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, 0.9940 inches nominal overall length, grease lubrication material, 0.4690 inches nominal outer ring width, 0.8760 inches nominal overall outside diameter