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。
1.7520 inches minimum and 1.7620 inches maximum bore diameter, steel comp e52100 overall material, 2.4700 inches minimum and 2.4900 inches maximum outside diameter, 0.0920 inches minimum and 0.0940 inches maximum overall width, mil-s-7420,comp e52100 mil spec single material response overall material document and classification