Высокоточный радиально-упорный шарикоподшипник NSK Standard Series 7221ATYNSUMP4

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 157 kN Basic Dynamic Load Rating C 0r 132 kN Basic Static Load Rating SpeedsThe limiting speeds of the ball guided cage is lower than the outer ring guided cage. Grease 5000 min -1 Limiting Speed Oil (Oil-air) 6700 min -1 Limiting Speed Dimensions A: 30° Contact Angle a 60.6 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 85.0 kN Permissible Axial Load Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity Measured axial clearance EL 368N 260N/μm -5μm L 2298N 493N/μm -25μm M 5208N 666N/μm -45μm H 8924N 818N/μm -65μm Additional information 21 g/brg Recommended Grease Quantities Mass 3.82 kg Mass(approx.)