Tapered roller bearings 4T-6386/6320
Bearing number : 4T-6386/6320
Size (mm) : 66.675x135.755x53.975 Brand : NTN d (mm) : 66,675 D (mm) : 135,755 B (mm) : 53,975 Bearing dimensions and specification in brand catalogue : d - 66,675 mm D - 135,755 mm T - 53,975 mm B - 56,007 mm C - 44,45 mm ra1 max. - 3,3 mm a - 18,8 mm Da - 117 mm db - 77 mm ra max. - 4,3 mm da - 87 mm Db - 126 mm Weight - 3,64 Kg Basic dynamic load rating (C) - 278 kN Basic static load rating (C0) - 380 kN (Grease) Lubrication Speed - 2 900 r/min (Oil) Lubrication Speed - 3 800 r/min Calculation factor (e) - 0,32 Calculation factor (Y0) - 1,02 Calculation factor (Y2) - 1,85
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