Tapered roller bearings 4T-68450/68712
Bearing number : 4T-68450/68712
Size (mm) : 114.3x180.975x34.925 Brand : NTN d (mm) : 114,3 D (mm) : 180,975 B (mm) : 34,925 Bearing dimensions and specification in brand catalogue : d - 114,3 mm D - 180,975 mm T - 34,925 mm B - 31,75 mm C - 25,4 mm ra1 max. - 3,3 mm a - -5,4 mm Da - 163 mm db - 123 mm ra max. - 3,5 mm da - 130 mm Db - 172 mm Weight - 2,93 Kg Basic dynamic load rating (C) - 169 kN Basic static load rating (C0) - 245 kN (Grease) Lubrication Speed - 1 900 r/min (Oil) Lubrication Speed - 2 500 r/min Calculation factor (e) - 0,5 Calculation factor (Y0) - 0,66 Calculation factor (Y2) - 1,21
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