Service Caster super heavy duty 12 x 5 inch polyurethane tread on iron core caster wheel with roller bearing.
6,000 pound capacity per wheel
Roller Bearing with 1-1/4" Bore
5-1/4" Hub Length (5-9/16" with spanner bushing)
Mold on polyurethane tread on iron core wheels have a hardness of 90-95 Shore (A) Durometer reading.
Wheel is green polyurethane tread on silver iron core.
Reliable, tough, easy rolling polyurethane tread chemically bonded to a iron core. Polyurethane wheels are non-marking, non-staining, and non-conductive. Also, resistant to oil, grease, water, and most solvents.