Высокоточный радиально-упорный шарикоподшипник NSK Standard Series 7948A5TRSULP5

Описание

Boundary Dimensions d 240 mm Bore diameter D 320 mm Outside diameter B 38 mm Width r(min.) 2.1 mm Chamfer Dimension r1(min.) 1.1 mm Chamfer Dimension Basic Load Ratings C r 198 kN Basic Dynamic Load Rating C 0r 270 kN Basic Static Load Rating Speeds Grease 3300 min -1 Limiting Speed Oil (Oil-air) 5000 min -1 Limiting Speed Dimensions A5: 25° Contact Angle a 84.3 mm Effective Load Center Abutment and Fillet Dimensions da(min.) 252 mm Diameter of Shaft Abutment Da(max.) 308 mm Diameter of Housing Abutment Db(max.) 313 mm Diameter of Housing Abutment ra(max.) 2 mm Radius of Shaft or Housing Fillet rb(max.) 1 mm Radius of Shaft or Housing Fillet Performance Pa 195 kN Permissible Axial Load Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity Measured axial clearance EL 1385N 511N/μm -12μm L 2860N 664N/μm -22μm M 6622N 913N/μm -41μm H 13265N 1208N/μm -66μm Additional information 41 g/brg Recommended Grease Quantities Mass 8.30 kg Mass(approx.)