Двухрядный цилиндрический роликоподшипник NSK NNU4956

Описание

Boundary Dimensions d 280 mm Bore diameter D 380 mm Outside diameter B 100 mm Width FW 309 mm Raceway diameter of inner ring r (min.) 2.1 mm Chamfer dimension Basic Load Ratings C r 1180000 N Basic dynamic load rating C 0r 2230000 N Basic static load rating Speeds Grease 1300 min -1 Grease lubrication Oil (Oil-bath) 1700 min -1 Oil-bath lubrication Abutment and Fillet Dimensions da (min.) 291 mm Diameter of shaft abutment da (max.) 308 mm Diameter of shaft abutment dc (min.) 315 mm Diameter of shaft abutment d1a (min.) 295 mm Diameter of spacer sleeve abutment Da (max.) 369 mm Diameter of housing abutment ra (max.) 2 mm Radius of shaft or housing fillet Mass Mass approx. 33 kg Mass approx.