Однорядный цилиндрический роликоподшипник NSK N221MC4

Описание

Boundary Dimensions d 105 mm Bore diameter D 190 mm Outside diameter B 36 mm Width EW 168.8 mm Raceway diameter of outer ring r (min.) 2.1 mm Chamfer dimension r1 (min.) 2.1 mm Chamfer dimension Basic Load Ratings C r 247000 N Basic dynamic load rating C 0r 241000 N Basic static load rating Speeds Thermal Speed Rating (Oil-bath) 4500 min -1 Oil-bath lubrication subject to conditions outlined in ISO 15312 Grease 3400 min -1 Grease lubrication Oil (Oil-bath) 4000 min -1 Oil-bath lubrication Abutment and Fillet Dimensions da (min.) 116 mm Diameter of shaft abutment Db (min.) 173 mm Diameter of housing abutment Db (max.) 179 mm Diameter of housing abutment ra (max.) 2 mm Radius of shaft or housing fillet rb (max.) 2 mm Radius of shaft or housing fillet Mass Mass approx. 4.43 kg Mass approx.