Tapered roller bearings 4T-2474/2420
Bearing number : 4T-2474/2420
Size (mm) : 28.575x68.262x22.225 Brand : NTN d (mm) : 28,575 D (mm) : 68,262 B (mm) : 22,225 Bearing dimensions and specification in brand catalogue : d - 28,575 mm D - 68,262 mm T - 22,225 mm B - 23,812 mm C - 17,462 mm ra1 max. - 1,5 mm a - 6,5 mm Da - 60 mm db - 35 mm ra max. - 0,8 mm da - 36 mm Db - 63 mm Weight - 0,41 Kg Basic dynamic load rating (C) - 57,5 kN Basic static load rating (C0) - 65,5 kN (Grease) Lubrication Speed - 5 700 r/min (Oil) Lubrication Speed - 7 700 r/min Calculation factor (e) - 0,34 Calculation factor (Y0) - 0,97 Calculation factor (Y2) - 1,77
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