Tapered roller bearings 30228
Bearing number : 30228
Size (mm) : 140x250x45.75 Brand : NACHI d (mm) : 140 D (mm) : 250 B (mm) : 45.75 Bearing dimensions and specification in brand catalogue : d - 140 mm D - 250 mm T - 45.75 mm B - 42 mm C - 36 mm a - -1.25 mm r1 min. - 4 mm r2 min. - 3 mm Weight - 5.20 Kg Basic dynamic load rating (C) - 370000 kN Basic static load rating (C0) - 490000 kN (Grease) Lubrication Speed - 1400 r/min (Oil) Lubrication Speed - 1900 r/min Calculation factor (e) - 0.44 Calculation factor (Y0) - 0.75 Calculation factor (Y1) - 1.36
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