由滾輪和螺柱組成的組件,用於與凸輪產生滾動接觸,並將往復運動或振盪運動轉換為線性運動。
2.4990 inches minimum and 2.5000 inches maximum overall outside diameter, 1.000 inches nominal thread size, 3.7812 inches nominal overall length, 1.4950 inches minimum and 1.5000 inches maximum outer ring width, steel overall material