The universal Bearings Ball is great for you to replace the damaged Ball Bearings in your devices to improve them efficiency and save energy .</br>The bearing is made of carbon chromium bearing steel?? through hardened and precision ground handling?? providing safe and reliable for the bearing sleeve and the bearing housing assembly .</br>Ball in the cage loop to run a smooth ball guide surface to ensure even if high-speed operation?? low noise .</br>Great for linear motion on 3D Printer?? CNC?? and other applications .</br>We not just sell them?? we also provide professional after-sales service?? so welcome to discuss with us?? we will try to do technical support as much as we can.</br></br>Product Description</br></br>Description: <br> <br> The universal Bearings Ball is great for you to replace the damaged Ball Bearings in your devices to improve them efficiency and save energy. <br> <br> The bearing is made of carbon chromium bearing steel?? through hardened and precision ground handling?? providing safe and rel