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。
material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications reference number differentiating characteristics, zzzy criticality code justification