Self-lubricating properties
Lubricated bronze bearings use advanced technology to embed lubricant into the internal microporous structure or design special oil grooves. When the equipment is running, the bearing surface will heat up due to friction and release lubricant, forming a protective film. This dynamic self-lubricating function reduces direct contact friction between bearings and mating parts, reducing wear rates and operating noise. This performance makes it superior in equipment that operates continuously for a long time, especially in frequently operated industrial machinery and systems that require reduced manual intervention.
Excellent wear resistance
Lubricated bronze bearings are made of high-strength bronze alloy, which combines dense microstructure and high hardness properties to exhibit excellent wear resistance. Even under high-speed operation or frequent starts and stops, the bearings can still maintain stability. This kind of wear resistance significantly reduces the possibility of equipment failure and extends the service life. It is especially suitable for automotive parts, industrial machine tools that require precise movement, and other equipment scenarios with high intensity and repetitive work.
Excellent carrying capacity
This kind of bearing has extremely high static and dynamic load-bearing capacity and can evenly distribute the load to avoid damage to equipment components caused by pressure concentration. The high-density bronze material provides stable support during heavy-duty operation while maintaining structural integrity and performance reliability. This property is particularly important in heavy machinery and applications that need to withstand high pressures, such as hydraulic equipment, hoisting machinery and high-performance electric motors.
Corrosion resistance and high temperature performance
Lubricated bronze bearings are naturally resistant to corrosion and can handle high humidity, oil and chemicals. In addition, its stability in high-temperature environments is also outstanding, and it can maintain the lubrication effect and mechanical strength without causing lubricant loss or material deformation due to fluctuations in ambient temperature. Therefore, it is ideal for high-temperature equipment and applications in dusty environments, such as metallurgy, mining, and mechanical components in high-temperature industrial processes.


Product material details table
| Jiande Welfine Cylinder Sintered Bronze Bearing | |||
| Inner diameter/mm | 0uter diameter/mm | Bushings length/mm | Material |
| 2.0 | 4.0 | 6.0 | Copper base |
| 3.0 | 5.0 | 7.0 | Copper base |
| 3.0 | 6.0 | 3.0 | Bronze |
| 3.0 | 6.0 | 6.0 | Bronze |
| 3.0 | 6.0 | 8.0 | Bronze |
| 3.0 | 6.0 | 10.0 | Bronze |
| 4.0 | 6.0 | 9.0 | Bronze |
| 4.0 | 6.0 | 12.0 | Bronze |
| 4.0 | 7.0 | 4.0 | Bronze |
| 4.0 | 7.0 | 8.0 | Bronze |
| 4.0 | 8.0 | 8.0 | Bronze |
| 5.0 | 7.0 | 6.0 | Bronze |
| 5.0 | 7.0 | 9.0 | Bronze |
| 5.0 | 8.0 | 5.0 | Bronze |
| 5.0 | 8.0 | 8.0 | Bronze |
| 5.0 | 8.0 | 10.0 | Bronze |
| 5.0 | 8.0 | 12.0 | Bronze |
| 5.0 | 8.0 | 14.0 | Bronze |
| 5.0 | 8.0 | 16.0 | Bronze |
| 5.0 | 8.1 | 3.0 | Bronze |
| 5.0 | 10.0 | 12.0 | Bronze |
| 5.0 | 10.0 | 6.0 | Bronze |
| 6.0 | 8.0 | 6.0 | Bronze |
| 6.0 | 8.0 | 12.0 | Bronze |
| 6.0 | 9.0 | 10.0 | Bronze |
| 6.0 | 9.0 | 12.0 | Bronze |
| 6.0 | 10.0 | 10.0 | Bronze |
| 6.0 | 11.0 | 5.0 | Bronze |
| 7.0 | 10.0 | 6.0 | Bronze |
| 7.0 | 11.0 | 8.0 | Bronze |
| 7.0 | 11.0 | 10.0 | Bronze |
| 8.0 | 10.0 | 6.0 | Bronze |
| 8.0 | 10.0 | 12.0 | Bronze |
| 8.0 | 11.0 | 5.5 | Bronze |
| 8.0 | 11.0 | 8.0 | Bronze |
| 8.0 | 11.0 | 20.0 | Bronze |
| 8.0 | 12.0 | 6.0 | Bronze |
| 8.0 | 12.0 | 8.0 | Bronze |
| 8.0 | 12.0 | 10.0 | Bronze |
| 8.0 | 12.0 | 12.0 | Bronze |
| 8.0 | 12.0 | 16.0 | Bronze |
| 9.0 | 12.0 | 6.0 | Bronze |
| 10.0 | 12.0 | 8.0 | Bronze |
| 10.0 | 13.0 | 5.0 | Bronze |
| 10.0 | 13.0 | 10.0 | Bronze |
| 10.0 | 13.0 | 20.0 | Bronze |
| 10.0 | 14.0 | 8.0 | Bronze |
