TruePower 15X6.50-6" PU Flat Free Tire on Wheel, 3" Centered Hub, Both 5/8" & 3/4" Bearings and Spacers 15X6.50-6" Tire. 14" Tire Diameter. 5.5" Tire Width. Flat Free Tire made of solid, polyurethane foam. Non-marking. 3" Centered Hub. 5/8" Ball Bearings with 3/4" Spare Ball Bearings & Spacers, Includes Grease Zerk Perfect for hand trucks, brick carts, generators, pressure washers, garden carts and more. Also works great in both rigid and swivel casters. 500 lb load capacity. Not for highway use.