Высокоточный радиально-упорный шарикоподшипник NSK Standard Series 7968ASUMP4

Описание

Boundary Dimensions d 340 mm Bore diameter D 460 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 330 kN Basic Dynamic Load Rating C 0r 565 kN Basic Static Load Rating Speeds Grease 1700 min -1 Limiting Speed Oil (Oil-air) 2300 min -1 Limiting Speed Dimensions A: 30° Contact Angle a 143.5 mm Effective Load Center Abutment and Fillet Dimensions da(min.) 354 mm Diameter of Shaft Abutment Da(max.) 446 mm Diameter of Housing Abutment Db(max.) 453 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 335 kN Permissible Axial Load Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity EL 1863N 804N/μm L 9190N 1407N/μm M 18955N 1836N/μm H 39276N 2429N/μm Mass 27 kg Mass(approx.)