6804vvcm nsk6804VV d 20 mm Bore diameter D 32 mm Outside diameter B 7 mm Width r (min.) 0. 3 mm Chamfer dimension d1 29. 2 mm Outside diameter of inner ring D1 22. 2 mm Bore diameter of outer ring Cr 4400 N Basic dynamic load rating C0r 2470 N Basic static load rating Grease 22000 min 1 Grease lubrication da (min.) 22 mm Diameter of shaft abutment (min) da (max.) 22 mm Diameter of shaft abutment Da (max.) 30 mm Diameter of housing abutment ra (max.) 0. 3 mm