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。
cbc calibration designator, 0.3904 inches minimum and 0.3906 inches maximum overall outside diameter, radial load direction, unable to decode material, 0.2498 inches minimum and 0.2500 inches maximum bore diameter