Self-lubricating properties
The self-lubricating ability of oil-lubricated bearings comes from their innovative internal design, which can automatically release lubricating oil during operation. This design ensures that the friction surface is always lubricated, thereby effectively reducing the friction coefficient. This self-lubricating feature not only reduces reliance on external lubrication, but also significantly reduces maintenance requirements. In many equipment where regular lubrication is difficult, such as heavy machinery and high-precision equipment, the application of oil-lubricated bearings has become particularly important. Since equipment is usually under high load and complex environments, frequent lubrication operations not only increase maintenance costs, but may also lead to equipment downtime. The self-lubricating function of oil-lubricated bearings ensures that the equipment can operate efficiently for a long time without worrying about lubrication problems, thus improving the overall work efficiency and equipment reliability.
Wear resistance
Oil-lubricated bearings use highly wear-resistant materials to ensure they can maintain excellent performance even under high loads and friction. This wear resistance enables them to significantly reduce wear and damage under high load and high speed operating conditions. This is particularly important for industrial machinery and heavy equipment, as these equipment often operate in extreme working environments and long-term use can cause traditional materials to wear out too quickly. Oil-lubricated bearings have a longer service life, which can effectively reduce the frequency of equipment replacement and maintenance, thereby reducing operating costs. In addition, the wear resistance also ensures the efficiency and reliability of the equipment, allowing operators to produce with greater confidence.
High temperature stability
Oil lubricated bearings perform well in high temperature environments. Its internal lubricating oil can still maintain good fluidity under high temperature conditions, ensuring that the lubrication effect is not affected by temperature changes. This characteristic makes it particularly suitable for use in engines, turbines and other high-temperature equipment, and can effectively prevent equipment failure caused by overheating. With the development of technology, many industrial applications require equipment to work stably under extreme temperature conditions, and the high-temperature stability of oil-lubricated bearings makes it one of the solutions. This not only improves the safety of the equipment but also extends its service life.
low coefficient of friction
Well-designed oil-lubricated bearings achieve low coefficients of friction, thereby reducing energy losses. During operation, the oil film formed by lubricating oil effectively reduces friction and ensures efficient operation of the equipment. This low friction feature not only improves the working efficiency of the equipment, but also reduces energy consumption, which is in line with the needs of modern industry for energy saving and consumption reduction. In many automated and efficient production situations, the use of low-friction bearings can significantly improve overall production efficiency and reduce energy costs. At the same time, the low friction coefficient also reduces the heat generated due to friction, thereby lowering the operating temperature of the equipment and further extending its service life.



Product material details table
| JiandeWelfine Flange Sintered Bronze Bearing | |||||
| Inner diameter/mm | Outer diameter/mm | collar diameter/mm | Bushings length/mm | collar thickness/mm | Material |
| 3.0 | 6.0 | 9.0 | 4.0 | 1.5 | bronze |
| 4.0 | 8.0 | 9.0 | 6.0 | 1.0 | bronze |
| 4.0 | 8.0 | 10.0 | 3.0 | 1.5 | bronze |
| 4.0 | 8.0 | 12.0 | 4.0 | 2.0 | bronze |
| 4.0 | 8.0 | 12.0 | 6.0 | 2.0 | bronze |
| 4.0 | 15.0 | 17.0 | 2.9 | 1.5 | bronze |
| 5.0 | 7.0 | 11.0 | 10.0 | 1.5 | bronze |
| 5.0 | 9.0 | 13.0 | 5.0 | 1.0 | bronze |
| 5.0 | 10.0 | 12.0 | 10.0 | 2.0 | bronze |
