Однорядный цилиндрический роликоподшипник NSK NJ2340EMCM

Описание

Boundary Dimensions d 200 mm Bore diameter D 420 mm Outside diameter B 138 mm Width FW 253 mm Raceway diameter of inner ring r (min.) 5 mm Chamfer dimension r1 (min.) 5 mm Chamfer dimension Basic Load Ratings C r 2350000 N Basic dynamic load rating C 0r 2760000 N Basic static load rating Speeds Thermal Speed Rating (Oil-bath) 1300 min -1 Oil-bath lubrication subject to conditions outlined in ISO 15312 Mechanical (forced-circulation oil) 1900 min -1 Properly designed and controlled forced-circulation oil lubrication Grease 1200 min -1 Grease lubrication Oil (Oil-bath) 1500 min -1 Oil-bath lubrication Abutment and Fillet Dimensions db (min.) 220 mm Diameter of shaft / spacer sleeve abutment db (max.) 247 mm Diameter of shaft / spacer sleeve abutment dd (min.) 283 mm Diameter of shaft abutment Da (max.) 400 mm Diameter of housing abutment ra (max.) 4 mm Radius of shaft or housing fillet Mass Mass approx. 99.4 kg Mass approx.