Bearing Mounted Bearing Housing Deep Groove Ball Bearing/Tpaered/Cylindrical/Needle/Motor/Agricultural Bearing deep groove ball bearing
Product Description
1.Specification of the mounted ball bearing units
1)Pillow block a are most extensively used among the bearing units:UCP,UCPE,UCAK and SBLP,SBLLP.These types are fixed to the shafts by means of the setscrews prepared in the innerring.
2)NAP,SALP and SALLP types are fixed to the shafts by the setscrews prepared in the eccentric locking collor.
3)UKP type is mounted to the shafts by use of adapter sleeves
4)Housing P200 series could be machined grooves on both sides to be mounted with metal covers for dust prevention and safty purpose.
2.The main products of our factory
– Cast iron pillow blocks
– Thermoplastic bearing housing
– All stainless steel mounted units.
– Accu-Grip Concentric lock Bearing Units(New!)
– Rod ends
– Spherical plain bearings
– Agriculture Bearings(Disc Harrow Bearings)
| Bearing | mm | h | a | e | b | S1 | S2 | g | w | n | Bi |
| UCP202 | 15 | 30.2 | 127 | 95 | 38 | 13 | 19 | 14 | 62 | 11.5 | 27.4 |
| UCP203 | 17 | 30.2 | 127 | 95 | 38 | 13 | 19 | 14 | 62 | 11.5 | 27.4 |
| UCP204 | 20 | 33.3 | 127 | 95 | 38 | 13 | 19 | 14 | 65 | 12.3 | 31 |
| UCP205 | 25 | 36.5 | 140 | 105 | 38 | 13 | 19 | 15 | 71 | 14.3 | 34.1 |
| UCP206 | 30 | 42.9 | 165 | 121 | 48 | 17 | 21 | 17 | 83 | 15.9 | 38.1 |
| UCP207 | 35 | 47.6 | 167 | 127 | 48 | 17 | 21 | 18 | 93 | 17.5 | 42.9 |
| UCP208 | 40 | 49.2 | 184 | 137 | 54 | 17 | 21 | 18 | 98 | 19 | 49.2 |
| UCP209 | 45 | 54 | 190 | 146 | 54 | 17 | 21 | 20 | 106 | 19 | 49.2 |
| UCP210 | 50 | 57.2 | 206 | 159 | 60 | 20 | 25 | 21 | 114 | 19 | 51.6 |
| UCP211 | 55 | 63.5 | 219 | 171 | 60 | 20 | 25 | 23 | 126 | 22.2 | 55.6 |
| UCP212 | 60 | 69.8 | 241 | 184 | 70 | 20 | 25 | 25 | 138 | 25.4 | 65.1 |
| UCP213 | 65 | 76.2 | 265 | 203 | 70 | 25 | 29 | 27 | 151 | 25.4 | 65.1 |
| UCP214 | 70 | 79.4 | 266 | 210 | 72 | 25 | 31 | 27 | 157 | 30.2 | 74.6 |
| UCP215 | 75 | 82.6 | 275 | 217 | 74 | 25 | 31 | 28 | 163 | 33.3 | 77.8 |
| UCP216 | 80 | 88.9 | 292 | 232 | 78 | 25 | 31 | 30 | 175 | 33.3 | 82.6 |
| UCP217 | 85 | 95.2 | 310 | 247 | 83 | 25 | 31 | 32 | 1870 | 34.1 | 85.7 |
| UCP218 | 90 | 102 | 327 | 262 | 88 | 27 | 33 | 33 | 200 | 39.7 | 96 |
| Bearing | mm | a | e | b | i | g | l | z | s | n | Bi |
