LM50UU 50mm Linear Bearing Engraving Machine Slider Linear Rolling, Smooth moving, Low friction, High rigidity, Long working life. . Item: LM50UU Linear Motion Bushing . Type: Linear Motion Bushing . Size: 50mm x 80mm x 100mm . Lead Time: 10 to 60 days . Product Origin: Fuzhou, Fujian, China . Shipping Port: Fuzhou, Ningbo, Yiwu, Shanghai . Payment: T/T, L/C