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。
0.0005 inches minimum radial and 0.0015 inches maximum radial internal clearance, 2.0 pounds nominal bearing preload rating, standard internal fit-up designation, 0.7500 inches nominal bore diameter, light bearing preload designation