| UCFL202 | 15 | 113 | 90 | 60 | 15 | 12 | 25.5 | 30.9 | 12 | 11.5 | 27.4 |
| UCFL203 | 17 | 113 | 90 | 60 | 15 | 12 | 25.5 | 30.3 | 12 | 11.5 | 27.4 |
| UCFL204 | 20 | 113 | 90 | 60 | 15 | 12 | 25.5 | 33.7 | 12 | 12.3 | 31 |
| UCFL205 | 25 | 130 | 99 | 68 | 16 | 14 | 27 | 35.8 | 16 | 14.3 | 34.1 |
| UCFL206 | 30 | 148 | 117 | 80 | 18 | 14 | 31 | 40.2 | 16 | 15.9 | 38.1 |
| UCFL207 | 35 | 161 | 130 | 90 | 19 | 16 | 34 | 44.4 | 16 | 17.5 | 42.9 |
| UCFL208 | 40 | 175 | 144 | 100 | 21 | 16 | 36 | 51.2 | 16 | 19 | 49.2 |
| UCFL209 | 45 | 188 | 148 | 108 | 22 | 18 | 38 | 52.2 | 19 | 19 | 49.2 |
| Bearing | mm | h | a | e | b |
| UCC202 | 15 | 72 | 20 | 11.5 | 27.4 |
| UCC203 | 17 | 72 | 20 | 11.5 | 27.4 |
| UCC204 | 20 | 72 | 20 | 12.3 | 31 |
| UCC205 | 25 | 80 | 22 | 14.3 | 34.1 |
| UCC206 | 30 | 85 | 27 | 15.9 | 38.1 |
| UCC207 | 35 | 90 | 28 | 17.5 | 42.9 |
| UCC208 | 40 | 100 | 30 | 19 | 49.2 |
| UCC209 | 45 | 110 | 31 | 19 | 49.2 |
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment 30%TT in advance. 70% T/T before shippment
| Rolling Element: | Double Row |
|---|---|
| Structure: | Rod End |
| Material: | Bearing Steel |
| Load Direction: | Radial Spherical Plain Bearing |
| Add Lubricant: | Self-lubricating |
| Outer Structure: | Outer Ring of Single-Slit |
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| Samples: |
US$ 2/Piece
1 Piece(Min.Order) |
|---|
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| Customization: |
Available
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|---|
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| Bearing | mm | h | a | e | b | S1 | S2 | g | w | n | Bi |
| UCP202 | 15 | 30.2 | 127 | 95 | 38 | 13 | 19 | 14 | 62 | 11.5 | 27.4 |
| UCP203 | 17 | 30.2 | 127 | 95 | 38 | 13 | 19 | 14 | 62 | 11.5 | 27.4 |
| UCP204 | 20 | 33.3 | 127 | 95 | 38 | 13 | 19 | 14 | 65 | 12.3 | 31 |
| UCP205 | 25 | 36.5 | 140 | 105 | 38 | 13 | 19 | 15 | 71 | 14.3 | 34.1 |
| UCP206 | 30 | 42.9 | 165 | 121 | 48 | 17 | 21 | 17 | 83 | 15.9 | 38.1 |
| UCP207 | 35 | 47.6 | 167 | 127 | 48 | 17 | 21 | 18 | 93 | 17.5 | 42.9 |
| UCP208 | 40 | 49.2 | 184 | 137 | 54 | 17 | 21 | 18 | 98 | 19 | 49.2 |
| UCP209 | 45 | 54 | 190 | 146 | 54 | 17 | 21 | 20 | 106 | 19 | 49.2 |
| UCP210 | 50 | 57.2 | 206 | 159 | 60 | 20 | 25 | 21 | 114 | 19 | 51.6 |
| UCP211 | 55 | 63.5 | 219 | 171 | 60 | 20 | 25 | 23 | 126 | 22.2 | 55.6 |
