Linear Ball Bearing - 8mm diameter [LM8UU] ID: 1181 - $2.95This linear ball bearing is sort of the opposite of the radial ball bearings you may be familiar with. Its intended to slide along an 8mm linear shaft, rather than rotate around it.  These are very basic bearings, they're meant for a stepper-motion controlled setup so they're not High quality 12Pcs 8mm Linear Bearing LM8UU 8*15*24mmCylewet 4Pcs LM8UU Linear Bearing 8mm Ball Bushing Linear Slide for 3D Printer 8mm x 15mm x….  8 Pieces Igus Drylin RJ4JP-01-08 Anet A8 Prusa i3 3D Printer RepRap LM8UU Bearing.  3D Printer Solid Polymer LM8UU Bearing 8mm shaft - Igus Drylin RJ4JP-01-08 for Anet A8 Prusa i3 3D 
Easy RepRap - 12 LM8UU Linear Bearings for  3D Printer Solid Polymer LM8UU Bearing 8mm shaft - Igus Drylin RJ4JP-01-08 for Anet A8 Prusa i3 3D…. 10 Pieces Igus Drylin RJ4JP-01-08 Prusa i3 Mk2s Prusa i3 Mk3 Anet A8 Prusa i3 3D Printer…. High quality 12Pcs 8mm Linear Bearing LM8UU 8*15*24mm Motion Liner Ball Bush Bushing Ball Where to get quality lm8uu linear bearings - RepRapWhere is the best place for me to get some quality lm8uu linear bearings. The cheap eBay Chinese ones I have used have already started to LM8UU | Linear Bushing LM Type | THK | MISUMI USALinear Bushing LM Type of THK,LM8UU, Check out the variety of configurable, Linear Bushing LM Type of THK,LM8UU,MISUMI has other mechanical