6318 dduc3 nsk6318DDU d 90 mm Bore diameter D 190 mm Outside diameter B 43 mm Width r (min.) 3 mm Chamfer dimension Cr 157000 N Basic dynamic load rating C0r 107000 N Basic static load rating Grease 2400 min 1 Grease lubrication da (min.) 103 mm Diameter of shaft abutment (min) da (max.) 117 mm Diameter of shaft abutment Da (max.) 177 mm Diameter of housing abutment ra (max.) 2. 5 mm Radius of shaft or housing fillet fo 13. 3 Factor z 8 Number of Balls Dw 31. 75 mm