| UCP212 | 60 | 69.8 | 241 | 184 | 70 | 20 | 25 | 25 | 138 | 25.4 | 65.1 |
| UCP213 | 65 | 76.2 | 265 | 203 | 70 | 25 | 29 | 27 | 151 | 25.4 | 65.1 |
| UCP214 | 70 | 79.4 | 266 | 210 | 72 | 25 | 31 | 27 | 157 | 30.2 | 74.6 |
| UCP215 | 75 | 82.6 | 275 | 217 | 74 | 25 | 31 | 28 | 163 | 33.3 | 77.8 |
| UCP216 | 80 | 88.9 | 292 | 232 | 78 | 25 | 31 | 30 | 175 | 33.3 | 82.6 |
| UCP217 | 85 | 95.2 | 310 | 247 | 83 | 25 | 31 | 32 | 1870 | 34.1 | 85.7 |
| UCP218 | 90 | 102 | 327 | 262 | 88 | 27 | 33 | 33 | 200 | 39.7 | 96 |
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| Bearing | mm | a | e | b | i | g | l | z | s | n | Bi |
| UCFL202 | 15 | 113 | 90 | 60 | 15 | 12 | 25.5 | 30.9 | 12 | 11.5 | 27.4 |
| UCFL203 | 17 | 113 | 90 | 60 | 15 | 12 | 25.5 | 30.3 | 12 | 11.5 | 27.4 |
| UCFL204 | 20 | 113 | 90 | 60 | 15 | 12 | 25.5 | 33.7 | 12 | 12.3 | 31 |
| UCFL205 | 25 | 130 | 99 | 68 | 16 | 14 | 27 | 35.8 | 16 | 14.3 | 34.1 |
| UCFL206 | 30 | 148 | 117 | 80 | 18 | 14 | 31 | 40.2 | 16 | 15.9 | 38.1 |
| UCFL207 | 35 | 161 | 130 | 90 | 19 | 16 | 34 | 44.4 | 16 | 17.5 | 42.9 |
| UCFL208 | 40 | 175 | 144 | 100 | 21 | 16 | 36 | 51.2 | 16 | 19 | 49.2 |
| UCFL209 | 45 | 188 | 148 | 108 | 22 | 18 | 38 | 52.2 | 19 | 19 | 49.2 |
###
| Bearing | mm | h | a | e | b |
| UCC202 | 15 | 72 | 20 | 11.5 | 27.4 |
| UCC203 | 17 | 72 | 20 | 11.5 | 27.4 |
| UCC204 | 20 | 72 | 20 | 12.3 | 31 |
| UCC205 | 25 | 80 | 22 | 14.3 | 34.1 |
| UCC206 | 30 | 85 | 27 | 15.9 | 38.1 |
| UCC207 | 35 | 90 | 28 | 17.5 | 42.9 |
| UCC208 | 40 | 100 | 30 | 19 | 49.2 |
| UCC209 | 45 | 110 | 31 | 19 | 49.2 |
| Rolling Element: | Double Row |
|---|---|
| Structure: | Rod End |
| Material: | Bearing Steel |
| Load Direction: | Radial Spherical Plain Bearing |
| Add Lubricant: | Self-lubricating |
| Outer Structure: | Outer Ring of Single-Slit |
###
| Samples: |
US$ 2/Piece
1 Piece(Min.Order) |
|---|
###
| Customization: |
Available
|
|---|
###
| Bearing | mm | h | a | e | b | S1 | S2 | g | w | n | Bi |
| UCP202 | 15 | 30.2 | 127 | 95 | 38 | 13 | 19 | 14 | 62 | 11.5 | 27.4 |
| UCP203 | 17 | 30.2 | 127 | 95 | 38 | 13 | 19 | 14 | 62 | 11.5 | 27.4 |
| UCP204 | 20 | 33.3 | 127 | 95 | 38 | 13 | 19 | 14 | 65 | 12.3 | 31 |
| UCP205 | 25 | 36.5 | 140 | 105 | 38 | 13 | 19 | 15 | 71 | 14.3 | 34.1 |
| UCP206 | 30 | 42.9 | 165 | 121 | 48 | 17 | 21 | 17 | 83 | 15.9 | 38.1 |
