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.
0.03 lbs weight nondefinitive spec/std data, plates that hold the main bearing on the gau-19b rotor. length: 2.80 inches. width: 0.12 inches. height: 2.80 inches. special features, plate, retaining bearing part name assigned by controlling agency