Двухнаправленный упорно-радиальный шарикоподшипник NSK NSKTAC D Series 300TAC29DMYPN7+LC6

Описание

Boundary Dimensions d 300 mm Bore diameter D 420 mm Outside diameter T 144 mm Inner Ring Width C 72 mm Outer Ring Width r(min.) 3 mm Chamfer Dimension r1(min.) 1.1 mm Chamfer Dimension Basic Load Ratings C a 500 kN Basic Dynamic Load Rating C 0a 1810 kN Basic Static Load Rating Speeds Grease 1200 min -1 Limiting Speed (C6-Preload) Oil (Oil-air) 1400 min -1 Limiting Speed (C6-Preload) Grease 1100 min -1 Limiting Speed (C7-Preload) Oil (Oil-air) 1200 min -1 Limiting Speed (C7-Preload) Grease 900 min -1 Limiting Speed (C8-Preload) Oil (Oil-air) 1000 min -1 Limiting Speed (C8-Preload) Dimensions 60° Contact Angle Abutment and Fillet Dimensions ra(max.) 2.5 mm Radius of Shaft or Housing Fillet rb(max.) 1 mm Radius of Shaft or Housing Fillet da 348 mm Diameter of Shaft Abutment Da 399 mm Diameter of Housing Abutment Performance Pa 1120 kN Permissible Axial Load Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity C6 1717N 1970N/μm C7 9403N 3485N/μm C8 16124N 4179N/μm Mass 50.4 kg Mass(approx.)