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。
0.7499 inches minimum and 0.7969 inches maximum overall length, 0.2760 inches minimum and 0.2810 inches maximum outer ring width, steel overall material, 0.190 inches nominal thread size, 0.4985 inches minimum and 0.4990 inches maximum overall outside diameter