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-81322 mil spec single material response lubrication material document and classification, 1.6770 inches nominal overall length, grease lubrication material, 0.5470 inches nominal overall outside diameter, 0.3750 inches nominal outer ring width