Высокоточный радиально-упорный шарикоподшипник NSK Standard Series 7221CTRSUELP4Y

Описание

Boundary Dimensions d 105 mm Bore diameter D 190 mm Outside diameter B 36 mm Width r(min.) 2.1 mm Chamfer Dimension r1(min.) 1.1 mm Chamfer Dimension Basic Load Ratings C r 171 kN Basic Dynamic Load Rating C 0r 143 kN Basic Static Load Rating Speeds Grease 7800 min -1 Limiting Speed Oil (Oil-air) 11900 min -1 Limiting Speed Dimensions C: 15° Contact Angle a 37.7 mm Effective Load Center Abutment and Fillet Dimensions da(min.) 117 mm Diameter of Shaft Abutment Da(max.) 178 mm Diameter of Housing Abutment Db(max.) 183 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 97.5 kN Permissible Axial Load Calculation factors f0 14.5 Factor Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity Measured axial clearance EL 540N 108N/μm -21μm L 1077N 144N/μm -38μm M 2651N 216N/μm -73μm H 5311N 304N/μm -114μm Additional information 21 g/brg Recommended Grease Quantities Mass 3.78 kg Mass(approx.)