Tapered roller bearings 30311A
Bearing number : 30311A
Size (mm) : 55x120x31.5 Brand : ZVL d (mm) : 55 D (mm) : 120 B (mm) : 31,5 Bearing dimensions and specification in brand catalogue : d - 55 mm D - 120 mm T - 31,5 mm B - 29 mm C - 25 mm a - 25 mm r1 min. - 2,5 mm r2 min. - 2 mm da max - 67 mm Da min - 103 mm Da max. - 110 mm db min - 65 mm Db min. - 111 mm ra max. - 2 mm Weight - 1,71 Kg Basic dynamic load rating (C) - 150 kN Basic static load rating (C0) - 170 kN (Grease) Lubrication Speed - 3 300 r/min (Oil) Lubrication Speed - 4 500 r/min Calculation factor (e) - 0,35 Calculation factor (Y) - 1,7 Calculation factor (Y0) - 1
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