| 6.0 | 10.0 | 12.0 | 8.0 | 2.0 | bronze |
| 6.0 | 10.0 | 12.0 | 10.0 | 2.0 | bronze |
| 6.0 | 10.0 | 14.0 | 6.0 | 2.0 | bronze |
| 6.0 | 10.0 | 14.0 | 10.0 | 2.0 | bronze |
| 6.0 | 12.0 | 14.0 | 12.0 | 2.0 | bronze |
| 6.0 | 10.0 | 14.0 | 16.0 | 2.0 | bronze |
| 7.0 | 10.0 | 12.0 | 9.0 | 2.0 | bronze |
| 8.0 | 11.0 | 13.0 | 13.0 | 1.5 | bronze |
| 8.0 | 12.0 | 14.0 | 5.5 | 2.0 | bronze |
| 8.0 | 12.0 | 14.0 | 9.0 | 2.0 | bronze |
| 8.0 | 12.0 | 14.0 | 16.0 | 1.0 | bronze |
| 8.0 | 12.0 | 15.0 | 15.0 | 2.0 | bronze |
| 8.0 | 12.0 | 16.0 | 6.0 | 2.0 | bronze |
| 8.0 | 12.0 | 16.0 | 8.0 | 2.0 | bronze |
| 8.0 | 12.0 | 16.0 | 10.0 | 2.0 | bronze |
| 8.0 | 12.0 | 16.0 | 11.0 | 2.0 | bronze |
| 8.0 | 12.0 | 16.0 | 12.0 | 2.0 | bronze |
| 8.0 | 12.0 | 16.0 | 16.0 | 2.0 | bronze |
| 10.0 | 13.0 | 16.0 | 10.0 | 1.5 | bronze |
| 10.0 | 15.0 | 17.0 | 2.9 | 1.5 | bronze |
| 10.0 | 15.0 | 20.0 | 10.0 | 3.0 | bronze |
| 10.0 | 15.0 | 20.0 | 20.0 | 2.5 | bronze |
| 10.0 | 16.0 | 20.0 | 15.0 | 3.0 | bronze |
| 10.0 | 16.0 | 22.0 | 8.0 | 3.0 | bronze |
| 10.0 | 16.0 | 22.0 | 10.0 | 3.0 | bronze |
| 10.0 | 16.0 | 22.0 | 21.5 | 1.7 | bronze |
| 10.0 | 16.0 | 28.0 | 10.0 | 3.0 | bronze |
| 12.0 | 15.0 | 18.0 | 10.0 | 1.5 | bronze |
| 12.0 | 15.0 | 18.0 | 12.0 | 1.5 | bronze |
| 12.0 | 15.0 | 18.0 | 16.0 | 1.5 | bronze |
| 12.0 | 19.0 | 22.0 | 4.2 | 0.9 | bronze |
| 12.0 | 16.0 | 22.0 | 8.0 | 2.0 | bronze |
| 12.0 | 17.0 | 22.0 | 12.0 | 2.5 | bronze |
| 12.0 | 17.0 | 22.0 | 25.0 | 2.5 | bronze |
| 12.0 | 18.0 | 24.0 | 10.0 | 3.0 | bronze |
| 12.0 | 18.0 | 24.0 | 20.0 | 3.0 | bronze |
| 13.0 | 16.0 | 28.0 | 8.0 | 1.5 | bronze |
| 14.0 | 18.0 | 22.0 | 14.0 | 2.0 | bronze |
| 14.0 | 18.0 | 22.0 | 14.0 | 3.0 | bronze |
| 14.0 | 20.0 | 24.0 | 20.0 | 2.0 | bronze |
| 14.0 | 20.0 | 25.0 | 10.0 | 3.0 | bronze |
| 14.0 | 20.0 | 26.0 | 14.0 | 3.0 | bronze |
| 14.0 | 20.0 | 26.0 | 20.0 | 3.0 | bronze |
| 14.0 | 20.0 | 26.0 | 10.0 | 3.0 | bronze |
| 15.0 | 21.0 | 27.0 | 10.0 | 3.0 | bronze |
| 15.0 | 21.0 | 27.0 | 10.0 | 3.0 | bronze |
| 15.0 | 21.0 | 27.0 | 16.0 | 3.0 | bronze |
| 15.0 | 21.0 | 27.0 | 20.0 | 3.0 | bronze |
| 16.0 | 20.0 | 24.0 | 16.0 | 2.0 | bronze |
| 16.0 | 22.0 | 28.0 | 12.0 | 3.0 | bronze |
| 16.0 | 22.0 | 28.0 | 25.0 | 3.0 | bronze |
| 18.0 | 22.0 | 26.0 | 18.0 | 2.0 | bronze |
| 20.0 | 24.0 | 28.0 | 12.0 | 2.0 | bronze |
| 20.0 | 24.0 | 28.0 | 16.0 | 2.0 | bronze |
| 20.0 | 24.0 | 28.0 | 20.0 | 2.0 | bronze |
| 20.0 | 26.0 | 32.0 | 20.0 | 5.0 | bronze |
| 20.0 | 26.0 | 32.0 | 25.0 | 3.0 | bronze |
| 22.0 | 28.0 | 33.0 | 20.0 | 3.0 | bronze |
| 25.0 | 30.0 | 35.0 | 25.0 | 2.5 | bronze |
| 25.0 | 30.0 | 35.0 | 32.0 | 2.5 | bronze |
| 25.0 | 32.0 | 39.0 | 32.0 | 3.5 | bronze |
| 25.0 | 32.0 | 39.0 | 20.0 | 3.5 | bronze |
| 25.0 | 32.0 | 40.0 | 25.0 | 5.0 | bronze |
| 28.0 | 36.0 | 44.0 | 36.0 | 4.0 | bronze |
| 30.0 | 35.0 | 46.0 | 11.8 | 2.0 | bronze |
| 30.0 | 38.0 | 46.0 | 30.0 | 4.0 | bronze |
| 32.0 | 40.0 | 48.0 | 32.0 | 4.0 | bronze |
| 40.0 | 50.0 | 60.0 | 25.0 | 5.0 | bronze |
| 40.0 | 50.0 | 60.0 | 40.0 | 5.0 | bronze |
| 40.0 | 46.0 | 52.0 | 40.0 | 3.0 | bronze |
| 40.0 | 50.0 | 60.0 | 40.0 | 5.0 | bronze |
| 50.0 | 60.0 | 70.0 | 50.0 | 5.0 | bronze |
Application areas of oilube bearings
Oilube bearings play an important role in heavy industrial machinery, such as excavators, milling machines and compressors. These devices are usually faced with high-load and high-friction working environments, requiring bearings to have excellent wear resistance and self-lubricating ability. The design of oil-lubricated bearings enables them to automatically release lubricating oil to ensure that the friction surface is always fully lubricated, thereby effectively reducing the wear rate. This feature not only extends the service life of the equipment, but also reduces the maintenance frequency, reduces downtime, and improves production efficiency. In addition, oil-lubricated bearings can still maintain stable performance under extreme working conditions, adapt to various working conditions, and ensure that industrial equipment performs well in long-term and efficient operation.

