用於分隔和固定軸承、球(經修改)的滾動元件的框架或外殼。
bearing retainer self-aligning part name assigned by controlling agency, 4.3995 inches minimum and 4.4000 inches maximum outside diameter, kc-135 aleron and elevator control column end item identification, 4.0000 inches minimum and 4.0010 inches maximum bore diameter, aluminum alloy 2024 overall material