一種特殊的單列或多列滾子軸承,剛性或自調心,並採用內螺紋、空心、梅花螺紋或實心軸構造。
steel corrosion resisting overall material, 2420-66-148-7692, hmee (high mobility engineer excavator) end item identification, 1/2 inch by 1 1/2 inch sst roller rod part name assigned by controlling agency, 500 inch in dia and 1.500 inch long special features