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。
self-aligning alignment type, 0.2500 inches nominal bore diameter, 0.4370 inches nominal inner ring width, 1.8650 inches minimum and 1.8950 inches maximum length from bore center to shank end, contact bearing seal type