Tapered roller bearings 30308XR
Bearing number : 30308XR
Size (mm) : 40x90x25.25 Brand : KOYO d (mm) : 40 D (mm) : 90 B (mm) : 25,25 Bearing dimensions and specification in brand catalogue : d - 40 mm D - 90 mm T - 25,25 mm B - 23 mm C - 20 mm a - 23,8 mm r min. - 2 mm r2 min. - 1,5 mm da min. - 50 mm da max - 53 mm Da min - 72 mm Da max. - 80 mm Db min. - 84 mm ra max. - 2 mm rb max. - 1,5 mm Weight - 0,78 Kg Basic dynamic load rating (C) - 87,3 kN Basic static load rating (C0) - 98,5 kN (Grease) Lubrication Speed - 4600 r/min (Oil) Lubrication Speed - 6100 r/min Calculation factor (e) - 0,55 Calculation factor (Y0) - 0,6 Calculation factor (Y1) - 1,1
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