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。
mil-b-81820 mil spec all material responses and ms14103 mil std all material responses inner member material document and classification, 2.4505 inches nominal overall length, 0.4980 inches minimum and 0.5000 inches maximum inner member width, 1.9280 inches minimum and 1.9480 inches maximum bore center to shank end distance, 0.3745 inches minimum and 0.3750 inches maximum bore diameter