Bird Egg On The Ground at Billy Mcmanus blog 6011dducm Nsk. 6011DDU d 55 mm Bore diameter D 90 mm Outside diameter B 18 mm Width r (min.) 1. 1 mm Chamfer dimension Cr 31000 N Basic dynamic load rating C0r 21200 N Basic static load rating Grease 4500 min 1 Grease lubrication da (min.) 61. 5 mm Diameter of shaft abutment (min) da (max.) 64 mm Diameter of shaft abutment Da (max.) 83. 5 mm Diameter of housing abutment ra (max.) 1 mm Radius of shaft or housing fillet fo 15. 3 Factor z 13 Number of Balls Dw 10. 319 mm Ball Diameter (mm) Mass approx. 0. 381 kg Mass approx.