The Carrymaster ACLU Series is a new family of light-duty single polyurethane wheel casters with excellent performance in rolling and highly noiseless. The ACLU Series is highly recommended for hospital beds, medical devices, light load trolley, light load carts, and in many other light-duty mobility applications (automated guided vehicles - agv, autonomous mobile robots). Casters in the ACLU Series come in many different configurations: swivel flange (SF), swivel flange brake (SFB), rigid flange (RF), swivel stem (SS), swivel stem brake (SSB). With a net weight from 1.08 lb to 2.51 lb and a load capacity from 220.46 lb to 264.55 lb, all Carrymaster ACLU casters are light and have a corrosion-resistant structure.