6809vvcm Nsk6809VV d 45 mm Bore diameter D 58 mm Outside diameter B 7 mm Width r (min.) 0. 3 mm Chamfer dimension d1 55. 3 mm Outside diameter of inner ring D1 47. 6 mm Bore diameter of outer ring Cr 7250 N Basic dynamic load rating C0r 6150 N Basic static load rating Grease 11000 min 1 Grease lubrication da (min.) 47 mm Diameter of shaft abutment (min) da (max.) 47. 5 mm Diameter of shaft abutment Da (max.) 56 mm Diameter of housing abutment ra (max.) 0. 3 mm