Высокоточный радиально-упорный шарикоподшипник NSK Standard Series 7228ASUHP5

Описание

Boundary Dimensions d 140 mm Bore diameter D 250 mm Outside diameter B 42 mm Width r(min.) 3 mm Chamfer Dimension r1(min.) 1.1 mm Chamfer Dimension Basic Load Ratings C r 275 kN Basic Dynamic Load Rating C 0r 234 kN Basic Static Load Rating Speeds Grease 3900 min -1 Limiting Speed Oil (Oil-air) 5200 min -1 Limiting Speed Dimensions A: 30° Contact Angle a 77.3 mm Effective Load Center Abutment and Fillet Dimensions da(min.) 154 mm Diameter of Shaft Abutment Da(max.) 236 mm Diameter of Housing Abutment Db(max.) 243 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 150 kN Permissible Axial Load Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity Measured axial clearance EL 573N 352N/μm -5μm L 4992N 751N/μm -36μm M 11447N 1022N/μm -65μm H 15522N 1149N/μm -80μm Additional information 39 g/brg Recommended Grease Quantities Mass 7.97 kg Mass(approx.)