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。
steel inner racesteel outer racesteel roller material, 1.0000 inches nominal outer ring width, 1.7500 inches nominal overall outside diameter, 2.7500 inches nominal overall length, 0.7500 inches nominal stud diameter