LM30UU 30mm Linear Bush Ball Bearing, closed linear ball bushing with resin retainer and two rubber seals . . Item: LM30UU Linear Motion Bushing . Type: Linear Motion Bushing . Size: 30mm x 45mm x 64mm . Lead Time: 10 to 60 days . Product Origin: Fuzhou, Fujian, China . Shipping Port: Fuzhou, Ningbo, Yiwu, Shanghai . Payment: T/T, L/C