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。
0.6619 inches minimum and 0.6719 inches maximum length from bore center to shank end, 0.8075 inches minimum and 0.8125 inches maximum inner ring width, 0.3120 inches minimum and 0.3125 inches maximum bore diameter, lubrication groove features provided, self-aligning alignment type