| 10.0 | 14.0 | 16.0 | Bronze |
| 10.0 | 16.0 | 10.0 | Bronze |
| 10.0 | 16.0 | 13.0 | Bronze |
| 12.0 | 15.0 | 4.0 | Bronze |
| 12.0 | 15.0 | 12.0 | Bronze |
| 12.0 | 15.0 | 16.0 | Bronze |
| 12.0 | 16.0 | 10.0 | Bronze |
| 12.0 | 16.0 | 12.0 | Bronze |
| 12.0 | 16.0 | 16.0 | Bronze |
| 12.0 | 16.0 | 20.0 | Bronze |
| 12.0 | 17.0 | 12.0 | Bronze |
| 12.0 | 17.0 | 24.0 | Bronze |
| 12.0 | 17.0 | 25.0 | Bronze |
| 12.0 | 18.0 | 12.0 | Bronze |
| 12.0 | 18.0 | 15.0 | Bronze |
| 12.0 | 18.0 | 16.0 | Bronze |
| 12.0 | 18.0 | 20.0 | Bronze |
| 13.0 | 16.0 | 11.6 | Bronze |
| 13.0 | 16.5 | 13.5 | Bronze |
| 13.0 | 18.0 | 15.0 | Bronze |
| 14.0 | 18.0 | 10.0 | Bronze |
| 14.0 | 18.0 | 14.0 | Bronze |
| 14.0 | 18.0 | 18.0 | Bronze |
| 14.0 | 20.0 | 10.0 | Bronze |
| 14.0 | 20.0 | 20.0 | Bronze |
| 15.0 | 19.0 | 16.0 | Bronze |
| 15.0 | 19.0 | 30.0 | Bronze |
| 16.0 | 20.0 | 10.0 | Bronze |
| 16.0 | 20.0 | 12.0 | Bronze |
| 16.0 | 20.0 | 16.0 | Bronze |
| 16.0 | 20.0 | 20.0 | Bronze |
| 16.0 | 20.0 | 25.0 | Bronze |
| 16.0 | 22.0 | 15.0 | Bronze |
| 16.0 | 22.0 | 16.0 | Bronze |
| 16.0 | 22.0 | 25.0 | Bronze |
| 16.0 | 22.0 | 32.0 | Bronze |
| 17.0 | 22.0 | 40.0 | Bronze |
| 18.0 | 22.0 | 18.0 | Bronze |
| 18.0 | 23.0 | 18.0 | Bronze |
| 20.0 | 24.0 | 20.0 | Bronze |
| 20.0 | 24.0 | 30.0 | Bronze |
| 20.0 | 25.0 | 20.0 | Bronze |
| 20.0 | 25.0 | 25.0 | Bronze |
| 20.0 | 26.0 | 10.0 | Bronze |
| 20.0 | 26.0 | 15.0 | Bronze |
| 20.0 | 26.0 | 20.0 | Bronze |
| 20.0 | 26.0 | 25.0 | Bronze |
| 20.0 | 26.0 | 30.0 | Bronze |
| 20.0 | 28.0 | 16.0 | Bronze |
| 22.0 | 26.0 | 10.0 | Bronze |
| 22.0 | 26.0 | 15.5 | Bronze |
| 22.0 | 27.0 | 28.0 | Bronze |
| 24.0 | 28.0 | 30.0 | Bronze |
| 24.0 | 30.0 | 30.0 | Bronze |
| 25.0 | 30.0 | 25.0 | Bronze |
| 25.0 | 30.0 | 32.0 | Bronze |
| 25.0 | 30.0 | 40.0 | Bronze |
| 25.0 | 30.0 | 60.0 | Bronze |
| 25.0 | 32.0 | 20.0 | Bronze |
| 25.0 | 32.0 | 25.0 | Bronze |
| 25.0 | 32.0 | 32.0 | Bronze |
| 28.0 | 32.0 | 31.0 | Bronze |
| 30.0 | 34.0 | 28.0 | Bronze |
| 30.0 | 35.0 | 22.0 | Bronze |
| 30.0 | 38.0 | 12.0 | Bronze |
| 30.0 | 38.0 | 30.0 | Bronze |
| 30.0 | 38.0 | 38.0 | Bronze |
| 32.0 | 40.0 | 32.0 | Bronze |
| 32.0 | 40.0 | 40.0 | Bronze |
| 35.0 | 44.0 | 15.0 | Bronze |
| 35.0 | 44.0 | 35.0 | Bronze |
| 35.0 | 45.0 | 20.0 | Bronze |
| 40.0 | 50.0 | 35.0 | Bronze |
| 50.0 | 65.0 | 60.0 | Bronze |
| 60.0 | 70.0 | 40.0 | Bronze |
| 60.0 | 70.0 | 60.0 | Bronze |
| 80.0 | 90.0 | 70.0 | Bronze |
| 100.0 | 120.0 | 140.0 | Bronze |
Application areas of lubricating bronze bushings

Industrial Machinery and Equipment
Lubricated bronze bearings are widely used in industrial machinery, covering a wide range of industries such as machine tools, conveying systems, food processing equipment and packaging machinery. Their unique self-lubricating properties make them particularly outstanding in high-intensity, long-term continuous operation environments. The heat generated by friction activates the lubricant stored inside, forming a protective film that effectively reduces friction and energy consumption during equipment operation. For the high load requirements of heavy machinery, this bearing has strong load-bearing capacity and wear-resistant characteristics, which can reduce the risk of equipment downtime due to excessive wear. In addition, in high-precision motion devices, lubricated bronze bearings can ensure smooth operation and adapt to frequent starts, stops and reverse movements, thereby improving overall equipment efficiency. Especially in automated production lines, this bearing can help equipment achieve seamless and efficient operation and reduce production stagnation caused by part failure.
Automobile Manufacturing and Maintenance
