NINOSO 6" Casters Set of 4 Heavy Duty Industrial Caster Wheels with Load 4800lbs Capacity, Polyurethane Wheels for Workbench,Tool Box,Dolly(2 Brake & 2 Rigid)

HEAVY DUTY CASTERS: 6'' Caster is made of high-quality polyurethane wheel and bright galvanized steel wheels. The polyurethane tread on cast iron core wheel offers higher weight capacities while providing good floor protection and a smooth quiet rolling operation. The caster wheels can operate at temperatures between -40°F to +160°F. The caster wheels have strong abrasion resistance, not easy to rust and durable, increasing the service life of casters.. HIGH LOAD CAPACITY: Each caster can support up to 1200 lbs (4800 lbs. for set of 4). Caster Wheels heavy duty are easy to push and save effort, which are designed for handling. Polyurethane on cast iron casters offer higher load capacity, superior wear resistance, lower rolling resistance, long service life and better chemical resistance compared to rubber casters, making them ideal for heavy-duty industrial applications.. ROLLER BEARING: The heavy duty cart wheels has roller bearings to reduce noise and floor marks for a smooth, quiet, and mark-free gliding experience on a variety of floors. The polyurethane wheels guarantee durability, longevity, and superior roll-ability.. WIDE RANGE OF USES: Caster wheels heavy duty work well in both indoor and outdoor environments. Heavy duty polyurethane casters use in industrial, warehouse, and manufacturing environments, such as pallet trucks, inventory carts, trolleys, platform carts, shopping carts, furniture, luggage carts, workbenches and many other uses.. CASTER SIZE: Top Plate Caster Dimensions: Length: 4-1/2'' x 4''. Hole Spacing: 3-5/8'' x 3''. Polyurethane caster wheel size: 6'' x 2''. Overall height of casters: 7-1/2''. High-quality polyurethane treads are non-marking and safe for epoxy, concrete, coment and other industrial floors.