1220 k nsk1220K d 100 mm Bore diameter D 180 mm Outside diameter B 34 mm Width r (min.) 2. 1 mm Chamfer dimension Cr 76500 N Basic dynamic load rating C0r 29700 N Basic static load rating Grease 3200 min 1 Grease lubrication Oil (Oil bath) 3800 min 1 Oil bath lubrication da (min.) 111 mm Diameter of shaft abutment (min) Da (max.) 169 mm Diameter of housing abutment ra (max.) 2 mm Radius of shaft or housing fillet e 0. 17 Constant Y2 5. 6 Axial load Factors Y3