6306cm nsk6306 d 30 mm Bore diameter D 72 mm Outside diameter B 19 mm Width r (min.) 1. 1 mm Chamfer dimension Cr 29300 N Basic dynamic load rating C0r 15000 N Basic static load rating Grease 11000 min 1 Grease lubrication Oil (Oil bath) 13000 min 1 Oil bath lubrication da (min.) 36. 5 mm Diameter of shaft abutment (min) da (max.) 42. 5 mm Diameter of shaft abutment Da (max.) 65. 5 mm Diameter of housing abutment ra (max.) 1 mm Radius of shaft or housing fillet