مكون خارجي لمحمل أسطواني مدبب يوفر سطح اتصال للعناصر الدوارة للمحمل.
0.1300 inches nominal backface corner radius, 3.2500 inches nominal outside diameter, steel overall material, 0.7950 inches nominal overall width, cup stand must be held to 0.0000 in. low to 0.0020 in. high; single cup-measure stand from backface; cup id must be honed 8 microinches max special features