Tapered roller bearings 4T-32304
Bearing number : 4T-32304
Size (mm) : 20x52x22.25 Brand : NTN d (mm) : 20 D (mm) : 52 B (mm) : 22,25 Bearing dimensions and specification in brand catalogue : d - 20 mm D - 52 mm T - 22,25 mm B - 21 mm C - 18 mm ra1 max. - 1,5 mm a - 14 mm r min. - 1,5 mm r1 min. - 1,5 mm da min. - 28,5 mm Da min - 43 mm Da max. - 43,5 mm db max. - 27 mm Db min. - 47 mm ra max. - 1,5 mm Sa - 3 mm Sb - 4 mm Weight - 0,245 Kg Basic dynamic load rating (C) - 46,5 kN Basic static load rating (C0) - 48,5 kN (Grease) Lubrication Speed - 8 000 r/min (Oil) Lubrication Speed - 11 000 r/min Calculation factor (e) - 0,3 Calculation factor (Y0) - 1,1 Calculation factor (Y2) - 2
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