Сверхскоростной высокоточный радиально-упорный шарикоподшипник NSK ROBUST Series 55BER19HTSULP4Y

Описание

Boundary Dimensions BER: 25° Bearing Type d 55 mm Bore diameter D 80 mm Outside diameter B 13 mm Width BN 2.8 mm SN 7.5 mm SB 1.4 mm r(min.) 1 mm Chamfer Dimension r1(min.) 0.6 mm Chamfer Dimension Basic Load Ratings C r 17.3 kN Basic Dynamic Load Rating C 0r 10.4 kN Basic Static Load Rating Speeds Grease 23800 min -1 Limiting Speed Oil (Oil-air) 37100 min -1 Limiting Speed Dimensions 25° Contact Angle a 22.2 mm Effective Load Center Abutment and Fillet Dimensions da(min.) 61 mm Diameter of Shaft Abutment Da(max.) 74 mm Diameter of Housing Abutment Db(max.) 75 mm Diameter of Housing Abutment ra(max.) 1 mm Radius of Shaft or Housing Fillet rb(max.) 0.5 mm Radius of Shaft or Housing Fillet Performance Pa 12.9 kN Permissible Axial Load Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity Measured axial clearance EL 49N 85N/μm 0μm L 296N 158N/μm -8μm M 615N 206N/μm -15μm Additional information 1.1 g/brg Recommended Grease Quantities Mass 0.158 kg Mass(approx.)