Конический роликоподшипник NSK 749A/742, дюймовый

Описание

Boundary Dimensions d 82.55 mm Bore diameter D 150.089 mm Outside diameter T 44.45 mm Total width B 46.672 mm Width of inner ring C 36.512 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 325000 N Basic dynamic load rating C 0r 370000 N Basic static load rating Speeds Grease 2400 min -1 Grease lubrication Oil (Oil-bath) 3200 min -1 Oil-bath lubrication Dimensions a 32.5 mm Effective load center Abutment and Fillet Dimensions da 98 mm Diameter of shaft abutment Da 135 mm Diameter of housing abutment db 93 mm Diameter of shaft abutment Db 143 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 0.33 Constant Y0 1 Axial load Factors Y1 1.8 Axial load Factors Mass Mass approx. 2.26 kg Mass approx.(Cone) Mass approx. 1.07 kg Mass approx.(Cup)