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。
0.3120 inches minimum and 0.3125 inches maximum bore diameter, b1-b,acft end item identification, 0.3730 inches minimum and 0.3750 inches maximum inner member width, 2.4500 inches nominal overall length, 2.0000 inches nominal bore center to shank end distance