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, 0.7500 inches nominal bore diameter, 0.0005 inches minimum radial and 0.0015 inches maximum radial internal clearance, 6.0 pounds minimum and 10.0 pounds maximum bearing preload rating, contact bearing seal type