Tapered roller bearings 30234JR
Bearing number : 30234JR
Size (mm) : 170x310x57 Brand : KOYO d (mm) : 170 D (mm) : 310 B (mm) : 57 Bearing dimensions and specification in brand catalogue : d - 170 mm D - 310 mm T - 57 mm B - 52 mm C - 43 mm a - 61,2 mm r min. - 5 mm r2 min. - 4 mm da min. - 192 mm da max - 202 mm Da min - 269 mm Da max. - 292 mm Db min. - 288 mm ra max. - 4 mm rb max. - 3 mm Weight - 17,8 Kg Basic dynamic load rating (C) - 620 kN Basic static load rating (C0) - 867 kN (Grease) Lubrication Speed - 1100 r/min (Oil) Lubrication Speed - 1500 r/min Calculation factor (e) - 0,44 Calculation factor (Y0) - 0,76 Calculation factor (Y1) - 1,38
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