Высокоточный радиально-упорный шарикоподшипник NSK Standard Series 7904CTRSUHP4Y

Описание

Boundary Dimensions d 20 mm Bore diameter D 37 mm Outside diameter B 9 mm Width r(min.) 0.3 mm Chamfer Dimension r1(min.) 0.15 mm Chamfer Dimension Basic Load Ratings C r 7.30 kN Basic Dynamic Load Rating C 0r 4.25 kN Basic Static Load Rating Speeds Grease 40400 min -1 Limiting Speed Oil (Oil-air) 61500 min -1 Limiting Speed Dimensions C: 15° Contact Angle a 8.3 mm Effective Load Center Abutment and Fillet Dimensions da(min.) 22.5 mm Diameter of Shaft Abutment Da(max.) 34.5 mm Diameter of Housing Abutment Db(max.) 35.8 mm Diameter of Housing Abutment ra(max.) 0.3 mm Radius of Shaft or Housing Fillet rb(max.) 0.15 mm Radius of Shaft or Housing Fillet Performance Pa 3.20 kN Permissible Axial Load Calculation factors f0 14.9 Factor Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity Measured axial clearance EL 20N 19N/μm 1μm L 42N 26N/μm -3μm M 80N 35N/μm -8μm H 152N 48N/μm -15μm Additional information 0.21 g/brg Recommended Grease Quantities Mass 0.036 kg Mass(approx.)