Tapered roller bearings 3978/3920
Bearing number : 3978/3920
Brand : KOYO d (mm) : 59,53 B (mm) : 30,048 Bearing dimensions and specification in brand catalogue : d - 59,53 mm T - 30,162 mm B - 30,048 mm C - 23,812 mm a - 25,9 mm r min. - 1,6 mm r1 min. - 3,2 mm Da - 99 mm db - 68 mm da - 70 mm Db - 106 mm Basic dynamic load rating (C) - 111 kN Basic static load rating (C0) - 164 kN Calculation factor (e) - 0,4 Calculation factor (Y0) - 0,82 Calculation factor (Y1) - 1,49
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