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。
0.1230 inches minimum and 0.1260 inches maximum overall width, steel comp e52100 overall material, 2.1570 inches minimum and 2.1770 inches maximum outside diameter, 66,aisi/sae e52100 fed std single material response overall material document and classification, 1.5020 inches minimum and 1.5120 inches maximum bore diameter