Конический роликоподшипник NSK 2789/2720, дюймовый

Описание

Boundary Dimensions d 39.688 mm Bore diameter D 76.2 mm Outside diameter T 23.812 mm Total width B 25.654 mm Width of inner ring C 19.05 mm Width of outer ring Cup r (min.) 3.3 mm Chamfer dimension of outer ring (Cup) Cone r (min.) 3.5 mm Chamfer dimension of inner ring (Cone) Basic Load Ratings C r 90500 N Basic dynamic load rating C 0r 91000 N Basic static load rating Speeds Grease 5000 min -1 Grease lubrication Oil (Oil-bath) 6700 min -1 Oil-bath lubrication Dimensions a 15.9 mm Effective load center Abutment and Fillet Dimensions da 52 mm Diameter of shaft abutment Da 66 mm Diameter of housing abutment db 45 mm Diameter of shaft abutment Db 70 mm Diameter of housing abutment ra (max.) 3.5 mm Radius of shaft or housing fillet of inner ring ra (max.) 3.3 mm Radius of shaft or housing fillet of outer ring Calculation factors e 0.3 Constant Y0 1.1 Axial load Factors Y1 2 Axial load Factors Mass Mass approx. 0.292 kg Mass approx.(Cone) Mass approx. 0.187 kg Mass approx.(Cup)