一種可拆卸組件,軸頸、軸頸、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。此組件的外部構件經過改造,以提供軸桿。內部構件可以是滑動球面軸承或套筒軸承。不含:滑動球面軸承和自調心滑動軸承。
3.6200 inches nominal shank end to shoulder length, special tool and support equip end item identification, 1.7500 inches nominal outer member outside diameter, 0.8120 inches nominal bore diameter, steel comp 304 overall material