一種通常呈圓形的剛性部件,用於容納軸承。它用於定位軸承,但不會包裹軸承或限制軸承的運動。
plate, retaining bearing part name assigned by controlling agency, 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