4″ High-Temp Phenolic Wheel With 1/2″ Plain Bore 1-3/8″ Hub 200 Lbs CapacityHT40GQ83All load capacities are rated for room temperaturesPhenolic resin filled with fiber glass for high-temperature resistance
4″ High-Temp Phenolic Wheel With 1/2″ Plain Bore 1-5/8″ Hub 400 Lbs CapacityHT40HQ83All load capacities are rated for room temperaturesPhenolic resin filled with fiber glass for high-temperature resistance
4″ High-Temp Phenolic Wheel With 3/4″ Plain Bore 2-3/16″ Hub 600 Lbs CapacityHT40JQ88All load capacities are rated for room temperaturesPhenolic resin filled with fiber glass for high-temperature resistance