Конический роликоподшипник NSK 644/632, дюймовый

Описание

Boundary Dimensions d 71.438 mm Bore diameter D 136.525 mm Outside diameter T 41.275 mm Total width B 41.275 mm Width of inner ring C 31.75 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 239000 N Basic dynamic load rating C 0r 263000 N Basic static load rating Speeds Grease 2800 min -1 Grease lubrication Oil (Oil-bath) 3800 min -1 Oil-bath lubrication Dimensions a 29.9 mm Effective load center Abutment and Fillet Dimensions da 87 mm Diameter of shaft abutment Da 118 mm Diameter of housing abutment db 81 mm Diameter of shaft abutment Db 125 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 0.36 Constant Y0 0.91 Axial load Factors Y1 1.7 Axial load Factors Mass Mass approx. 1.5 kg Mass approx.(Cone) Mass approx. 1.04 kg Mass approx.(Cup)