| UCP207 | 35 | 47.6 | 167 | 127 | 48 | 17 | 21 | 18 | 93 | 17.5 | 42.9 |
| UCP208 | 40 | 49.2 | 184 | 137 | 54 | 17 | 21 | 18 | 98 | 19 | 49.2 |
| UCP209 | 45 | 54 | 190 | 146 | 54 | 17 | 21 | 20 | 106 | 19 | 49.2 |
| UCP210 | 50 | 57.2 | 206 | 159 | 60 | 20 | 25 | 21 | 114 | 19 | 51.6 |
| UCP211 | 55 | 63.5 | 219 | 171 | 60 | 20 | 25 | 23 | 126 | 22.2 | 55.6 |
| UCP212 | 60 | 69.8 | 241 | 184 | 70 | 20 | 25 | 25 | 138 | 25.4 | 65.1 |
| UCP213 | 65 | 76.2 | 265 | 203 | 70 | 25 | 29 | 27 | 151 | 25.4 | 65.1 |
| UCP214 | 70 | 79.4 | 266 | 210 | 72 | 25 | 31 | 27 | 157 | 30.2 | 74.6 |
| UCP215 | 75 | 82.6 | 275 | 217 | 74 | 25 | 31 | 28 | 163 | 33.3 | 77.8 |
| UCP216 | 80 | 88.9 | 292 | 232 | 78 | 25 | 31 | 30 | 175 | 33.3 | 82.6 |
| UCP217 | 85 | 95.2 | 310 | 247 | 83 | 25 | 31 | 32 | 1870 | 34.1 | 85.7 |
| UCP218 | 90 | 102 | 327 | 262 | 88 | 27 | 33 | 33 | 200 | 39.7 | 96 |
###
| Bearing | mm | a | e | b | i | g | l | z | s | n | Bi |
| UCFL202 | 15 | 113 | 90 | 60 | 15 | 12 | 25.5 | 30.9 | 12 | 11.5 | 27.4 |
| UCFL203 | 17 | 113 | 90 | 60 | 15 | 12 | 25.5 | 30.3 | 12 | 11.5 | 27.4 |
| UCFL204 | 20 | 113 | 90 | 60 | 15 | 12 | 25.5 | 33.7 | 12 | 12.3 | 31 |
| UCFL205 | 25 | 130 | 99 | 68 | 16 | 14 | 27 | 35.8 | 16 | 14.3 | 34.1 |
| UCFL206 | 30 | 148 | 117 | 80 | 18 | 14 | 31 | 40.2 | 16 | 15.9 | 38.1 |
| UCFL207 | 35 | 161 | 130 | 90 | 19 | 16 | 34 | 44.4 | 16 | 17.5 | 42.9 |
| UCFL208 | 40 | 175 | 144 | 100 | 21 | 16 | 36 | 51.2 | 16 | 19 | 49.2 |
| UCFL209 | 45 | 188 | 148 | 108 | 22 | 18 | 38 | 52.2 | 19 | 19 | 49.2 |
###
| Bearing | mm | h | a | e | b |
| UCC202 | 15 | 72 | 20 | 11.5 | 27.4 |
| UCC203 | 17 | 72 | 20 | 11.5 | 27.4 |
| UCC204 | 20 | 72 | 20 | 12.3 | 31 |
| UCC205 | 25 | 80 | 22 | 14.3 | 34.1 |
| UCC206 | 30 | 85 | 27 | 15.9 | 38.1 |
| UCC207 | 35 | 90 | 28 | 17.5 | 42.9 |
| UCC208 | 40 | 100 | 30 | 19 | 49.2 |
| UCC209 | 45 | 110 | 31 | 19 | 49.2 |
Types of Ball Bearings
Modern ball bearing configurations have different materials and geometries to meet the demands of different working environments and applications. There are different types of ball bearings: single row deep groove, double-row deep groove, angular contact ball bearing, thrust, and self-aligning. Let us look at the differences between each type and learn why they are important for various purposes. Listed below are some of the most common types of ball bearings.
