Высокоточный радиально-упорный шарикоподшипник NSK Standard Series 7948CSN24TRSUHP3

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 201 kN Basic Dynamic Load Rating C 0r 274 kN Basic Static Load Rating Speeds Grease 5000 min -1 Limiting Speed Oil (Oil-air) 7800 min -1 Limiting Speed Dimensions C: 15° Contact Angle a 56.5 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 197 kN Permissible Axial Load Calculation factors f0 16.8 Factor Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity Measured axial clearance EL 1004N 243N/μm -17μm L 2072N 326N/μm -32μm M 4769N 473N/μm -59μm H 9589N 664N/μm -93μm Additional information 41 g/brg Recommended Grease Quantities Mass 7.29 kg Mass(approx.)