QUALITY GUARANTEE --- These Linear Motion Ball Bearings cast with good quality bearing steel, 100% Brand new, for low noise and long using life.
DOUBLE SEALED DESIGN --- The Slide Bearing are double sealed, so as to avoid contaminants entering and save lubricant.
BASIC DIAMETER PARAMETER --- The linear ball bearing has a 6mm / 0.24 inch inner diameter, a 12mm / 0.47inch outer diameter, and a 19mm / 0.75inch height.
COMMONLY USED FO --- These LM6UU Slide Bearings are great for small hobby 6mm shaft/rod projects such as 3D printer, engraving machine.
SATISFACTION GUARANTEE --- We care for every customers feeling.If this product does not meet or exceed your expectations,please send it back for a 100% refund no questions asked.