Tapered roller bearings 42687/42620
Bearing number : 42687/42620
Size (mm) : 76.2x127x30.162 Brand : KOYO d (mm) : 76,2 D (mm) : 127 B (mm) : 30,162 Bearing dimensions and specification in brand catalogue : d - 76,2 mm D - 127 mm T - 30,162 mm B - 31 mm C - 22,225 mm a - 27,1 mm r min. - 3,6 mm r2 min. - 3,2 mm da min. - 90 mm Da - 114 mm db min - 84 mm ra max. - 3,6 mm rb max. - 3,2 mm Db - 121 mm Weight - 1,484 Kg Basic dynamic load rating (C) - 143 kN Basic static load rating (C0) - 225 kN (Grease) Lubrication Speed - 2400 r/min (Oil) Lubrication Speed - 3200 r/min Calculation factor (e) - 0,42 Calculation factor (Y0) - 0,79 Calculation factor (Y1) - 1,43
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