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。
aligning style designator, 1.5320 inches minimum and 1.5520 inches maximum outside diameter, 0.1230 inches minimum and 0.1260 inches maximum overall width, steel overall material, 1.0020 inches minimum and 1.0120 inches maximum bore diameter