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。
medium bearing preload designation, 9.0 pounds minimum and 15.0 pounds maximum bearing preload rating, angular load direction, 15.1 degrees nominal contact angle, 0.4722 inches minimum and 0.4724 inches maximum bore diameter