LM20UU Linear Motion Slider Bearing, chromium Steel shell and bearing ball, good abrasion resistance, high precision and good strength. . Item: LM20UU Linear Motion Bushing . Type: Linear Motion Bushing . Size: 20mm x 32mm x 42mm . Lead Time: 10 to 60 days . Product Origin: Fuzhou, Fujian, China . Shipping Port: Fuzhou, Ningbo, Yiwu, Shanghai . Payment: T/T, L/C