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-g-23827 mil spec single material response lubrication material document and classification, 0.2495 inches minimum and 0.2525 inches maximum bore diameter, 1.5470 inches minimum and 1.5770 inches maximum bore center to shank end distance, 0.3700 inches minimum and 0.3750 inches maximum inner member width, 1.9170 inches minimum and 1.9570 inches maximum overall length