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。
0.2560 inches minimum and 0.2660 inches maximum shank inside diameter, 4.4500 inches minimum and 4.4600 inches maximum overall length, 0.9000 inches minimum and 0.9200 inches maximum outer member outside diameter, 4.0000 inches nominal bore center to shank end distance, 0.2450 inches minimum and 0.2550 inches maximum outer member width