兩個或更多相同或不同尺寸或類型的軸承、軸承套,包裝或組合在一起,作為單一單元發貨,用於更換磨損和/或損壞的軸承。參見軸承、軸承套。不包括:軸承半套、軸承套。
used to install no. 2 bearing on hu25a engine functional description, hu25a coast guard aircraft end item identification, one side has a tapered end, aa4.070 special features, guide sleeve no.2 bearing part name assigned by controlling agency, reusable disposition after initial use