Tapered roller bearings 34307/34478
Bearing number : 34307/34478
Size (mm) : 77.788x121.442x24.608 Brand : KOYO d (mm) : 77,788 D (mm) : 121,442 B (mm) : 24,608 Bearing dimensions and specification in brand catalogue : d - 77,788 mm D - 121,442 mm T - 24,608 mm B - 23,012 mm C - 17,462 mm a - 26,8 mm r min. - 6,4 mm r2 min. - 2 mm da min. - 96 mm Da - 110 mm db min - 84 mm ra max. - 6,4 mm rb max. - 2 mm Db - 116 mm Weight - 0,884 Kg Basic dynamic load rating (C) - 90 kN Basic static load rating (C0) - 127 kN (Grease) Lubrication Speed - 3000 r/min (Oil) Lubrication Speed - 4000 r/min Calculation factor (e) - 0,45 Calculation factor (Y0) - 0,73 Calculation factor (Y1) - 1,33
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