7211 bw nsk7211BW d 55 mm Bore diameter D 100 mm Outside diameter B 21 mm Width r (min.) 1. 5 mm Chamfer dimension r1 (min.) 1 mm Chamfer dimension Cr 51000 N Basic dynamic load rating C0r 36000 N Basic static load rating Grease 4000 min 1 Grease lubrication Oil (Oil bath) 5600 min 1 Oil bath lubrication a 43 mm Effective load center da (min.) 64 mm Diameter of shaft abutment (min) Da (max.) 91 mm Diameter of housing abutment ra (max.) 1. 5 mm Radius of shaft or