包含一個或多個軸承或軸承組件的零件套件,以維修/更換為單位發放。它可能包含墊片、O形圈、滾道、密封件、墊圈、墊圈等。
2.2 pounds unpackaged unit weight, material: bronze; material specification, grade and type: astm b143 gr 1a special features, bearing, assembly, propulsion line shaft end item identification, scraper, oil part name assigned by controlling agency