The Carrymaster ACLMU Series is a new family of light/medium duty single polyurethane wheel casters with excellent performance in rolling and highly noiseless. The ACLMU Series is highly recommended for carts, medical devices, semiconductor equipment, food production equipment, and in many other light/medium duty mobility applications (automated guided vehicles - agv, autonomous mobile robots). Casters in the ACLMU Series come in many different configurations: swivel flange (SF), swivel flange brake (SFB), rigid flange (RF). With a net weight from 1.63 lb to 3.48 lb and a load capacity from 352.74 lb to 485.02 lb, all Carrymaster ACLMU casters are light and have a corrosion-resistant structure.