6801ddcm nsk6801DD d 12 mm Bore diameter D 21 mm Outside diameter B 5 mm Width r (min.) 0. 3 mm Chamfer dimension d1 19 mm Outside diameter of inner ring D1 14 mm Bore diameter of outer ring Cr 2110 N Basic dynamic load rating C0r 1040 N Basic static load rating Grease 20000 min 1 Grease lubrication da (min.) 14 mm Diameter of shaft abutment (min) da (max.) 14 mm Diameter of shaft abutment Da (max.) 19 mm Diameter of housing abutment ra (max.) 0. 3 mm Radius of