100mm Cast Iron Wheel (Revvo Brand) with 12mm Plain Bore, 38mm Tread Width and 45mm Hub Length. Load Capacity = 250Kg.
These castor wheels are able to withstand high temperatures and combine strength and shock resistance with long life and economy, The have very low tractive resistance and are first choice where ease of movement is required. Cast Iron can cause floor wear and noise. Although protected by a clear lacquer finish, like all ferrous metals, they will eventually rust.
The Revvo CI Series cast iron wheels are close grained casting of grey iron material sometimes described as semi-steel.