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。
0.2758 inches nominal bore diameter, steel comp 303 overall material, 0.7000 inches nominal overall width, astm a582 cond a assn std single material response overall material document and classification, 1.5620 inches nominal outside diameter