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。
3.1500 inches minimum and 3.2200 inches maximum overall length, 2.6100 inches minimum and 2.6400 inches maximum bore center to shank end distance, externally threaded shank style, 0.3120 inches minimum and 0.3125 inches maximum bore diameter, 1.5500 inches minimum and 1.5800 inches maximum shank thread length