一種可拆卸部件,軸頸、軸頸、樞軸或類似物可在其內或上移動。它用於承載負載並減少滑動摩擦。它不使用滾動元件。它可以分成兩段或多段,每段的夾角不超過 180 度(3.141 弧度)。該部件具有圓柱孔,其外部設計基本為球形,以允許軸不對中。不含:自調心滑動軸承。
square all corners corner shape, 3.3750 inches minimum and 3.3760 inches maximum body inside diameter, bearing,plain,spherical-loader slot assy,3.375 bore part name assigned by controlling agency, c-17a aircraft end item identification, 2.9050 inches minimum and 2.9100 inches maximum overall length