مكون داخلي لمحمل أسطواني مدبب يوفر سطح اتصال للعناصر الدوارة للمحمل.
23.0 millimeters nominal overall width, gear reducer (input shaft) end item identification, 65.0 millimeters nominal bore diameter, standard internal fit-up designation, 120.0 millimeters nominal overall outside diameter