Tapered roller bearings 4T-67790/67720
Bearing number : 4T-67790/67720
Size (mm) : 177.8x247.65x47.625 Brand : NTN d (mm) : 177,8 D (mm) : 247,65 B (mm) : 47,625 Bearing dimensions and specification in brand catalogue : d - 177,8 mm D - 247,65 mm T - 47,625 mm B - 47,625 mm C - 38,1 mm ra1 max. - 3,3 mm a - -4,8 mm Da - 229 mm db - 188 mm ra max. - 3,5 mm da - 194 mm Db - 240 mm Weight - 6,57 Kg Basic dynamic load rating (C) - 340 kN Basic static load rating (C0) - 690 kN (Grease) Lubrication Speed - 1 300 r/min (Oil) Lubrication Speed - 1 700 r/min Calculation factor (e) - 0,44 Calculation factor (Y0) - 0,75 Calculation factor (Y2) - 1,36
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