一種用緊定螺絲、鍵或銷安裝在軸上的擋圈,專門用於軸承的定位。有關通用軸環,請參閱軸環。不含:推力軸承墊圈;以及軸承襯套。
mil-c-15345 mil spec single material response overall material document and classification, 1.2500 inches nominal bore diameter, 10.2500 inches nominal outside diameter, copper alloy 922 overall material