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。
0.4995 inches minimum and 0.5001 inches maximum overall outside diameter, grease lubrication material, 1.0005 inches maximum overall length, mil-g-23827 mil spec single material response lubrication material document and classification, 0.2760 inches minimum and 0.2810 inches maximum outer ring width