Высокоточный радиально-упорный шарикоподшипник NSK Standard Series 7921A5TRSULP4Y

Описание

Boundary Dimensions d 105 mm Bore diameter D 145 mm Outside diameter B 20 mm Width r(min.) 1.1 mm Chamfer Dimension r1(min.) 0.6 mm Chamfer Dimension Basic Load Ratings C r 50.5 kN Basic Dynamic Load Rating C 0r 54.0 kN Basic Static Load Rating Speeds Grease 8000 min -1 Limiting Speed Oil (Oil-air) 12000 min -1 Limiting Speed Dimensions A5: 25° Contact Angle a 39.2 mm Effective Load Center Abutment and Fillet Dimensions da(min.) 112 mm Diameter of Shaft Abutment Da(max.) 138 mm Diameter of Housing Abutment Db(max.) 140 mm Diameter of Housing Abutment ra(max.) 1 mm Radius of Shaft or Housing Fillet rb(max.) 0.6 mm Radius of Shaft or Housing Fillet Performance Pa 41.0 kN Permissible Axial Load Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity Measured axial clearance EL 272N 203N/μm -4μm L 565N 265N/μm -9μm M 1361N 369N/μm -19μm H 2760N 491N/μm -32μm Additional information 4.8 g/brg Recommended Grease Quantities Mass 0.820 kg Mass(approx.)