一種特殊的單列或多列滾珠軸承,剛性或自調心,採用實心或空心軸構造,具有內部或外部螺紋。
internal self-alignment location, self-aligning alignment type, end item is carrier ; nsn 2350-01-085-3792 ; model m981 end item identification, 0.3750 inches nominal shank diameter, steel overall material