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。
1.2500 inches nominal outer ring width, grease lubrication material, contact bearing seal type, 3.2812 inches nominal overall length, beacon 325,humble oil and refining co mfr ref single material response lubrication material document and classification