Inner Diameter:12mmOuter Diameter:32mmWidth:10mmClosure Type:Rubber SealedMaterial:Chrome Steel SAE-52100Lubrication:Chevron SRI-2 GreaseStatic Load:615 lbfDynamic Load:1,370 lbfSpeed Limit:21,000 RPMCountry of Origin:ChinaInterchange Numbers:6201RS, 6201LLU, 6201LLB, 6201DDU, 6201VV, 6201.2RSJ1, 6201EE, 6201.2RU, 201PP, 201KSZZ, 6201-2NSL, 99201, 6L023, 5972K42, 6153K75, 6201-2NSE, 201SZF, 6201.2RSRSurface Hardness:60-65 Rockwell