Tapered roller bearings 4T-6461A/6420
Bearing number : 4T-6461A/6420
Size (mm) : 76.2x149.225x53.975 Brand : NTN d (mm) : 76,2 D (mm) : 149,225 B (mm) : 53,975 Bearing dimensions and specification in brand catalogue : d - 76,2 mm D - 149,225 mm T - 53,975 mm B - 54,229 mm C - 44,45 mm ra1 max. - 3,3 mm a - 14,8 mm Da - 129 mm db - 89 mm ra max. - 9,7 mm da - 108 mm Db - 140 mm Weight - 4,23 Kg Basic dynamic load rating (C) - 287 kN Basic static load rating (C0) - 410 kN (Grease) Lubrication Speed - 2 500 r/min (Oil) Lubrication Speed - 3 400 r/min Calculation factor (e) - 0,36 Calculation factor (Y0) - 0,91 Calculation factor (Y2) - 1,66
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