Высокоточный радиально-упорный шарикоподшипник NSK Standard Series 7972A5SUMP4

Описание

Boundary Dimensions d 360 mm Bore diameter D 480 mm Outside diameter B 56 mm Width r(min.) 3 mm Chamfer Dimension r1(min.) 1.1 mm Chamfer Dimension Basic Load Ratings C r 345 kN Basic Dynamic Load Rating C 0r 615 kN Basic Static Load Rating Speeds Grease 2200 min -1 Limiting Speed Oil (Oil-air) 3400 min -1 Limiting Speed Dimensions A5: 25° Contact Angle a 125.9 mm Effective Load Center Abutment and Fillet Dimensions da(min.) 374 mm Diameter of Shaft Abutment Da(max.) 446 mm Diameter of Housing Abutment Db(max.) 473 mm Diameter of Housing Abutment ra(max.) 2.5 mm Radius of Shaft or Housing Fillet rb(max.) 1 mm Radius of Shaft or Housing Fillet Performance Pa 450 kN Permissible Axial Load Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity EL 3256N 765N/μm L 6797N 999N/μm M 14379N 1326N/μm H 27326N 1714N/μm Mass 28 kg Mass(approx.)