Tapered roller bearings 30252
Bearing number : 30252
Size (mm) : 260x480x89 Brand : KOYO d (mm) : 260 D (mm) : 480 B (mm) : 89 Bearing dimensions and specification in brand catalogue : d - 260 mm D - 480 mm T - 89 mm B - 80 mm C - 67 mm a - 93,6 mm r min. - 6 mm r2 min. - 5 mm da min. - 288 mm da max - 310 mm Da min - 415 mm Da max. - 458 mm Db min. - 450 mm ra max. - 5 mm rb max. - 4 mm Weight - 64,9 Kg Basic dynamic load rating (C) - 1210 kN Basic static load rating (C0) - 1860 kN (Grease) Lubrication Speed - 650 r/min (Oil) Lubrication Speed - 870 r/min Calculation factor (e) - 0,42 Calculation factor (Y0) - 0,79 Calculation factor (Y1) - 1,44
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