兩個單列環形球軸承,尺寸經選定,組成匹配對或匹配組。軸承套圈表面經過特殊研磨,達到規定的偏置量,安裝時可產生預定的預緊力。可能包含一個單列角接觸軸承,軸承套圈表面經過特殊研磨,適合雙列安裝。
light bearing preload designation, 2.5 pounds nominal bearing preload rating, contact bearing seal type, 0.0005 inches minimum radial and 0.0008 inches maximum radial internal clearance, 0.1875 inches nominal bore diameter