Tapered roller bearings 4T-32306
Bearing number : 4T-32306
Size (mm) : 30x72x28.75 Brand : NTN d (mm) : 30 D (mm) : 72 B (mm) : 28,75 Bearing dimensions and specification in brand catalogue : d - 30 mm D - 72 mm T - 28,75 mm B - 27 mm C - 23 mm ra1 max. - 1,5 mm a - 18,5 mm r min. - 1,5 mm r1 min. - 1,5 mm da min. - 38,5 mm Da min - 59 mm Da max. - 63,5 mm db max. - 38 mm Db min. - 66 mm ra max. - 1,5 mm Sa - 3 mm Sb - 5,5 mm Weight - 0,583 Kg Basic dynamic load rating (C) - 81 kN Basic static load rating (C0) - 90 kN (Grease) Lubrication Speed - 5 700 r/min (Oil) Lubrication Speed - 7 600 r/min Calculation factor (e) - 0,31 Calculation factor (Y0) - 1,05 Calculation factor (Y2) - 1,9
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