Высокоскоростной упорно-радиальный шарикоподшипник NSK ROBUST Series 220BTR10SMYDBLP4A

Описание

Boundary Dimensions BTR: 40° Bearing Type d 220 mm Bore diameter D 340 mm Outside diameter 2B 108 mm Assembled Width r(min.) 3 mm Chamfer Dimension r1(min.) 1.1 mm Chamfer Dimension Basic Load Ratings C a 282 kN Basic Dynamic Load Rating C 0a 575 kN Basic Static Load Rating Speeds Oil (Oil-air) 2700 min -1 Limiting Speed (L-Preload) Grease 2000 min -1 Limiting Speed (L-Preload) Oil (Oil-air) 2700 min -1 Limiting Speed (EL-Preload) Grease 2000 min -1 Limiting Speed (EL-Preload) Dimensions 40° Contact Angle a 144.5 mm Effective Load Center Abutment and Fillet Dimensions da(min.) 234 mm Diameter of Shaft Abutment Db(max.) 333 mm Diameter of Housing Abutment ra(max.) 2.5 mm Radius of Shaft or Housing Fillet rb(max.) 1 mm Radius of Shaft or Housing Fillet Performance Pa 305 kN Permissible Axial Load Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity Measured axial clearance EL 905N 695N/μm -5μm L 8208N 1468N/μm -31μm Additional information 66 g/brg Recommended Grease Quantities Mass 18.5 kg Mass(approx.)