Конический роликоподшипник NSK HR31328J, метрический

Описание

Dimension series ISO 7GB ISO355 dimension series approx. Boundary Dimensions d 140 mm Bore diameter D 300 mm Outside diameter T 77 mm Total width B 70 mm Width of inner ring C 47 mm Width of outer ring Cup r (min.) 4 mm Chamfer dimension of outer ring (Cup) Cone r (min.) 5 mm Chamfer dimension of inner ring (Cone) Basic Load Ratings C r 855000 N Basic dynamic load rating C 0r 955000 N Basic static load rating Speeds Grease 1100 min -1 Grease lubrication Oil (Oil-bath) 1500 min -1 Oil-bath lubrication Dimensions a 92.8 mm Effective load center Abutment and Fillet Dimensions da (min.) 184 mm Diameter of shaft abutment Db (min.) 280 mm Diameter of housing abutment Da (min.) 236 mm Diameter of housing abutment Da (max.) 282 mm Diameter of housing abutment Sa 9 mm Minimum width of space required in housing on large side face Sb 30 mm Minimum width of space required in housing on small side face db (max.) 174 mm Diameter of shaft abutment ra (max.) 4 mm Radius of shaft or housing fillet of inner ring ra (max.) 3 mm Radius of shaft or housing fillet of outer ring Calculation factors e 0.83 Constant Y0 0.4 Axial load Factors Y1 0.73 Axial load Factors Mass Mass approx. 23.1 kg Mass approx.