One Service Caster 4 inch diameter by 1-1/2 inch wide high temperature phenolic wheel.
600 pounds capacity per wheel
Hub Length: 1-5/8"
3/8" ID Steel Sleeve
475°F continuous usage
525°F intermittent usage
Phenolic wheels also have a high resistance to impact damage while providing protection for floors in commercial and industrial settings. These easy rolling wheels are quieter than comparable steel wheels. Phenolic resin wheels feature a resistance to water, oil, and grease. Being non-metallic, these resin wheels are also spark proof.