Конический роликоподшипник NSK 3490/3420, дюймовый

Описание

Boundary Dimensions d 38.1 mm Bore diameter D 79.375 mm Outside diameter T 29.37 mm Total width B 29.771 mm Width of inner ring C 23.812 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 108000 N Basic dynamic load rating C 0r 106000 N Basic static load rating Speeds Grease 4800 min -1 Grease lubrication Oil (Oil-bath) 6700 min -1 Oil-bath lubrication Dimensions a 20 mm Effective load center Abutment and Fillet Dimensions da 52 mm Diameter of shaft abutment Da 67 mm Diameter of housing abutment db 45.5 mm Diameter of shaft abutment Db 74 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 0.37 Constant Y0 0.9 Axial load Factors Y1 1.6 Axial load Factors Mass Mass approx. 0.404 kg Mass approx.(Cone) Mass approx. 0.259 kg Mass approx.(Cup)