Двухрядный цилиндрический роликоподшипник NSK NNU4944

Описание

Boundary Dimensions d 220 mm Bore diameter D 300 mm Outside diameter B 80 mm Width FW 243 mm Raceway diameter of inner ring r (min.) 2.1 mm Chamfer dimension Basic Load Ratings C r 735000 N Basic dynamic load rating C 0r 1330000 N Basic static load rating Speeds Grease 1700 min -1 Grease lubrication Oil (Oil-bath) 2200 min -1 Oil-bath lubrication Abutment and Fillet Dimensions da (min.) 231 mm Diameter of shaft abutment da (max.) 242 mm Diameter of shaft abutment dc (min.) 248 mm Diameter of shaft abutment d1a (min.) 234 mm Diameter of spacer sleeve abutment Da (max.) 289 mm Diameter of housing abutment ra (max.) 2 mm Radius of shaft or housing fillet Mass Mass approx. 16.6 kg Mass approx.