一種特殊的單列或多列滾珠軸承,剛性或自調心,採用實心或空心軸構造,具有內部或外部螺紋。
lips turned inwardly bearing seal type, 2.7500 inches nominal length from bore center to shank end, 0.2500 inches nominal bore diameter, self-aligning alignment type, 0.4840 inches nominal inner ring width