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。
lubricant lubrication material, 1.1250 inches nominal overall outside diameter, plastic polyamide (nylon) seal material, 0.7450 inches minimum and 0.7500 inches maximum outer ring width, 2.0300 inches nominal overall length