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 inner member material, 26.0 rockwell c minimum and 55.0 rockwell c maximum outer race member hardness rating, 1.2495 inches minimum and 1.2500 inches maximum bore diameter, 26.0 rockwell c minimum and 55.0 rockwell c maximum inner member hardness rating, 1.4950 inches minimum and 1.5000 inches maximum inner member width