Service et entretien des installations EUROWATER 6211DDUCM NSK. 6211DDU d 55 mm Bore diameter D 100 mm Outside diameter B 21 mm Width r (min.) 1. 5 mm Chamfer dimension Cr 47500 N Basic dynamic load rating C0r 29300 N Basic static load rating Grease 4300 min 1 Grease lubrication da (min.) 63 mm Diameter of shaft abutment (min) da (max.) 66. 5 mm Diameter of shaft abutment Da (max.) 92 mm Diameter of housing abutment ra (max.) 1. 5 mm Radius of shaft or housing fillet fo 14. 3 Factor z 10 Number of Balls Dw 14. 288 mm Ball Diameter (mm) Mass approx. 0. 619 kg Mass approx.