Высокоточный радиально-упорный шарикоподшипник NSK Standard Series 7921CSN24TRSULP3

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 51.0 kN Basic Dynamic Load Rating C 0r 54.5 kN Basic Static Load Rating Speeds Grease 12000 min -1 Limiting Speed Oil (Oil-air) 18300 min -1 Limiting Speed Dimensions C: 15° Contact Angle a 26.7 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 40.8 kN Permissible Axial Load Calculation factors f0 16.6 Factor Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity Measured axial clearance EL 206N 98N/μm -5μm L 437N 133N/μm -13μm M 1009N 193N/μm -27μm H 2058N 274N/μm -45μm Additional information 4.8 g/brg Recommended Grease Quantities Mass 0.729 kg Mass(approx.)