Высокоточный радиально-упорный шарикоподшипник NSK Standard Series 7228CTRSUELP4Y

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 250 kN Basic Dynamic Load Rating C 0r 254 kN Basic Static Load Rating Speeds Grease 5900 min -1 Limiting Speed Oil (Oil-air) 9000 min -1 Limiting Speed Dimensions C: 15° Contact Angle a 47.1 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 172 kN Permissible Axial Load Calculation factors f0 14.8 Factor Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity Measured axial clearance EL 910N 150N/μm -24μm L 1832N 200N/μm -45μm M 4081N 286N/μm -82μm H 8296N 404N/μm -131μm Additional information 39 g/brg Recommended Grease Quantities Mass 7.91 kg Mass(approx.)