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。
standard internal fit-up designation, nsn2320-01-123-1610 end item identification, 2.1654 inches nominal bore diameter, lips turned outwardly bearing seal type, 2.0 degrees minimum and 5.0 degrees maximum contact angle