Description
Materials for Slewing Bearing
1)Rings: Steel 45#,50Mn (carbon structural steel), 42CrMo (alloy structural steel). 50Mn and 42CrMo are usually used.
2)Rolling element: It is made of chrome steel GCr15 or GCr15SiMn.
3)Seal: It is usually made of NBR, iron, felt, or other thing which meet the capability.