6" X 2" Heavy Duty Caster Set of 4-2 Swivel Casters and 2 Rigid Casters -
POWERTEC Swivel Heavy-Duty Industrial Caster, 8 in. Wheel Dia 17051 - The Home Depot
Amazon.com: WDT 990Lbs Capacity Heavy Duty Rolling Utility Cart, NSF Rolling Carts with Wheels,Commercial Grade Metal Cart with Handle Bar & Shelf Liner,Trolley Serving Cart for Restaurant,Kitchen,Gray : Office Products
Heavy Duty Turntable Trolley | 1000kg Capacity | 5 Year Warranty – Handle-iT
Rubbermaid 8 Inch Pneumatic Wheel Kit For Heavy Duty Ergo Utility Cart | HD Supply
Replacement Cart Tire and Wheel
Extra Heavy, Super Duty, Extreme Duty Industrial Casters