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。
0.3125 inches nominal bore diameter, 0.8650 inches minimum and 0.8700 inches maximum inner ring width, 2.4350 inches minimum and 2.4650 inches maximum length from bore center to shank end, contact bearing seal type, self-aligning alignment type