7207 bw nsk7207BW d 35 mm Bore diameter D 72 mm Outside diameter B 17 mm Width r (min.) 1. 1 mm Chamfer dimension r1 (min.) 0. 6 mm Chamfer dimension Cr 29800 N Basic dynamic load rating C0r 18400 N Basic static load rating Grease 6000 min 1 Grease lubrication Oil (Oil bath) 8000 min 1 Oil bath lubrication a 30. 9 mm Effective load center da (min.) 42 mm Diameter of shaft abutment (min) Da (max.) 65 mm Diameter of housing abutment ra (max.) 1 mm Radius of shaft