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。
0.3745 inches minimum and 0.3750 inches maximum bore diameter, 50.0 rockwell c minimum inner member hardness rating, 0.3790 inches minimum and 0.3840 inches maximum inner member width, aisi 440a assn std single material response inner member material document and classification, 28.0 rockwell c minimum outer race member hardness rating