Tapered roller bearings 30256
Bearing number : 30256
Size (mm) : 280x500x89 Brand : KOYO d (mm) : 280 D (mm) : 500 B (mm) : 89 Bearing dimensions and specification in brand catalogue : d - 280 mm D - 500 mm T - 89 mm B - 80 mm C - 67 mm a - 96,2 mm r min. - 6 mm r2 min. - 5 mm da min. - 308 mm da max - 325 mm Da min - 440 mm Da max. - 478 mm Db min. - 475 mm ra max. - 5 mm rb max. - 4 mm Weight - 67,6 Kg Basic dynamic load rating (C) - 1260 kN Basic static load rating (C0) - 1920 kN (Grease) Lubrication Speed - 610 r/min (Oil) Lubrication Speed - 810 r/min Calculation factor (e) - 0,42 Calculation factor (Y0) - 0,79 Calculation factor (Y1) - 1,44
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