Tapered roller bearings 31328XU
Bearing number : 31328XU
Size (mm) : 140x300x77 Brand : NTN d (mm) : 140 D (mm) : 300 B (mm) : 77 Bearing dimensions and specification in brand catalogue : d - 140 mm D - 300 mm T - 77 mm B - 70 mm C - 47 mm ra1 max. - 3 mm a - 94 mm r min. - 5 mm r1 min. - 4 mm da min. - 162 mm Da min - 234 mm Da max. - 282 mm db max. - 165 mm Db min. - 280 mm ra max. - 4 mm Sa - 9 mm Sb - 30 mm Weight - 23 Kg Basic dynamic load rating (C) - 685 kN Basic static load rating (C0) - 905 kN (Grease) Lubrication Speed - 1 300 r/min (Oil) Lubrication Speed - 1 700 r/min Calculation factor (e) - 0,83 Calculation factor (Y0) - 0,4 Calculation factor (Y2) - 0,73
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