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, aisi 1074 modified assn std single material response overall material document and classification, steel overall material, 2.7520 inches minimum and 2.7560 inches maximum bore diameter, 3.5950 inches minimum and 3.6150 inches maximum outside diameter