... , carbon steelcage: Steel ,nylon ,brass ,bronzeroller: Carbon ,bearing steel,chromium steel,etcclearance: C0 C2 C3 C4 C5Vabration: Z1 ... :16.2 kgInner Diameter :87-280mmOuter Diameter :100-320mmMaterial:bearing steel; chrome steel;stainless steelCage:Steel ,nylon ,brass ... lifetime of the bearing. About us:Wuxi Shenxi Bearing Co,Ltd, More than 20 years' experience in bearing manufacturing:the complete ...