6907dducm Nsk6907DDU d 35 mm Bore diameter D 55 mm Outside diameter B 10 mm Width r (min.) 0. 6 mm Chamfer dimension d1 50. 5 mm Outside diameter of inner ring D1 39. 2 mm Bore diameter of outer ring Cr 11600 N Basic dynamic load rating C0r 7250 N Basic static load rating Grease 7500 min 1 Grease lubrication da (min.) 39 mm Diameter of shaft abutment (min) da (max.) 39 mm Diameter of shaft abutment Da (max.) 51 mm Diameter of housing abutment ra (max.) 0. 6 mm