一種設計用於固定在基座上的部件,用於構成可拆卸軸承的殼體,或者軸承本身也可以是殼體的組成部分。它用於防止灰塵和/或異物進入,保留潤滑劑,並定位軸或類似物。
weight 2.25 lbs special features, 8.000 inches nominal overall length, cap, main bearing part name assigned by controlling agency, 6.000 inches nominal overall width, 1.500 inches nominal overall height