6817 ddu nsk6817DDU d 85 mm Bore diameter D 110 mm Outside diameter B 13 mm Width r (min.) 1 mm Chamfer dimension Cr 20600 N Basic dynamic load rating C0r 20000 N Basic static load rating Grease 3200 min 1 Grease lubrication da (min.) 90 mm Diameter of shaft abutment (min) da (max.) 90. 5 mm Diameter of shaft abutment Da (max.) 105 mm Diameter of housing abutment ra (max.) 1 mm Radius of shaft or housing fillet fo 17. 1 Factor z 23 Number of Balls Dw 7. 144 mm