نصف محمل من النوع المنقسم المكون من قطعتين، غلاف.
0.0450 inches minimum and 0.0550 inches maximum locking lug height, 0.3090 inches minimum and 0.3165 inches maximum distance from lug end to end of bearing, square all corners corner shape, 3.5030 inches nominal body outside diameter, 3.2524 inches minimum and 3.2534 inches maximum body inside diameter