一種圓柱形裝置,包含三個或更多個長方形球迴路,並配有一個保持器以引導球沿正確的路徑移動,專門設計用於滑動直線運動軸,以最大限度地減少摩擦和磨損。
stainless steel o/a,0.9995 in.min 1.0005 in.max bearing id,1.5625 in.min 1.5635 in.max od,2.2350 in.min 2.2500 in.max lg,1.6250 in.nom distance between retaining rings,0.5625 in.nom slot w,60.0 deg slot angle,0.9995 in.max shaft dia; special features