Конический роликоподшипник NSK 74550/74850, дюймовый

Описание

Boundary Dimensions d 139.7 mm Bore diameter D 215.9 mm Outside diameter T 47.625 mm Total width B 47.625 mm Width of inner ring C 34.925 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 355000 N Basic dynamic load rating C 0r 495000 N Basic static load rating Speeds Grease 1500 min -1 Grease lubrication Oil (Oil-bath) 2000 min -1 Oil-bath lubrication Dimensions a 48.4 mm Effective load center Abutment and Fillet Dimensions da 158 mm Diameter of shaft abutment Da 196 mm Diameter of housing abutment db 151 mm Diameter of shaft abutment Db 208 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 0.49 Constant Y0 0.68 Axial load Factors Y1 1.2 Axial load Factors Mass Mass approx. 3.93 kg Mass approx.(Cone) Mass approx. 1.99 kg Mass approx.(Cup)