Tapered roller bearings 387/382
Bearing number : 387/382
Size (mm) : 57.15x98.425x21 Brand : KOYO d (mm) : 57,15 D (mm) : 98,425 B (mm) : 21 Bearing dimensions and specification in brand catalogue : d - 57,15 mm D - 98,425 mm T - 21 mm B - 21,946 mm C - 17,826 mm a - 17,4 mm r min. - 2,4 mm r2 min. - 0,8 mm da min. - 66 mm Da - 89 mm db min - 62 mm ra max. - 2,4 mm rb max. - 0,8 mm Db - 92 mm Weight - 0,651 Kg Basic dynamic load rating (C) - 80,4 kN Basic static load rating (C0) - 101 kN (Grease) Lubrication Speed - 3900 r/min (Oil) Lubrication Speed - 5200 r/min Calculation factor (e) - 0,35 Calculation factor (Y0) - 0,93 Calculation factor (Y1) - 1,69
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