7303 bw nsk7303BW d 17 mm Bore diameter D 47 mm Outside diameter B 14 mm Width r (min.) 1 mm Chamfer dimension r1 (min.) 0. 6 mm Chamfer dimension Cr 16300 N Basic dynamic load rating C0r 8000 N Basic static load rating Grease 10000 min 1 Grease lubrication Oil (Oil bath) 14000 min 1 Oil bath lubrication a 20. 4 mm Effective load center da (min.) 23 mm Diameter of shaft abutment (min) Da (max.) 41 mm Diameter of housing abutment ra (max.) 1 mm Radius of shaft or