47.3mm OD, 18 spline. 40mm OD x 21.3mm height inner bearing seat. 50mm OD outer bearing seat. 65mm diameter x 16.3mm height seal face. 2 x M10x1.5 retainer bolt threads at 20mm centres. 6 x 16mm ID wheel stud holes 160mm centres diagonally. 132mm ID end face oil seal seat. M10 grease nipple thread.
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47.3mm OD, 18 spline. 40mm OD x 21.3mm height inner bearing seat. 50mm OD outer bearing seat. 65mm diameter x 16.3mm height seal face. 2 x M10x1.5 retainer bolt threads at 20mm centres. 6 x 16mm ID wheel stud holes 160mm centres diagonally. 132mm ID end face oil seal seat. M10 grease nipple thread.