The application of lubricated bronze bearings in the automotive industry is reflected in multiple key components, including engines, suspension systems and steering devices. Its low coefficient of friction reduces mechanical wear at high speeds and reduces heat accumulation, ensuring the smoothness and reliability of parts for long-term operation. At the same time, its superior high temperature resistance enables it to maintain stable performance in high temperature environments such as engines and gearboxes, and will not affect its service life due to thermal expansion or insufficient lubrication. The self-lubricating property further reduces the dependence on external lubricants, greatly reducing the maintenance requirements of the vehicle. This is especially important for components such as suspension systems and steering devices that require long-term stable operation, which helps to improve the driving comfort and reliability of the entire vehicle. In addition, the corrosion resistance of this bearing is particularly outstanding in humid and dusty environments, ensuring that it still has a long service life under harsh conditions.

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Maybe You Still Want To Know
Q: 1: Can this kind of bearing be used normally in high temperature environment?
A: Yes, this type of bearing has good high temperature resistance. Under high-temperature operating conditions, the internal lubricating oil can be released through heat to form a protective film, thereby maintaining the lubrication and stability of the bearing. Even in high-temperature environments such as engines or industrial equipment, its performance will not be significantly affected, ensuring long-term reliable operation.
Q: 2: Is it necessary to add lubricant regularly?
A: unnecessary. The self-lubricating properties of this bearing come from its internal sintering process, where lubricating oil is evenly distributed in the material. During operation, the lubricant is automatically released to reduce friction, so no additional lubricant is required. This feature greatly reduces the maintenance requirements of the equipment and is especially suitable for scenarios where frequent maintenance is difficult.
Q: 3: Can it withstand higher loads?
A: Absolutely. This kind of bearing is made of high-strength materials and has excellent load-bearing capacity. In heavy-load environments, its internal structure can evenly distribute the load, reduce local pressure concentration, and ensure reliability and stability under high-load conditions. It is very suitable for use in industrial machinery and heavy equipment.
Q: 4: What harsh environments can it adapt to?
A: This type of bearing is ideal for dusty, moist or corrosive environments. For example, in agricultural machinery and construction equipment, its corrosion resistance ensures normal operation under harsh conditions, while its self-lubricating properties reduce lubrication failures caused by the external environment.
Q: 5: How to ensure stability during operation?
A: Its materials and design ensure a low coefficient of friction, reducing heat generation, while its self-lubricating properties maintain smooth operation over the long term. In addition, its wear resistance allows it to maintain accuracy even in high-frequency operation, making it suitable for occasions requiring high reliability and stability.
Q: 6: What is the service life of this kind of bearing?
A: Due to their high wear resistance and self-lubricating properties, such bearings generally have a longer service life than conventional bearings. Its performance advantages are particularly obvious in high-load and high-speed operating environments. It can also reduce maintenance costs and improve the overall efficiency of the equipment.
Q: 7: Can the energy consumption of the equipment be reduced?
A: Yes. These bearings help reduce energy consumption by reducing friction and heat build-up, especially in equipment operating at high speeds. In addition, the smooth operation and long-lasting lubrication effect reduce power loss, thereby improving overall energy efficiency and reducing long-term use costs for users.
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