Высокоточный радиально-упорный шарикоподшипник NSK Standard Series 7238ASULP5

Описание

Boundary Dimensions d 190 mm Bore diameter D 340 mm Outside diameter B 55 mm Width r(min.) 4 mm Chamfer Dimension r1(min.) 1.5 mm Chamfer Dimension Basic Load Ratings C r 395 kN Basic Dynamic Load Rating C 0r 410 kN Basic Static Load Rating Speeds Grease 2500 min -1 Limiting Speed Oil (Oil-air) 3400 min -1 Limiting Speed Dimensions A: 30° Contact Angle a 104.0 mm Effective Load Center Abutment and Fillet Dimensions da(min.) 208 mm Diameter of Shaft Abutment Da(max.) 322 mm Diameter of Housing Abutment Db(max.) 331 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 261 kN Permissible Axial Load Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity Measured axial clearance EL 1520N 570N/μm -12μm L 7758N 1009N/μm -43μm M 20405N 1445N/μm -84μm H 31456N 1710N/μm -112μm Mass 22.4 kg Mass(approx.)