8" x 2-1/2" Swivel Caster with Ergonomic Polyurethane on Iron Wheel
These casters are built with an energy saver polyurethane on iron wheel specially engineered with high tensile strength and for low initial force to push/pull. Roller bearings and a 3/8" cold-rolled stamped steel caster rig ensure that these casters will provide many years of reliable service. Caster Rig Features: 3/8" thick cold rolled stamped steel 3/4" heavy-duty kingpin. Zinc plated finish is attractive & corrosion resistant. Zerk grease fitting in raceway & axle for maintenance. Polyurethane on Cast Iron Wheel Features: Crowned polyurethane tread chemically bonded to solid heavy-duty cast iron core. Engineered for low initial force to push/pull. Roller bearings Dark blue tread on black core. Durometer: Shore A 95