一種可拆卸組件,與凸輪或類似裝置形成滾動接觸,並將往復運動或振盪運動轉換為線性運動。該組件由外圈和一體式螺柱組成。它不使用滾動元件,但可能包含非金屬襯套或套筒,以減少摩擦和/或提供潤滑。另請參閱凸輪從動件、滾針軸承。
zzzy criticality code justification, material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications reference number differentiating characteristics