Tapered roller bearings 778/772
Bearing number : 778/772
Size (mm) : 92.075x180.975x47.625 Brand : KOYO d (mm) : 92,075 D (mm) : 180,975 B (mm) : 47,625 Bearing dimensions and specification in brand catalogue : d - 92,075 mm D - 180,975 mm T - 47,625 mm B - 48,006 mm C - 38,1 mm a - 39,5 mm r min. - 3,6 mm r2 min. - 3,2 mm da min. - 111 mm Da - 161 mm db min - 105 mm ra max. - 3,6 mm rb max. - 3,2 mm Db - 168 mm Weight - 5,57 Kg Basic dynamic load rating (C) - 288 kN Basic static load rating (C0) - 438 kN (Grease) Lubrication Speed - 2100 r/min (Oil) Lubrication Speed - 2800 r/min Calculation factor (e) - 0,39 Calculation factor (Y0) - 0,86 Calculation factor (Y1) - 1,56
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