Высокоточный радиально-упорный шарикоподшипник NSK Standard Series 7948CTRSUELP4Y

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 210 kN Basic Dynamic Load Rating C 0r 286 kN Basic Static Load Rating Speeds Grease 3800 min -1 Limiting Speed Oil (Oil-air) 5900 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 166 kN Permissible Axial Load Calculation factors f0 16.8 Factor Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity Measured axial clearance EL 902N 210N/μm -17μm L 1822N 280N/μm -32μm M 4129N 403N/μm -59μm H 8237N 565N/μm -93μm Additional information 41 g/brg Recommended Grease Quantities Mass 8.30 kg Mass(approx.)