A single or multiple piece item without ball, plain or roller bearing(s). It is designed to meet various or specific conditions of mounting. For items with bearings, see bearing unit, ball; bearing unit, plain; and bearing unit, roller.
ch/mh-53e helicopter end item identification, 4.4720 inches minimum and 4.4820 inches maximum bore diameter, magnesium overall material, drive,tail shaft fsc application data, qq-m-40b fed spec all material responses overall material document and classification