Спаренный радиально-упорный шарикоподшипник NSK 7228ADB

Описание

Boundary Dimensions d 140 mm Bore diameter D 250 mm Outside diameter 2B 84 mm Width 2B r (min.) 3 mm Chamfer dimension r1 (min.) 1.1 mm Chamfer dimension Basic Load Ratings C r 390000 N Basic dynamic load rating C 0r 470000 N Basic static load rating Speeds Grease 1800 min -1 Grease lubrication Oil (Oil-bath) 2400 min -1 Oil-bath lubrication Dimensions a0 154.6 mm Load center spacings Abutment and Fillet Dimensions da (min.) 154 mm Diameter of shaft abutment rb (max.) 1 mm Radius of fillet Db (max.) 243 mm Diameter of housing abutment ra (max.) 2.5 mm Radius of shaft or housing fillet Mass Mass approx. 17.84 kg Mass approx.