Двухнаправленный упорно-радиальный шарикоподшипник NSK NSKTAC D Series 220TAC20DMYPN7+LC7

Описание

Boundary Dimensions d 220 mm Bore diameter D 340 mm Outside diameter T 144 mm Inner Ring Width C 72 mm Outer Ring Width r(min.) 2.1 mm Chamfer Dimension r1(min.) 1.1 mm Chamfer Dimension Basic Load Ratings C a 455 kN Basic Dynamic Load Rating C 0a 1390 kN Basic Static Load Rating Speeds Grease 1600 min -1 Limiting Speed (C6-Preload) Oil (Oil-air) 1800 min -1 Limiting Speed (C6-Preload) Grease 1400 min -1 Limiting Speed (C7-Preload) Oil (Oil-air) 1600 min -1 Limiting Speed (C7-Preload) Grease 1200 min -1 Limiting Speed (C8-Preload) Oil (Oil-air) 1300 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 272 mm Diameter of Shaft Abutment Da 320 mm Diameter of Housing Abutment Performance Pa 856 kN Permissible Axial Load Preload,Rigidity(DB and DF arrangement) Preload Axial Rigidity Measured axial clearance C6 3247N 2063N/μm -8μm C7 4331N 2273N/μm -10μm C8 19791N 3794N/μm -30μm Additional information 184 g/brg Recommended Grease Quantities Mass 39.1 kg Mass(approx.)