6901vvcm nsk6901VV d 12 mm Bore diameter D 24 mm Outside diameter B 6 mm Width r (min.) 0. 3 mm Chamfer dimension d1 21. 6 mm Outside diameter of inner ring D1 14. 5 mm Bore diameter of outer ring Cr 3200 N Basic dynamic load rating C0r 1460 N Basic static load rating Grease 30000 min 1 Grease lubrication da (min.) 14 mm Diameter of shaft abutment (min) da (max.) 14. 5 mm Diameter of shaft abutment Da (max.) 22 mm Diameter of housing abutment ra (max.) 0. 3 mm