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。
self-aligning alignment type, 0.5000 inches nominal inner ring width, 2.0310 inches nominal length from bore center to shank end, 0.1897 inches minimum and 0.1900 inches maximum bore diameter, contact bearing seal type