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。
1.8020 inches minimum and 1.8220 inches maximum bore center to shank end distance, 0.0620 inches nominal inspection hole center to end distance, 0.3750 inches nominal bore diameter, 1.0150 inches minimum and 1.0350 inches maximum outer member outside diameter, 0.5000 inches nominal inner member width