Miniature bearings
Although miniature ball bearings are a popular choice for small mechanical components, they are not without their challenges. They must be properly lubricated and stored in clean rooms. A strand of hair could ruin a miniature bearing. Fortunately, manufacturers offer lubrication services and a “Clean Room” for customers to store their miniature bearings safely. Read on to learn more about these small bearings and how they can help you.
The size of a miniature ball bearing can vary significantly, but most types of these devices are available in sizes ranging from.040 inch to one eighth of an inch. Whether you need a small ball bearing for a miniature car or a tiny instrument, a miniature bearing can save space while still offering high performance. Many of these bearings are shielded to prevent dirt from entering and leakage of lubricant. They can be flanged or unflanged, and some miniature ball bearings have extended inner rings that are designed for easy plate mounting.
Miniature ball bearings are commonly made from stainless steel or chrome steel. Both metals have their advantages. Stainless steel is the most popular material for ball bearings, which allows for a high load capacity while being quiet. Because stainless steel is relatively inexpensive, many small instrument bearings are made entirely of stainless steel. The difference in price is minimal, as the amount of steel is relatively small. Stainless steel miniature bearings are the smallest and lightest of all types of miniature ball bearings.
Self-aligning ball bearings

In the simplest terms, self-aligning ball bearings are ball bearings with flex shafts. If you’re looking for a ball bearing with a high degree of precision, you’ll want to choose one with a flex shaft, which means it can adjust to the proper orientation of the bearing’s flex shaft. Ball bearings with flex shafts are also recommended. But, what are these bearings?
Self-aligning ball bearings are made with two rows of balls and a common sphered raceway on the outer ring. As a result, they can accommodate small errors in shaft alignment and mounting. The CZPT brand is especially suitable for high-speed applications requiring greater running accuracy. The self-alignment mechanism is enabled by the fact that the balls are placed in two rows on either side of the sphered raceway in the outer ring. These two rows of balls also promote reduced friction and wear.
Another type of self-aligning ball bearings is a double-row design. They feature a common sphered raceway on the outer ring, a hollow spherical ring, and a cage that rotates relative to it. A self-aligning ball bearing is used in applications where shaft misalignment is a problem, such as conveying equipment. They are also used in simple woodworking machinery and ventilators.
Ceramic ball bearings
Ceramic ball bearings have several advantages over steel or metal bearings. These include increased acceleration capability, reduced friction, improved wear-resistance, and higher speeds. The United States holds the leading position in the global ceramic ball bearings market thanks to a rebounding motor vehicle production and healthy fixed investment environment. In the United States, there are three primary markets for ceramic ball bearings: healthcare, automotive, and aerospace. Here are the main benefits of ceramic ball bearings:
Hybrid ball bearings are also available. Hybrid bearings feature traditional metal rings and silicon nitride (ceramic) balls. Hybrid bearings offer important performance advantages over all-steel bearings, and they are more affordable. However, full ceramic ball bearings have all ceramic parts, and are best suited for machines that require high precision. These types of bearings also resist corrosion and wear.
Compared to steel ball bearings, ceramic balls are lighter than steel. They are also less dense, which means less friction and therefore less heat. Additionally, ceramic balls operate at higher speeds than steel balls, which increases their durability and longevity. But they are still not as strong as steel bearings. And because of their reduced density, they are much cheaper to manufacture. Therefore, they are an excellent choice for many applications. You can expect them to last much longer than steel bearings.
Steel carbon ball bearings
High precision G25 ball bearings are made of the highest grade chrome steel and hot forged from bar stock. Statistical process control and exacting atmospheres help ensure uniform hardness and microstructure. Moreover, these bearings are of the highest quality, with fine surface finish and a tight tolerance. This makes them the most widely used and reliable choice for industrial and automotive applications. However, there are some considerations that should be taken into account before acquiring a steel carbon ball bearing.
