Tapered roller bearings 557S/552A
Bearing number : 557S/552A
Size (mm) : 53.975x123.825x38.100 Brand : NACHI d (mm) : 53.975 D (mm) : 123.825 B (mm) : 38.100 Bearing dimensions and specification in brand catalogue : d - 53.975 mm D - 123.825 mm T - 38.100 mm B - 36.678 mm C - 30.162 mm a - 9.2 mm r1 min. - 3.5 mm r2 min. - 3.3 mm Weight - 2,25 Kg Basic dynamic load rating (C) - 149000 kN Basic static load rating (C0) - 197000 kN (Grease) Lubrication Speed - 3000 r/min (Oil) Lubrication Speed - 4100 r/min Calculation factor (e) - 0.35 Calculation factor (Y0) - 0.95 Calculation factor (Y1) - 1.73
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