用於分隔和固定軸承、球(經修改)的滾動元件的框架或外殼。
nimitz class cvn end item identification, astm-a36 assn std single material response separator slug material document and classification, steel comp 1030 separator slug material, retainer 1.8750 x 0.9375 x 0.5000 (thk) special features