LM40UU Closed Linear Ball Bushing, smooth movement, high rigidity and low friction . Item: LM40UU Linear Ball Bushing . Type: Linear Motion Bushing . Size: 40mm x 60mm x 80mm . Lead Time: 10 to 60 days . Product Origin: Fuzhou, Fujian, China . Shipping Port: Fuzhou, Ningbo, Yiwu, Shanghai . Payment: T/T, L/C