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