Двухнаправленный упорно-радиальный шарикоподшипник NSK NSKTAC D Series 260TAC20DMYPN7+LC7

Описание

Boundary Dimensions d 260 mm Bore diameter D 400 mm Outside diameter T 164 mm Inner Ring Width C 82 mm Outer Ring Width r(min.) 4 mm Chamfer Dimension r1(min.) 1.5 mm Chamfer Dimension Basic Load Ratings C a 550 kN Basic Dynamic Load Rating C 0a 1890 kN Basic Static Load Rating Speeds Grease 1400 min -1 Limiting Speed (C6-Preload) Oil (Oil-air) 1600 min -1 Limiting Speed (C6-Preload) Grease 1200 min -1 Limiting Speed (C7-Preload) Oil (Oil-air) 1400 min -1 Limiting Speed (C7-Preload) Grease 1000 min -1 Limiting Speed (C8-Preload) Oil (Oil-air) 1200 min -1 Limiting Speed (C8-Preload) Dimensions 60° Contact Angle Abutment and Fillet Dimensions ra(max.) 3 mm Radius of Shaft or Housing Fillet rb(max.) 1.5 mm Radius of Shaft or Housing Fillet da 316 mm Diameter of Shaft Abutment Da 375 mm Diameter of Housing Abutment Performance Pa 1170 kN Permissible Axial Load Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity C6 4232N 2461N/μm C7 8420N 3101N/μm C8 22437N 4315N/μm Additional information 278 g/brg Recommended Grease Quantities Mass 64.5 kg Mass(approx.)