Home -->Products --> SP-280 --> HANGER WHEEL     ABOUT SP-280     MAIN CONTROLLOR     DC MOTOR     DOOR HANGER     BACK TRANSMISSION DEVICE     FRONT ORIENTING DEVICES     SENSOR     HANGER WHEEL     PROGRAM SELECTOR       OTHER PRODUCTS          Cult3D Viewer Download       Downloads of Cult3D Viewer for Web Browsers.   Automatic Download of Cult3D Viewer.  Windows 9x/NT/2000/ME/XP  MacOS Classic  Linux 2.0 HANGER WHEEL Hanger rollers, using hight quality PU material which is low abrasion and antiaging, avoid travlling noise. And combination double bearings inside can enduce high pressure uniformly.