<h3>Key features</h3><ul> <li>Main application:working with linear rails.</li> <li>Main parts:Aluminum housing + LM .UU linear ball bearings</li> <li>Packing list :1PC bearing</li> </ul><p>Escription:Main parts:Aluminum housing + LM .UU linear ball bearingsMain application:working with linear rails.The universal Ball Bearings is great for you to replace the damaged Ball Bearings in your devices to improve them efficiency and save energy. Widely used in home appliances, industrial, low noise and speed electric motors, construction machinery, automotive components, pumps, and machinery. Smooth moving, low friction, rigidity and long life. Economical, easy to maintain replace.Features:Model: SC6/8/10/12UUShaft ID: 6/8/10/12mmInner Diameter: 6/8/10/12mmMain application:working with linear rails.Main parts:Aluminum housing + LM .UU linear ball bearingsPacking list :1PC bearing</p><p>Free shipping included. 30-day hassle-free returns.</p>