Двухрядный цилиндрический роликоподшипник NSK NNU4964

Описание

Boundary Dimensions d 320 mm Bore diameter D 440 mm Outside diameter B 118 mm Width FW 356 mm Raceway diameter of inner ring r (min.) 3 mm Chamfer dimension Basic Load Ratings C r 1560000 N Basic dynamic load rating C 0r 3050000 N Basic static load rating Speeds Grease 1100 min -1 Grease lubrication Oil (Oil-bath) 1400 min -1 Oil-bath lubrication Abutment and Fillet Dimensions da (min.) 333 mm Diameter of shaft abutment da (max.) 355 mm Diameter of shaft abutment dc (min.) 363 mm Diameter of shaft abutment d1a (min.) 338 mm Diameter of spacer sleeve abutment Da (max.) 427 mm Diameter of housing abutment ra (max.) 2.5 mm Radius of shaft or housing fillet Mass Mass approx. 54.9 kg Mass approx.