Высокоскоростной упорно-радиальный шарикоподшипник NSK ROBUST Series 260BTR10SMYDBELP4A

Описание

Boundary Dimensions BTR: 40° Bearing Type d 260 mm Bore diameter D 400 mm Outside diameter 2B 123 mm Assembled Width r(min.) 4 mm Chamfer Dimension r1(min.) 1.5 mm Chamfer Dimension Basic Load Ratings C a 375 kN Basic Dynamic Load Rating C 0a 870 kN Basic Static Load Rating Speeds Oil (Oil-air) 2300 min -1 Limiting Speed (L-Preload) Grease 1700 min -1 Limiting Speed (L-Preload) Oil (Oil-air) 2300 min -1 Limiting Speed (EL-Preload) Grease 1700 min -1 Limiting Speed (EL-Preload) Dimensions 40° Contact Angle a 169.2 mm Effective Load Center Abutment and Fillet Dimensions da(min.) 278 mm Diameter of Shaft Abutment Db(max.) 391 mm Diameter of Housing Abutment ra(max.) 3 mm Radius of Shaft or Housing Fillet rb(max.) 1.5 mm Radius of Shaft or Housing Fillet Performance Pa 463 kN Permissible Axial Load Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity EL 2012N 1008N/μm L 10091N 1742N/μm Additional information 103 g/brg Recommended Grease Quantities Mass 29.0 kg Mass(approx.)