Tapered roller bearings 30328U
Bearing number : 30328U
Size (mm) : 140x300x67.75 Brand : NTN d (mm) : 140 D (mm) : 300 B (mm) : 67,75 Bearing dimensions and specification in brand catalogue : d - 140 mm D - 300 mm T - 67,75 mm B - 62 mm C - 53 mm ra1 max. - 3 mm a - 56,5 mm r min. - 5 mm r1 min. - 4 mm da min. - 162 mm Da min - 251 mm Da max. - 282 mm db max. - 179 mm Db min. - 273 mm ra max. - 4 mm Sa - 9 mm Sb - 14,5 mm Weight - 21,2 Kg Basic dynamic load rating (C) - 735 kN Basic static load rating (C0) - 950 kN (Grease) Lubrication Speed - 1 300 r/min (Oil) Lubrication Speed - 1 700 r/min Calculation factor (e) - 0,35 Calculation factor (Y0) - 0,96 Calculation factor (Y2) - 1,74
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