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。
28.0 rockwell c minimum and 36.0 rockwell c maximum race insert hardness rating, 0.2495 inches minimum and 0.2500 inches maximum bore diameter, 2.2500 inches nominal bore center to shank end distance, 0.2760 inches minimum and 0.2810 inches maximum inner member width, 56.0 rockwell c minimum inner member hardness rating