6228 Nsk62 28 d 28 mm Bore diameter D 58 mm Outside diameter B 16 mm Width r (min.) 1 mm Chamfer dimension d1 48. 5 mm Outside diameter of inner ring D1 37. 5 mm Bore diameter of outer ring Cr 18300 N Basic dynamic load rating C0r 9500 N Basic static load rating Grease 12000 min 1 Grease lubrication Oil (Oil bath) 14000 min 1 Oil bath lubrication da (min.) 33 mm Diameter of shaft abutment (min) da (max.) 35. 5 mm Diameter of shaft abutment Da (max.) 53 mm