一種可拆卸組件,軸頸、活塞、樞軸或類似物可在其內或上移動。它用於承載載荷並減少滑動摩擦。它不使用滾動元件。此組件由一個鏜孔精密研磨球(或球面滑動軸承)及其外圈組成。該組件可以是可分離的,也可以是不可分離的。不含:桿端滑動軸承和球面滑動軸承。
5.1240 inches minimum and 5.1260 inches maximum outer member outside diameter, 3.2402 inches minimum and 3.2500 inches maximum bore diameter, plastic polytetrafluoroethylene internal inner member material, aim9l/m missile end item identification, 2.8390 inches minimum and 2.8440 inches maximum inner member width