Высокоточный радиально-упорный шарикоподшипник NSK Standard Series 7230A5TRSUMP4

Описание

Boundary Dimensions d 150 mm Bore diameter D 270 mm Outside diameter B 45 mm Width r(min.) 3 mm Chamfer Dimension r1(min.) 1.1 mm Chamfer Dimension Basic Load Ratings C r 270 kN Basic Dynamic Load Rating C 0r 290 kN Basic Static Load Rating Speeds Grease 4800 min -1 Limiting Speed Oil (Oil-air) 7200 min -1 Limiting Speed Dimensions A5: 25° Contact Angle a 71.5 mm Effective Load Center Abutment and Fillet Dimensions da(min.) 164 mm Diameter of Shaft Abutment Da(max.) 256 mm Diameter of Housing Abutment Db(max.) 263 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 231 kN Permissible Axial Load Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity Measured axial clearance EL 1854N 417N/μm -21μm L 3642N 533N/μm -36μm M 8044N 720N/μm -64μm H 16467N 961N/μm -104μm Additional information 49 g/brg Recommended Grease Quantities Mass 11 kg Mass(approx.)