Однорядный цилиндрический роликоподшипник NSK NU2311EM

Описание

Boundary Dimensions d 55 mm Bore diameter D 120 mm Outside diameter B 43 mm Width FW 70.5 mm Raceway diameter of inner ring r (min.) 2 mm Chamfer dimension r1 (min.) 2 mm Chamfer dimension Basic Load Ratings C r 247000 N Basic dynamic load rating C 0r 233000 N Basic static load rating Speeds Thermal Speed Rating (Oil-bath) 6000 min -1 Oil-bath lubrication subject to conditions outlined in ISO 15312 Mechanical (forced-circulation oil) 9000 min -1 Properly designed and controlled forced-circulation oil lubrication Grease 4500 min -1 Grease lubrication Oil (Oil-bath) 5600 min -1 Oil-bath lubrication Abutment and Fillet Dimensions db (min.) 64 mm Diameter of shaft / spacer sleeve abutment db (max.) 68 mm Diameter of shaft / spacer sleeve abutment dc (min.) 72 mm Diameter of shaft abutment Da (max.) 111 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. 2.48 kg Mass approx.