Конический роликоподшипник NSK 17887/17831, дюймовый

Описание

Boundary Dimensions d 45.23 mm Bore diameter D 79.985 mm Outside diameter T 19.842 mm Total width B 20.638 mm Width of inner ring C 15.08 mm Width of outer ring Cup r (min.) 1.3 mm Chamfer dimension of outer ring (Cup) Cone r (min.) 2 mm Chamfer dimension of inner ring (Cone) Basic Load Ratings C r 76000 N Basic dynamic load rating C 0r 78500 N Basic static load rating Speeds Grease 4500 min -1 Grease lubrication Oil (Oil-bath) 6000 min -1 Oil-bath lubrication Dimensions a 15.9 mm Effective load center Abutment and Fillet Dimensions da 57 mm Diameter of shaft abutment Da 68 mm Diameter of housing abutment db 52 mm Diameter of shaft abutment Db 74 mm Diameter of housing abutment ra (max.) 2 mm Radius of shaft or housing fillet of inner ring ra (max.) 1.3 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. 0.274 kg Mass approx.(Cone) Mass approx. 0.136 kg Mass approx.(Cup)