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。
0.4990 inches minimum and 0.5000 inches maximum overall outside diameter, 0.3700 inches minimum and 0.3750 inches maximum outer ring width, steel end platesteel outer ringsteel rollerplastic polyamide (nylon) sealsteel stud material, 1.0312 inches nominal overall length, lips turned outwardly bearing seal type