The BR9 spring steel coil bushing is rolled with spring steel plate as the base material, then quenched as a whole, and the internal and external surfaces are grinded. The product can replace the ordinary bearing steel sleeve, and has the advantages of moderate hardness, strong bearing capacity, good wear resistance, etc.
Due to its good elasticity, the product can cushion and protect the shaft when subjected to severe impact loads. The product is suitable for rocker arms, grab buckets and other parts of large construction machinery.