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。
55.0 rockwell c minimum and 60.0 rockwell c maximum inner member hardness rating, 0.8110 inches minimum and 0.8113 inches maximum inner member width, lubricant lubrication material, 0.3120 inches minimum and 0.3125 inches maximum bore diameter, 30.0 rockwell c minimum and 36.0 rockwell c maximum outer race member hardness rating