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。
4.2500 inches nominal overall length, roller, eccentric part name assigned by controlling agency, steel overall material, 2 rows of cylindrical rollers, lubri-disc seal, and broach (hex hole). item is standard stud with bearing at the head end. special features, crane, bridge end item identification