Однорядный цилиндрический роликоподшипник NSK NU308EMC4

Описание

Boundary Dimensions d 40 mm Bore diameter D 90 mm Outside diameter B 23 mm Width FW 52 mm Raceway diameter of inner ring r (min.) 1.5 mm Chamfer dimension r1 (min.) 1.5 mm Chamfer dimension Basic Load Ratings C r 102000 N Basic dynamic load rating C 0r 81500 N Basic static load rating Speeds Thermal Speed Rating (Oil-bath) 7500 min -1 Oil-bath lubrication subject to conditions outlined in ISO 15312 Mechanical (forced-circulation oil) 14000 min -1 Properly designed and controlled forced-circulation oil lubrication Grease 6700 min -1 Grease lubrication Oil (Oil-bath) 8000 min -1 Oil-bath lubrication Abutment and Fillet Dimensions db (min.) 48 mm Diameter of shaft / spacer sleeve abutment db (max.) 50 mm Diameter of shaft / spacer sleeve abutment dc (min.) 55 mm Diameter of shaft abutment Da (max.) 82 mm Diameter of housing abutment ra (max.) 1.5 mm Radius of shaft or housing fillet rb (max.) 1.5 mm Radius of shaft or housing fillet Mass Mass approx. 0.744 kg Mass approx.