Tapered roller bearings 4T-30215
Bearing number : 4T-30215
Size (mm) : 75x130x27.25 Brand : NTN d (mm) : 75 D (mm) : 130 B (mm) : 27,25 Bearing dimensions and specification in brand catalogue : d - 75 mm D - 130 mm T - 27,25 mm B - 25 mm C - 22 mm ra1 max. - 1,5 mm a - 27 mm r min. - 2 mm r1 min. - 1,5 mm da min. - 85 mm Da min - 115 mm Da max. - 121,5 mm db max. - 85 mm Db min. - 124 mm ra max. - 2 mm Sa - 4 mm Sb - 5 mm Weight - 1,41 Kg Basic dynamic load rating (C) - 139 kN Basic static load rating (C0) - 175 kN (Grease) Lubrication Speed - 2 700 r/min (Oil) Lubrication Speed - 3 600 r/min Calculation factor (e) - 0,44 Calculation factor (Y0) - 0,76 Calculation factor (Y2) - 1,38
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