Tapered roller bearings 4T-30307C
Bearing number : 4T-30307C
Size (mm) : 35x80x22.75 Brand : NTN d (mm) : 35 D (mm) : 80 B (mm) : 22,75 Bearing dimensions and specification in brand catalogue : d - 35 mm D - 80 mm T - 22,75 mm B - 21 mm C - 17 mm ra1 max. - 1,5 mm a - 20,5 mm r min. - 2 mm r1 min. - 1,5 mm da min. - 45 mm Da min - 63,5 mm Da max. - 71,5 mm db max. - 44 mm Db min. - 75,5 mm ra max. - 2 mm Sa - 3 mm Sb - 5,5 mm Weight - 0,517 Kg Basic dynamic load rating (C) - 66,5 kN Basic static load rating (C0) - 68,5 kN (Grease) Lubrication Speed - 4 800 r/min (Oil) Lubrication Speed - 6 400 r/min Calculation factor (e) - 0,55 Calculation factor (Y0) - 0,6 Calculation factor (Y2) - 1,1
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