Automotive industry:

In the automotive industry, oil-lubricated bearings are widely used in key components such as engines, transmissions and suspension systems. Since these components are subject to high temperatures, high pressures and complex dynamic loads, oil-lubricated bearings, with their good self-lubricating properties, provide continuous lubrication while reducing dependence on regular maintenance. This not only improves the reliability of the entire vehicle, but also improves safety, ensuring that the car can run smoothly under various driving conditions. For example, in the high temperature environment of the engine, oil-lubricated bearings can maintain good lubrication and prevent failures caused by friction and overheating, thereby reducing maintenance costs. In addition, the application of oil-lubricated bearings also helps to reduce vehicle energy consumption and improve fuel efficiency, making modern cars more outstanding in performance and environmental protection.
Why Choose Us
National High-Tech Enterprise:
As a national high-tech enterprise, Jiande Weijia Technology Co., Ltd. has been actively engaged in scientific and technological research and development and production and manufacturing, and is committed to providing high-quality products and services to our customers.
Application Areas:
Our products are widely used in machinery, electronics, electrical appliances, medical devices, hand/power tools, communications, motorcycles and automobiles. The quality is stable and reliable and is widely praised by customers.

System Certification And Product Quality:
The company has obtained ISO9001:2015 and IATF16949:2016 management system certification, and continuously improves product quality and service levels to meet the growing needs of customers. The company has an independent laboratory to conduct strict quality inspections on each batch of products to ensure that each product meets customer requirements. We firmly believe that trust is built on quality and service, so we pay attention to product quality and customer service.
Partners:
The product market and major partners are from Europe and the United States, indicating that our product quality has been recognized by the international market.
Maybe You Still Want To Know
1.How does the self-lubricating property of this bearing work?
The bearing adopts an advanced design and contains a lubricating oil storage structure inside. During operation, lubricating oil will be automatically released to form an oil film to ensure that the friction surface is always lubricated. This self-lubricating mechanism significantly reduces friction and wear, improves equipment operating efficiency, and reduces reliance on external lubrication.
2.Is this bearing suitable for use in high temperature environments?
Yes, this bearing has excellent high temperature stability. Its internal lubricating oil maintains good fluidity under high temperature conditions, ensuring continuous lubrication. This makes it suitable for engines, turbines and other equipment that need to operate in high-temperature environments, and can effectively prevent failures caused by overheating.
3.How resistant is this bearing to wear in heavy machinery applications?
The bearing is made of highly wear-resistant materials and can withstand higher loads and friction, significantly reducing wear. Whether under high load or high-speed operation conditions, bearings can maintain excellent wear resistance, extend the service life of equipment, and reduce maintenance frequency and costs.
4.How do I tell if this bearing is suitable for my specific application?
The key to determining whether a bearing is suitable for your specific application is to understand the operating conditions and load requirements of the equipment. We recommend that you provide the technical parameters of your equipment, including load, speed and environmental conditions, so that we can evaluate and recommend the most suitable bearing type.
5.Is the installation and maintenance of this kind of bearing complicated?
Installation of this type of bearing is relatively simple and usually requires just following standard installation steps. Due to its self-lubricating properties, maintenance requirements are greatly reduced and frequent oil checks or changes are usually not required. This makes the long-term operation of the equipment more convenient and efficient.
6.How long is the service life of this kind of bearing?
Service life is affected by several factors, including load, speed, operating temperature and environmental conditions. Generally speaking, under normal operating conditions, the bearings provide a long service life, often reaching thousands of hours of operation. We recommend regular inspections to ensure consistent performance.
7.If a custom design is required, how do I proceed?
If your application requires a custom design, we welcome you to contact us. We can design and develop based on your specific needs to ensure the bearings perform optimally in your equipment. Our engineering team will work closely with you to meet your technical requirements and application standards.
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