Product Description
PRODUCT PICTURES
 OUR SERVICES
We can provide manufacturing capabilities and services of regular bearings for you, or customized non-standard bearings as you required.
 BEARING:
 — Dimensions
 — Material
 — Tolerance standard
APPEARANCE:
 — Logo (Laser Marking)
 — Package Design
40+ YEARS EXPERIENCEÂ
CONTINUOUS AND STABLE DELIVERY OF PRODUCTS.
With over 40 years experience of the bearing manufacturing, we know how to make good bearings with less cost consistently and efficiently.
We use advanced CNC turning, grinding, and superfinishing machines to ensure high, stable, and accurate machining. All of your goods, from the most economical category, to the highest rated category, will always be manufactured precisely to the standards you require.
OWN HEAT TREATMENTÂ
CONTROALLABLE COST AND QUALITY.
Heat treatment is 1 of the crucial processes to ensure high performance of bearing materials. Compared with other manufacturers, we can produce higher quality bearings at smaller cost, with a more flexible and controllable production schedule, and in a shorter time.Â
We have 6 heat treatment production lines.
Bearings are heated uniformly, with small deformation and little/no oxidized decarburization, which can make them have high hardness, high fatigue resistance, good wear resistance, dimensional stability, and excellent mechanical strength.
Â
OUTSTXIHU (WEST LAKE) DIS. QUALITY
LOW NOISE, LOW FRICTION AND LONG LIFE.
All our products are characterized by low noise, low friction and long life. This is due to our attention to the roundness, waviness and surface roughness of bearing raceway.
Our products fully meets the requirements of national and international standards according to the testing result of roughness, roundness, hardness, vibration noise, vibration velocity.
PACKING
PACKAGING THAT HELPS SELL.
1, Inner package
  Corrosion and Dust Proof PE plastic film / bag packing + Tube packing, or Wrapping tape for larger bearings.
2, Corrugated Individual Box
  Our attractive sales-helpful “3-JOYS” package, or as the design of your package.
3, Outer package
 Corrugated carton + Wooden palletÂ
MODERN WELL-ORGANIZED WAREHOUSE
  · Constant temperature (20°C) and humidity (RH 52%) warehouse
  · Hundreds of models on hand, short delivery time.
Â
HONOR & SYSTEM CERTIFICATES
EXHIBITION
SAMPLES POLICYÂ
 FREE SAMPLES AND SHIPPING
 We are happy to send you free samples of our bearings for field  testing. All transportation costs will be paid by us.
 Please note: Depending on the model and value of samples,  this policy may not apply!
 Please contact our sales staff for details.
TRANSPORTATION
FASTEST DELIVERY TO CUSTOMERS
CUSTOMERS FEEDBACK
PAYMENT TERMSÂ
To facilitate your payment, we offer a variety of options!Â
  Â
Â
FAQ
1, About the lead time.
Â
This depends on several factors, like Is the production schedule tight? Is there a corresponding model in stock, and is there enough of this model in stock? How many pcs of that model would be ordered?
Simply speaking, based on a 20′ GP container load:
If the model your Preferred is | Sufficient stock | Lead Time |
Regular models | YES | Within 7 days |
Regular models | NO | Within 30 days |
Non-regular model | NO | About 50 days |
For accurate estimate, please contact with our sale stuff. Thanks.
2, Minimum order quantity.Â
 Â
Even just ONE piece of bearing is ok for us.
 Â
3, If you don’t know which model is the right choice…
 Â
We would like to give you some advise if you like, according to the real situation and demand of your local market. Our purpose is to help you to get proper and right models for your customers, so that you would make a better sales and income finally.
4, Factory Inspection
We surely would welcome you or your representatives to come to our plants or working offices to take a good look and chat with our hardworking CZPT employees. Ask our sales stuff and she/he will arrange that for you.
OPTIONS OF SPECIFICATION AND STHangZhouRD
Â
Subject | Symbol | Description |
Material of Housing | N/A | Cast Iron/ Steel |
Stainless Steel | ||
Press Steel Plate | ||
Plastic | ||
Bearing Type Code | UC | Cylindrical bore, with set screws |
UK | Tapered bore (for adapter) | |
NA/UEL | Cylindrical bore (with eccentric locking collar) | |
UE | Cylindrical bore with eccentric locking collar (light duty type) | |
UB |  Flat head at 1 end, with set screws (light duty type) | |
SB | Cylindrical bore, with set screws (light duty type) | |
SA | Cylindrical bore, with eccentric locking collar | |
SU | Cylindrical bore, with set screws | |
Housing Type Code | P | Pillow block type |
PA | Tapered-base pillow block type | |
LP | Light duty pillow block type | |
IP | Thick section pillow block type | |
HP | Center height pillow block type | |
F | Square-flanged type | |
FA | Adjustable rhombic-flanged type | |
FB | Three-bolt flange type | |
FL | Rhombic-flanged type | |
FC | Round-flanged type with spigot joint | |
FS | Square-flanged type | |
C | Cartridge type | |
T | Take-up type | |
SP | Pillow block type (stainless-type) | |
ST | Take-up type (stainless-series) | |
Sealing Type | RS | Rubber seal on 1 side. |
2RS | Rubber seals on both sides. | |
RZ | Rubber seal on 1 side. (non-contact) | |
2RZ | Rubber seal on both sides(non-contact) | |
Z | Metal shield on 1 side. | |
2Z | Metal shields on both sides. | |
RSZ | Rubber seal on 1 side, metal shields on other side | |
RZZ | Rubber seal on 1 side, metal shields on other side  (non-contact) |
|
L2 | Double-lip seal | |
L3 | Triple-lip seal |
PRODUCT PARAMETERS
This tech sheet may not contain all or every piece of information you want to know. Please contact our sales staff to obtain or compare the information.
