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What are the materials of the bearing cage?
The cage has a great influence on the performance and service life of the rolling bearing, and the selection of its material is very important. The cage material should have the characteristics of high mechanical strength, good wear resistance, impact resistance and good size.
Bearing cages are generally divided into two types: cage and solid cage.
Cages for small and medium-sized supporting accessories generally use high-quality carbon steel structural steel belts or steel plates, such as 08 or 10 steel. According to different uses, brass and stainless steel plates are also used.
Large-scale bearings and production molds maintain solid supports made of common materials, such as brass, bearings, bearings and structural carbon steel.
Precision angular contact ball bearing cages are usually made of rubber laminated cloth tubes.
It also comes with engineering plastic frame. Another material is glass fiber reinforced development 66 (GRPA6-25), and the working temperature is -30~+120℃. This kind of material has low weight, low density, friction resistance, corrosion resistance, good elasticity, and good elasticity. It is directly injection molded and has low manufacturing cost. It has been used to manufacture a variety of bearing frames.
