Tapered roller bearings 4T-1280/1220
Bearing number : 4T-1280/1220
Size (mm) : 22.225x57.15x22.225 Brand : NTN d (mm) : 22,225 D (mm) : 57,15 B (mm) : 22,225 Bearing dimensions and specification in brand catalogue : d - 22,225 mm D - 57,15 mm T - 22,225 mm B - 22,225 mm C - 17,462 mm ra1 max. - 1,5 mm a - 7,1 mm Da - 49 mm db - 29 mm ra max. - 0,8 mm da - 29,5 mm Db - 52 mm Weight - 0,286 Kg Basic dynamic load rating (C) - 47 kN Basic static load rating (C0) - 49,5 kN (Grease) Lubrication Speed - 7 100 r/min (Oil) Lubrication Speed - 9 500 r/min Calculation factor (e) - 0,35 Calculation factor (Y0) - 0,95 Calculation factor (Y2) - 1,73
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