Двухнаправленный упорно-радиальный шарикоподшипник NSK NSKTAC D Series 170TAC20XMYPN7+LC8

Описание

Boundary Dimensions d 170 mm Bore diameter D 260 mm Outside diameter T 108 mm Inner Ring Width C 54 mm Outer Ring Width r(min.) 2.1 mm Chamfer Dimension r1(min.) 1.1 mm Chamfer Dimension Basic Load Ratings C a 274 kN Basic Dynamic Load Rating C 0a 810 kN Basic Static Load Rating Speeds Grease 2100 min -1 Limiting Speed (C6-Preload) Oil (Oil-air) 2400 min -1 Limiting Speed (C6-Preload) Grease 1800 min -1 Limiting Speed (C7-Preload) Oil (Oil-air) 2100 min -1 Limiting Speed (C7-Preload) Grease 1500 min -1 Limiting Speed (C8-Preload) Oil (Oil-air) 1700 min -1 Limiting Speed (C8-Preload) Dimensions 60° Contact Angle Abutment and Fillet Dimensions ra(max.) 2 mm Radius of Shaft or Housing Fillet rb(max.) 1 mm Radius of Shaft or Housing Fillet da 206 mm Diameter of Shaft Abutment Da 245 mm Diameter of Housing Abutment Performance Pa 497 kN Permissible Axial Load Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity Measured axial clearance C6 2078N 1650N/μm -6μm C7 6745N 2451N/μm -15μm C8 13736N 3119N/μm -25μm Additional information 79 g/brg Recommended Grease Quantities Mass 17.6 kg Mass(approx.)