Tapered roller bearings 4T-LM12749/LM12711
Bearing number : 4T-LM12749/LM12711
Size (mm) : 21.986x45.974x15.494 Brand : NTN d (mm) : 21,986 D (mm) : 45,974 B (mm) : 15,494 Bearing dimensions and specification in brand catalogue : d - 21,986 mm D - 45,974 mm T - 15,494 mm B - 16,637 mm C - 12,065 mm ra1 max. - 1,3 mm a - 5,4 mm Da - 40 mm db - 26 mm ra max. - 1,3 mm da - 27,5 mm Db - 42,5 mm Weight - 0,123 Kg Basic dynamic load rating (C) - 29,6 kN Basic static load rating (C0) - 34 kN (Grease) Lubrication Speed - 8 400 r/min (Oil) Lubrication Speed - 11 000 r/min Calculation factor (e) - 0,31 Calculation factor (Y0) - 1,08 Calculation factor (Y2) - 1,96
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