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。
0.9995 inches minimum and 1.0010 inches maximum overall outside diameter, 0.438 inches nominal thread size, 0.5260 inches minimum and 0.5310 inches maximum outer ring width, steel overall material, 1.9529 inches minimum and 1.9999 inches maximum overall length