TruePower 10-9111 5/8" Roller Ball Transfer Bearings， Set of 6</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>360 Universal transfer bearings - load rating is 55 pounds</li><li>Excel where shop materials are pushed and turned in all directions</li><li>Rollers have 5/8 inch hardened Steel balls rotating on 1/8 inch internal bearings</li><li>19Mm high x 29Mm wide x 50Mm long(base mounting bracket)</li><li>For use bearing side up only， not for use as castor wheels</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/4189i2Yzb7L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/21k5bYpHd4L.jpg' noproxy></br>