Tapered roller bearings 557S/552A
Bearing number : 557S/552A
Size (mm) : 53.975x123.825x38.1 Brand : KOYO d (mm) : 53,975 D (mm) : 123,825 B (mm) : 38,1 Bearing dimensions and specification in brand catalogue : d - 53,975 mm D - 123,825 mm T - 38,1 mm B - 36,678 mm C - 30,162 mm a - 28,7 mm r min. - 3,6 mm r2 min. - 3,2 mm da min. - 71 mm Da - 109 mm db min - 65 mm ra max. - 3,6 mm rb max. - 3,2 mm Db - 116 mm Weight - 2,226 Kg Basic dynamic load rating (C) - 162 kN Basic static load rating (C0) - 223 kN (Grease) Lubrication Speed - 3200 r/min (Oil) Lubrication Speed - 4200 r/min Calculation factor (e) - 0,35 Calculation factor (Y0) - 0,95 Calculation factor (Y1) - 1,73
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