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。
3.1493 inches minimum and 3.1496 inches maximum overall outside diameter, 1.2650 inches minimum and 1.2750 inches maximum overall width, b-1b acft end item identification, 2.1652 inches minimum and 2.1654 inches maximum bore diameter, angular load direction