A rigid item usually circular in shape, designed to accommodate a bearing. It positions the bearing but does not encase it or restrain its motion.
7.1520 inches minimum and 7.1620 inches maximum bore diameter, 0.4990 inches minimum and 0.5010 inches maximum overall width, 8.4350 inches minimum and 8.4450 inches maximum outside diameter, steel comp 8740 overall material, c-17 acft engine end item identification