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。
0.4280 inches minimum and 0.4480 inches maximum outer ring width, nickel alloy stud material, 1.0430 inches minimum and 1.0830 inches maximum overall length, 0.6240 inches minimum and 0.6250 inches maximum overall outside diameter, steel comp 440c outer ring material