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。
abec no. 9p standard tolerance designation, ground surface finish, 0.2190 inches nominal overall width, 0.39040 inches minimum and 0.39045 inches maximum overall outside diameter, 0.24985 inches minimum and 0.24990 inches maximum bore diameter