Однорядный цилиндрический роликоподшипник NSK NU2220EM

Описание

Boundary Dimensions d 100 mm Bore diameter D 180 mm Outside diameter B 46 mm Width FW 119 mm Raceway diameter of inner ring r (min.) 2.1 mm Chamfer dimension r1 (min.) 2.1 mm Chamfer dimension Basic Load Ratings C r 410000 N Basic dynamic load rating C 0r 445000 N Basic static load rating Speeds Thermal Speed Rating (Oil-bath) 4300 min -1 Oil-bath lubrication subject to conditions outlined in ISO 15312 Mechanical (forced-circulation oil) 5600 min -1 Properly designed and controlled forced-circulation oil lubrication Grease 3200 min -1 Grease lubrication Oil (Oil-bath) 3800 min -1 Oil-bath lubrication Abutment and Fillet Dimensions db (min.) 111 mm Diameter of shaft / spacer sleeve abutment db (max.) 116 mm Diameter of shaft / spacer sleeve abutment dc (min.) 122 mm Diameter of shaft abutment Da (max.) 169 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. 5.23 kg Mass approx.