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。
0.8760 inches nominal overall outside diameter, 1.9900 inches nominal overall length, mil-g-23827 mil spec single material response lubrication material document and classification, grease lubrication material, 0.5000 inches nominal outer ring width