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。
3.3875 inches nominal overall length, himars (high-mobility artillery rocket system end item identification, 0.6250 inches nominal bore diameter, 2.6250 inches nominal bore center to shank end distance, 0.5770 inches nominal inner member width