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;2.9988 in.min 3.0000 in.max working bore;4.4990 in.min 4.5000 in.max od;5.9700 in.min 6.0000 in.max lg;4.4850 in.min 4.5150 in.max distance between retaining rings;use part number w-3000 retaining ring (not furnished); special features