Polyurethane Trolley Wheel with Cast Iron Core is available in a size and bore range of 300mm. The Trolley Wheel is made using quality grade polyurethane to ensure durability of usage. Polyurethane Trolley Wheel is fitted with cast iron core and is available in hardness ranging from 90 A to 95 A. Polyurethane Trolley Wheel with Cast Iron Core is designed with a load bearing capacity ranging from 20M to 50M.