Tapered roller bearings 30256
Bearing number : 30256
Size (mm) : 280x500x89 Brand : NACHI 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 - -10 mm r1 min. - 6 mm r2 min. - 5 mm Weight - 66.0 Kg Basic dynamic load rating (C) - 1270000 kN Basic static load rating (C0) - 1910000 kN (Grease) Lubrication Speed - 620 r/min (Oil) Lubrication Speed - 820 r/min Calculation factor (e) - 0.46 Calculation factor (Y0) - 0.72 Calculation factor (Y1) - 1.31
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