Tapered roller bearings 30230U
Bearing number : 30230U
Size (mm) : 150x270x49 Brand : NTN d (mm) : 150 D (mm) : 270 B (mm) : 49 Bearing dimensions and specification in brand catalogue : d - 150 mm D - 270 mm T - 49 mm B - 45 mm C - 38 mm ra1 max. - 2,5 mm a - 51,5 mm r min. - 4 mm r1 min. - 3 mm da min. - 168 mm Da min - 234 mm Da max. - 256 mm db max. - 175 mm Db min. - 255 mm ra max. - 3 mm Sa - 7 mm Sb - 11 mm Weight - 11,2 Kg Basic dynamic load rating (C) - 450 kN Basic static load rating (C0) - 605 kN (Grease) Lubrication Speed - 1 300 r/min (Oil) Lubrication Speed - 1 700 r/min Calculation factor (e) - 0,44 Calculation factor (Y0) - 0,76 Calculation factor (Y2) - 1,38
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