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