Двухрядный цилиндрический роликоподшипник NSK NNU4952

Описание

Boundary Dimensions d 260 mm Bore diameter D 360 mm Outside diameter B 100 mm Width FW 289 mm Raceway diameter of inner ring r (min.) 2.1 mm Chamfer dimension Basic Load Ratings C r 1150000 N Basic dynamic load rating C 0r 2100000 N Basic static load rating Speeds Grease 1400 min -1 Grease lubrication Oil (Oil-bath) 1800 min -1 Oil-bath lubrication Abutment and Fillet Dimensions da (min.) 271 mm Diameter of shaft abutment da (max.) 288 mm Diameter of shaft abutment dc (min.) 295 mm Diameter of shaft abutment d1a (min.) 275 mm Diameter of spacer sleeve abutment Da (max.) 349 mm Diameter of housing abutment ra (max.) 2 mm Radius of shaft or housing fillet Mass Mass approx. 31.1 kg Mass approx.