6312zzcm nsk6312ZZ d 60 mm Bore diameter D 130 mm Outside diameter B 31 mm Width r (min.) 2. 1 mm Chamfer dimension Cr 90000 N Basic dynamic load rating C0r 52000 N Basic static load rating Grease 6000 min 1 Grease lubrication da (min.) 71 mm Diameter of shaft abutment (min) da (max.) 79 mm Diameter of shaft abutment Da (max.) 119 mm Diameter of housing abutment ra (max.) 2 mm Radius of shaft or housing fillet fo 13. 1 Factor z 8 Number of Balls Dw 22. 225 mm