Однорядный цилиндрический роликоподшипник NSK NU230EMC4

Описание

Boundary Dimensions d 150 mm Bore diameter D 270 mm Outside diameter B 45 mm Width FW 182 mm Raceway diameter of inner ring r (min.) 3 mm Chamfer dimension r1 (min.) 3 mm Chamfer dimension Basic Load Ratings C r 550000 N Basic dynamic load rating C 0r 595000 N Basic static load rating Speeds Thermal Speed Rating (Oil-bath) 2800 min -1 Oil-bath lubrication subject to conditions outlined in ISO 15312 Mechanical (forced-circulation oil) 4300 min -1 Properly designed and controlled forced-circulation oil lubrication Grease 2200 min -1 Grease lubrication Oil (Oil-bath) 2800 min -1 Oil-bath lubrication Abutment and Fillet Dimensions db (min.) 163 mm Diameter of shaft / spacer sleeve abutment db (max.) 177 mm Diameter of shaft / spacer sleeve abutment dc (min.) 184 mm Diameter of shaft abutment Da (max.) 257 mm Diameter of housing abutment ra (max.) 2.5 mm Radius of shaft or housing fillet rb (max.) 2.5 mm Radius of shaft or housing fillet Mass Mass approx. 11.6 kg Mass approx.