Двухрядный цилиндрический роликоподшипник NSK NNU4960

Описание

Boundary Dimensions d 300 mm Bore diameter D 420 mm Outside diameter B 118 mm Width FW 336 mm Raceway diameter of inner ring r (min.) 3 mm Chamfer dimension Basic Load Ratings C r 1510000 N Basic dynamic load rating C 0r 2870000 N Basic static load rating Speeds Grease 1200 min -1 Grease lubrication Oil (Oil-bath) 1500 min -1 Oil-bath lubrication Abutment and Fillet Dimensions da (min.) 313 mm Diameter of shaft abutment da (max.) 335 mm Diameter of shaft abutment dc (min.) 343 mm Diameter of shaft abutment d1a (min.) 318 mm Diameter of spacer sleeve abutment Da (max.) 407 mm Diameter of housing abutment ra (max.) 2.5 mm Radius of shaft or housing fillet Mass Mass approx. 51.8 kg Mass approx.