Двухрядный цилиндрический роликоподшипник NSK NNU4921K

Описание

Boundary Dimensions d 105 mm Bore diameter D 145 mm Outside diameter B 40 mm Width FW 117 mm Raceway diameter of inner ring r (min.) 1.1 mm Chamfer dimension Basic Load Ratings C r 198000 N Basic dynamic load rating C 0r 315000 N Basic static load rating Speeds Grease 3800 min -1 Grease lubrication Oil (Oil-bath) 4800 min -1 Oil-bath lubrication Abutment and Fillet Dimensions da (min.) 111.5 mm Diameter of shaft abutment da (max.) 116 mm Diameter of shaft abutment dc (min.) 120 mm Diameter of shaft abutment d1a (min.) 113 mm Diameter of spacer sleeve abutment Da (max.) 138.5 mm Diameter of housing abutment ra (max.) 1 mm Radius of shaft or housing fillet Mass Mass approx. 1.99 kg Mass approx.