A half of a two-piece split type bearing, sleeve.
0.3435 inches nominal distance from lug end to end of bearing, 0.0580 inches minimum and 0.0680 inches maximum locking lug height, 3.4810 inches minimum and 3.4860 inches maximum body inside diameter, 3.8120 inches minimum and 3.8130 inches maximum body outside diameter, square all corners corner shape