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。
1.5520 inches minimum and 1.5720 inches maximum bore center to shank end distance, 0.4370 inches nominal inner member width, 1.9650 inches nominal overall length, 0.1900 inches nominal bore diameter, b1-b aircraft end item identification