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。
f/a-18 end item identification, 0.7450 inches minimum and 0.7500 inches maximum inner member width, steel comp 440c and steel comp 630 overall material, ams5630/5643 assn std single material response overall material document and classification, 0.6245 inches minimum and 0.6250 inches maximum bore diameter