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, 0.6200 inches minimum and 0.6250 inches maximum outer ring width, grease lubrication material, contact bearing seal type, 1.6250 inches nominal overall length