Однорядный цилиндрический роликоподшипник NSK NF248M

Описание

Boundary Dimensions d 240 mm Bore diameter D 440 mm Outside diameter B 72 mm Width EW 385 mm Raceway diameter of outer ring r (min.) 4 mm Chamfer dimension r1 (min.) 4 mm Chamfer dimension Basic Load Ratings C r 1150000 N Basic dynamic load rating C 0r 1340000 N Basic static load rating Speeds Thermal Speed Rating (Oil-bath) 1600 min -1 Oil-bath lubrication subject to conditions outlined in ISO 15312 Grease 1300 min -1 Grease lubrication Oil (Oil-bath) 1600 min -1 Oil-bath lubrication Abutment and Fillet Dimensions da (min.) 256 mm Diameter of shaft abutment Db (min.) 392 mm Diameter of housing abutment Da (max.) 424 mm Diameter of housing abutment Db (max.) 424 mm Diameter of housing abutment ra (max.) 3 mm Radius of shaft or housing fillet rb (max.) 3 mm Radius of shaft or housing fillet Mass Mass approx. 51.1 kg Mass approx.