Высокоточный радиально-упорный шарикоподшипник NSK Standard Series 7228A5TRSULP5

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 238 kN Basic Dynamic Load Rating C 0r 242 kN Basic Static Load Rating Speeds Grease 5200 min -1 Limiting Speed Oil (Oil-air) 7700 min -1 Limiting Speed Dimensions A5: 25° Contact Angle a 66.5 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 194 kN Permissible Axial Load Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity Measured axial clearance EL 1499N 376N/μm -18μm L 3010N 484N/μm -32μm M 6731N 657N/μm -58μm H 13407N 867N/μm -93μm Additional information 39 g/brg Recommended Grease Quantities Mass 7.91 kg Mass(approx.)