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。
0.4350 inches minimum and 0.4370 inches maximum inner member width, 0.3220 inches minimum and 0.3270 inches maximum outer member width, 0.6245 inches minimum and 0.6250 inches maximum outer member outside diameter, 0.2495 inches minimum and 0.2500 inches maximum bore diameter, internally threaded w/hexagon end and inspection hole shank style