Tapered roller bearings 4T-320/28X
Bearing number : 4T-320/28X
Size (mm) : 28x52x16 Brand : NTN d (mm) : 28 D (mm) : 52 B (mm) : 16 Bearing dimensions and specification in brand catalogue : d - 28 mm D - 52 mm T - 16 mm B - 16 mm C - 12 mm ra1 max. - 1 mm a - 12,5 mm r min. - 1 mm r1 min. - 1 mm da min. - 33,5 mm Da min - 45 mm Da max. - 46,5 mm db max. - 33 mm Db min. - 49 mm ra max. - 1 mm Sa - 3 mm Sb - 4 mm Weight - 0,146 Kg Basic dynamic load rating (C) - 33 kN Basic static load rating (C0) - 40,5 kN (Grease) Lubrication Speed - 7 300 r/min (Oil) Lubrication Speed - 9 700 r/min Calculation factor (e) - 0,43 Calculation factor (Y0) - 0,77 Calculation factor (Y2) - 1,39
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