                                                                               In metric: mm
Bearing No. | Shaft Dia | Dimensions(mm) | Weight (kg) |
||||||
d | D | Bi | Be | N | M | G | Ds | ||
mm | mm | ||||||||
UC202 | 15 | 40 | 27.4 | 14 | 11.5 | 15.9 | 4.5 | M5×0.8 | 0.14 |
UC203 | 17 | 40 | 27.4 | 14 | 11.5 | 15.9 | 4.5 | M5×0.8 | 0.13 |
UC204 | 20 | 47 | 31 | 17 | 12.3 | 18.7 | 5 | M6×1.0 | 0.18 |
UC205 | 25 | 52 | 34.1 | 17 | 14.3 | 19.8 | 5 | M6×1.0 | 0.22 |
UC206 | 30 | 62 | 38.1 | 19 | 15.9 | 22.2 | 5 | M6×1.0 | 0.34 |
UC207 | 35 | 72 | 42.9 | 20 | 17.5 | 25.4 | 7 | M8×1.0 | 0.52 |
UC208 | 40 | 80 | 49.2 | 21 | 19 | 30.2 | 8 | M8×1.0 | 0.68 |
UC209 | 45 | 85 | 49.2 | 22 | 19 | 30.2 | 8 | M8×1.0 | 0.78 |
UC210 | 50 | 90 | 51.6 | 22 | 19 | 32.6 | 10 | M10×1.25 | 0.85 |
UC211 | 55 | 100 | 55.6 | 25 | 22.2 | 33.4 | 10 | M10×1.25 | 1.22 |
UC212 | 60 | 110 | 65.1 | 27 | 25.4 | 39.7 | 10 | M10×1.25 | 1.65 |
UC213 | 65 | 120 | 65.1 | 29 | 25.4 | 39.7 | 10 | M10×1.25 | 1.96 |
UC214 | 70 | 125 | 74.6 | 30 | 30.2 | 44.4 | 12 | M12×1.5 | 2.06 |
UC215 | 75 | 130 | 77.8 | 30 | 33.3 | 44.5 | 12 | M12×1.5 | 2.3 |
UC216 | 80 | 140 | 82.6 | 33 | 33.3 | 49.3 | 12 | M12×1.5 | 2.79 |
UC217 | 85 | 150 | 85.7 | 35 | 34.1 | 51.6 | 12 | M12×1.5 | 3.59 |
UC218 | 90 | 160 | 96 | 37 | 39.7 | 56.3 | 12 | M12×1.5 | 4.56 |
UC305 | 25 | 62 | 38 | 20 | 15 | 23 | 6 |   M6×1.0 | 0.35 |
UC306 | 30 | 72 | 43 | 23 | 17 | 26 | 6 | M8×1.0 | 0.56 |
UC307 | 35 | 80 | 48 | 25 | 19 | 29 | 8 | M8×1.0 | 0.71 |
UC308 | 40 | 90 | 52 | 27 | 19 | 33 | 10 | M10×1.25 | 1 |
UC309 | 45 | 100 | 57 | 29 | 22 | 35 | 10 | M10×1.25 | 1.36 |
UC310 | 50 | 110 | 61 | 32 | 22 | 39 | 12 | M12×1.50 | 1.65 |
UC311 | 55 | 120 | 66 | 34 | 25 | 41 | 12 | M12×1.50 | 2.08 |
UC312 | 60 | 130 | 71 | 36 | 26 | 45 | 12 | M12×1.50 | 2.6 |
UC313 | 65 | 140 | 75 | 38 | 30 | 45 | 12 | M12×1.50 | 3.24 |
UC314 | 70 | 150 | 78 | 40 | 33 | 45 | 12 | M12×1.50 | 3.91 |
UC315 | 75 | 160 | 82 | 42 | 32 | 50 | 14 | M14×1.50 | 4.7 |
UC316 | 80 | 170 | 86 | 44 | 34 | 52 | 16 | M16×1.50 | 5.06 |
UC317 | 85 | 180 | 96 | 46 | 40 | 56 | 16 | M16×1.50 | 6.9 |
UC318 | 90 | 190 | 96 | 48 | 40 | 56 | 16 | M16×1.50 | 8.03 |
UC319 | 95 | 200 | 103 | 50 | 41 | 62 | 16 | M16×1.50 | 8.91 |
UC320 | 100 | 215 | 108 | 54 | 42 | 66 | 18 | M18×1.50 | 11.2 |
Â
 /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Aligning: | Non-Aligning Bearing |
---|---|
Separated: | Unseparated |
Rows Number: | Single |
Raceway: | Deep Groove Raceway |
Material: | Bearing Steel |
Bearing Block Model: | Fb |
Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
---|
Customization: |
Available
| Customized Request |
---|
Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.
How do Temperature and Environmental Conditions Affect the Performance of Ball Bearings?
Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:
- Lubrication:
Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.
- Material Properties:
Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.
- Clearance Changes:
Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.
- Corrosion and Contamination:
Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.
- Thermal Stress:
Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.
- Noise and Vibration:
Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.
- Lubricant Degradation:
Environmental factors like humidity, dust, and contaminants can lead to premature lubricant degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.
- Seal Effectiveness:
Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.
- Choosing Appropriate Bearings:
When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.
Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.
What 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 2024-05-02