Tapered roller bearings 45256
Bearing number : 45256
Size (mm) : 280x420x106 Brand : KOYO d (mm) : 280 D (mm) : 420 B (mm) : 106 Bearing dimensions and specification in brand catalogue : d - 280 mm D - 420 mm T - 106 mm B - 106 mm r min. - 4 mm r1 min. - 5 mm da max - 321 mm Db min. - 370 mm ra max. - 3 mm rb max. - 4 mm Db max - 402 mm Weight - 51,9 Kg Basic dynamic load rating (C) - 1190 kN Basic static load rating (C0) - 2470 kN (Grease) Lubrication Speed - 560 r/min (Oil) Lubrication Speed - 750 r/min Calculation factor (e) - 0,25 Calculation factor (Y0) - 2,63 Calculation factor (Y2) - 2,69
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