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。
2.6725 inches minimum and 2.7025 inches maximum overall length, 0.4370 inches minimum and 0.4375 inches maximum bore diameter, plastic polytetrafluoroethylene race liner material, 0.5570 inches minimum and 0.5670 inches maximum inner member width, 2.1150 inches minimum and 2.1350 inches maximum bore center to shank end distance