Высокоточный радиально-упорный шарикоподшипник NSK Standard Series 7268ASUMP4

Описание

Boundary Dimensions d 340 mm Bore diameter D 620 mm Outside diameter B 92 mm Width r(min.) 6 mm Chamfer Dimension r1(min.) 3 mm Chamfer Dimension Basic Load Ratings C r 675 kN Basic Dynamic Load Rating C 0r 1260 kN Basic Static Load Rating Speeds Grease 1400 min -1 Limiting Speed Oil (Oil-air) 1900 min -1 Limiting Speed Dimensions A: 30° Contact Angle a 184.6 mm Effective Load Center Abutment and Fillet Dimensions da(min.) 368 mm Diameter of Shaft Abutment Da(max.) 592 mm Diameter of Housing Abutment Db(max.) 606 mm Diameter of Housing Abutment ra(max.) 5 mm Radius of Shaft or Housing Fillet rb(max.) 2.5 mm Radius of Shaft or Housing Fillet Performance Pa 780 kN Permissible Axial Load Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity EL 4293N 998N/μm L 22810N 1793N/μm M 61387N 2590N/μm H 95407N 3075N/μm Mass 128 kg Mass(approx.)