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。
2.3750 inches nominal bore center to shank end distance, 3.2500 inches nominal overall length, 1.0000 inches maximum inner member width, plastic phenolic overall material, 0.4995 inches minimum and 0.4997 inches maximum bore diameter