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。
0.8025 inches minimum and 0.8175 inches maximum inner ring width, grease lubrication material, 0.3746 inches minimum and 0.3752 inches maximum bore diameter, rigid alignment type, contact bearing seal type