6308dduc3e Nsk6308DDU d 40 mm Bore diameter D 90 mm Outside diameter B 23 mm Width r (min.) 1. 5 mm Chamfer dimension Cr 45000 N Basic dynamic load rating C0r 24000 N Basic static load rating Grease 5300 min 1 Grease lubrication da (min.) 48 mm Diameter of shaft abutment (min) da (max.) 53 mm Diameter of shaft abutment Da (max.) 82 mm Diameter of housing abutment ra (max.) 1. 5 mm Radius of shaft or housing fillet fo 13. 2 Factor z 8 Number of Balls Dw 15. 081 mm