Tapered roller bearings 30306JR
Bearing number : 30306JR
Size (mm) : 30x72x20.75 Brand : KOYO d (mm) : 30 D (mm) : 72 B (mm) : 20,75 Bearing dimensions and specification in brand catalogue : d - 30 mm D - 72 mm T - 20,75 mm B - 19 mm C - 16 mm a - 15,7 mm r min. - 1,5 mm r2 min. - 1,5 mm da min. - 38,5 mm da max - 40 mm Da min - 62 mm Da max. - 63,5 mm Db min. - 66 mm ra max. - 1,5 mm rb max. - 1,5 mm Weight - 0,411 Kg Basic dynamic load rating (C) - 59,6 kN Basic static load rating (C0) - 60,1 kN (Grease) Lubrication Speed - 5800 r/min (Oil) Lubrication Speed - 7700 r/min Calculation factor (e) - 0,31 Calculation factor (Y0) - 1,05 Calculation factor (Y1) - 1,9
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