المكون الداخلي للمحمل الكروي أو الأسطواني الذي يوفر سطح اتصال للعناصر المتدحرجة للمحمل المضاد للاحتكاك.
nickel alloy overall material, 89.05 inches nominal overall outside diameter, ring,seal part name assigned by controlling agency, next higher assembly 2531270 special features, qq-n-288 form 7 fed spec single material response overall material document and classification