Air bearing casters system Advantages include low air consumption, enhanced floor surface operation, and extended wear life for production environments reducing plant maintenance cost. Shan Dong Finer Lifting Tools co.,LTD can provide 10 tons air casters, 16 tons air bearing casters, four air modular air casters, six air modular air casters, 20T air moving skates. Modular air casters with four or six air modular, can added or remove air modular as demand, but cause for the security concerns, please do not less than three air modular works. Air bearings move loads ranging from a few hundred pounds to more than 150 tons. Air bearings are made with a tough, wear-resistant urethane diaphragm and giving them superior performance compared to other air bearing devices. Regarding air casters package details,air casters factory in China, air casters pictures and price list, please kindly feel free contact us. professionally service hope will get your satisfaction.