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。
2.0000 inches nominal overall outside diameter, 1.2500 inches nominal outer ring width, mil-g-23827 mil spec single material response lubrication material document and classification, grease lubrication material, 3.2810 inches nominal overall length