一種可拆卸組件,軸頸、活塞、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。此組件由一個鏜孔精密研磨球(或球面滑動軸承)及其外圈組成。該組件可以是可分離的,也可以是不可分離的。不含:桿端滑動軸承和球面滑動軸承。
28.0 rockwell c nominal inner member hardness rating, 1.2780 inches minimum and 1.2800 inches maximum inner member width, 58.0 rockwell c nominal outer race member hardness rating, ams 5613 assn std single material response outer race member material document and classification, 0.7495 inches minimum and 0.7500 inches maximum bore diameter