Высокоскоростной упорно-радиальный шарикоподшипник NSK ROBUST Series 55BTR10ETYNDBLP4A

Описание

Boundary Dimensions BTR: 40° Bearing Type d 55 mm Bore diameter D 90 mm Outside diameter 2B 33 mm Assembled Width r(min.) 1.1 mm Chamfer Dimension r1(min.) 0.6 mm Chamfer Dimension Basic Load Ratings C a 27.2 kN Basic Dynamic Load Rating C 0a 40.0 kN Basic Static Load Rating SpeedsThe limiting speeds of the ball guided cage is lower than the outer ring guided cage. Oil (Oil-air) 9000 min -1 Limiting Speed (L-Preload) Grease 7000 min -1 Limiting Speed (L-Preload) Oil (Oil-air) 10600 min -1 Limiting Speed (EL-Preload) Grease 8200 min -1 Limiting Speed (EL-Preload) Dimensions 40° Contact Angle a 38.3 mm Effective Load Center Abutment and Fillet Dimensions da(min.) 62 mm Diameter of Shaft Abutment Db(max.) 85 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 23.6 kN Permissible Axial Load Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity Measured axial clearance EL 349N 307N/μm -5μm L 800N 409N/μm -10μm Additional information 1.6 g/brg Recommended Grease Quantities Mass 0.390 kg Mass(approx.)