Сверхскоростной высокоточный радиально-упорный шарикоподшипник NSK ROBUST Series 45BER19STSUMP4

Описание

Boundary Dimensions BER: 25° Bearing Type d 45 mm Bore diameter D 68 mm Outside diameter B 12 mm Width r(min.) 0.6 mm Chamfer Dimension r1(min.) 0.3 mm Chamfer Dimension Basic Load Ratings C r 14.7 kN Basic Dynamic Load Rating C 0r 8.35 kN Basic Static Load Rating Speeds Grease 21300 min -1 Limiting Speed Oil (Oil-air) 30100 min -1 Limiting Speed Dimensions 25° Contact Angle a 19.2 mm Effective Load Center Abutment and Fillet Dimensions da(min.) 50 mm Diameter of Shaft Abutment Da(max.) 63 mm Diameter of Housing Abutment Db(max.) 65.5 mm Diameter of Housing Abutment ra(max.) 0.6 mm Radius of Shaft or Housing Fillet rb(max.) 0.3 mm Radius of Shaft or Housing Fillet Performance Pa 14.6 kN Permissible Axial Load Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity Measured axial clearance EL 49N 68N/μm 0μm L 237N 117N/μm -8μm M 473N 151N/μm -15μm Additional information 0.77 g/brg Recommended Grease Quantities Mass 0.125 kg Mass(approx.)