Tapered roller bearings 3478/3420
Bearing number : 3478/3420
Size (mm) : 34.925x79.375x29.37 Brand : KOYO d (mm) : 34,925 D (mm) : 79,375 B (mm) : 29,37 Bearing dimensions and specification in brand catalogue : d - 34,925 mm D - 79,375 mm T - 29,37 mm B - 29,771 mm C - 23,812 mm a - 20,8 mm r min. - 3,6 mm r2 min. - 3,2 mm da min. - 50 mm Da - 67 mm db min - 43,5 mm ra max. - 3,6 mm rb max. - 3,2 mm Db - 74 mm Weight - 0,718 Kg Basic dynamic load rating (C) - 87,4 kN Basic static load rating (C0) - 105 kN (Grease) Lubrication Speed - 5200 r/min (Oil) Lubrication Speed - 6900 r/min Calculation factor (e) - 0,37 Calculation factor (Y0) - 0,9 Calculation factor (Y1) - 1,64
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