Generally, AFBMA grade 200 is the standard hardness specification for this material. AFBMA grade 100 can also be obtained with great difficulty. Despite the high hardness of steel carbon ball bearings, their outer surface is just a thin hardened shell, so a special micro hardness test is needed to evaluate them. In addition to the hardness, steel balls are easily machined and ground. Some manufacturers even offer stainless steel ball bearings and ball sets.
Another factor that makes steel carbon ball bearings so valuable is their precision. They can give precise measurements, which makes them ideal for low and medium-speed applications. Due to their high precision and durability, steel carbon ball bearings can be used in many applications, from conveyor machines to roller skates. However, you should be aware that the material used to produce these bearings is not suitable for applications in which they are exposed to water and gases. Further, they are also noisy and heavy, and must be installed properly in a manufacturing environment.
Stainless steel ball bearings

Stainless steel ball bearings are made from a high-quality type of stainless steel, 440C, which offers optimal corrosion and abrasion resistance. These bearings are also durable and rust-free, and are suitable for a variety of applications. Among others, stainless steel ball bearings are used in beverage and food processing plants, pharmaceuticals, pulp and paper mills, marine environments, and freezers.
Stainless steel bearings are available in various grades. For example, AISI 440C offers corrosion resistance, while the DD400 is specifically designed for marine applications. Both types of stainless steel are available in different forms, including open, shielded, and sealed. Stainless steel ball bearings can also be custom-made, as BL is known for producing customized bearings. There are also other materials that are available.
AISI type 316 stainless steel balls are ideal for marine applications and food processing. They have excellent resistance to most organic materials and are also used in medical devices and dispenser pumps. They are also strong enough to resist many petroleum products and are widely used in medical equipment and cosmetic applications. In addition, stainless steel balls can be plated to provide an additional layer of protection against chemicals. To understand how they differ, let’s take a look at some common types of stainless steel ball bearings.
Stainless steel
Stainless steel ball bearings can be used in various applications. Besides being corrosion resistant, they also last longer thanks to the Molded-Oil lubrication technology. Stainless steel ball bearings are clean units, which saves time and money in terms of maintenance, replacement, and downtime. But what are the advantages of stainless steel ball bearings? Let us discuss these benefits. Also, we’ll discuss their advantages and disadvantages.
Stainless steel ball bearings offer notable advantages, including corrosion resistance, increased strength, and improved stability under high temperatures. These qualities make them the ideal choice for special circumstances and demanding environments. However, you should be careful when choosing stainless steel bearings. There are several different types of stainless steel. Here’s a brief look at what makes them the best choice. And remember: Stainless steels are also recyclable. In fact, they can be recycled indefinitely.
They’re made from chrome alloy electric furnace steel, which is hardened for optimum service life and strength. They have the highest surface finish and dimensional accuracy. Advanced heat-treating processes increase their strength and anti-cracking abilities. And thanks to their unique materials, they’re corrosion-resistant. As a result, they’re more durable than other types of bearings. And since they’re made with a high-quality steel, you’ll save money in the long run.
Plastic ball bearings

Plastic ball bearings were developed to meet the specific needs of applications where standard steel bearings would fail. Steel and 440C stainless steel are both susceptible to rusting when exposed to water, making them poor choices for applications involving food processing, swimming pools, and medical equipment. In addition to this, the plastic material is able to dampen vibrations and make the bearing virtually silent. Here’s what makes plastic ball bearings so great for these applications.
Plastic ball bearings are lightweight, corrosion-resistant, and offer a long service life. In addition to their low price, they can be easily cleaned and are incredibly durable. Motion plastics specialist igus has recently expanded its range of xiros polymer grooved ball bearings. These bearings are also FDA-compliant, lubricant-free, electrically insulating, and resistant to both temperature and media.
Plastic bearings are often mounted into other components like wheels, pulleys, and housings. In this way, the inner ring is essentially a profile of the pulley’s profile, and the outer ring is a shaft or fixing clip. The result is seamless integration of the bearing and the surrounding parts, which reduces the overall assembly time and costs. You can also use multiple plastic ball bearings in one application for more options.


editor by czh 2022-12-06