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。
plastic race liner material, 36.0 rockwell c minimum and 40.0 rockwell c maximum overall hardness rating, 0.5910 inches minimum and 0.5930 inches maximum inner member width, 0.2490 inches minimum and 0.2500 inches maximum bore diameter, 1.6780 inches minimum and 1.6980 inches maximum bore center to shank end distance