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。
39.0 rockwell c minimum and 42.0 rockwell c maximum body hardness rating, 0.435 inches minimum and 0.437 inches maximum inner member width, 2.177 inches minimum and 2.197 inches maximum overall length, 1.552 inches minimum and 1.572 inches maximum bore center to shank end distance, 0.2495 inches minimum and 0.2500 inches maximum bore diameter