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。
steel comp 440c and steel comp 630 overall material, 4.8072 inches minimum and 4.8080 inches maximum outer member outside diameter, 2.9990 inches minimum and 3.0000 inches maximum bore diameter, 2.2500 inches minimum and 2.2600 inches maximum outer member width, 2.6200 inches minimum and 2.6250 inches maximum inner member width