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。
mil-g-23827 mil spec single material response lubrication material document and classification, 0.8540 inches minimum and 0.9530 inches maximum overall length, grease lubrication material, 0.3850 inches minimum and 0.4220 inches maximum outer ring width, 0.4990 inches minimum and 0.5000 inches maximum overall outside diameter