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。
contact bearing seal type, 2.7812 inches nominal overall length, 1.8750 inches nominal overall outside diameter, 1.0000 inches nominal outer ring width, steel end platesteel outer ringsteel rollerplastic polyamide (nylon) and molybdenum sealsteel stud material