4" x 2" Red Polyurethane on Silver Cast Iron Core - 800 lbs Cap

4" x 2" Red Polyurethane on Silver Cast Iron Core - 800 lbs Capacity CasterHQ's Red Polyurethane elastomer tread is chemically bonded to a silver cast iron core. Offers higher weight capacities while providing good floor protection and a smooth quiet rolling operation. Optional precision ball bearings bearings require less effort to start up and maintain a rolling load; they also generate less friction heat and may prolong the life of the wheel. Works well in both indoor and outdoor environments; however a cast iron core can rust; if this is an issue look at using aluminum or plastic core wheels. Questions? Please Call us @ 844-439-4335 or Contact Us Here For quick online service please email us: