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。
0.2495 inches minimum and 0.2500 inches maximum bore diameter, contact bearing seal type, 1.6450 inches minimum and 1.6750 inches maximum length from bore center to shank end, 0.4950 inches minimum and 0.5000 inches maximum inner ring width, self-aligning alignment type