Caster City, Inc. 4" x 2" Polyurethane on Glass-Filled Nylon Caster Wheel UG4x2R

4" Diameter 700 lbs. Capacity Roller Bearing. These caster wheels have a liquid cast non-marking polyurethane tire chemically bonded to a Glass-filled Nylon core. Liquid cast polyurethane has a greater load capacity and tends to be more durable than injection molded polyurethane. The Glass-filled Nylon core prevents corrosion. These Polyurethane on Glass-Filled Nylon caster wheels withstand exposure to water, oil, grease, most solvents and chemicals. They are well suited for industrial, food processing, bakery, hospitals, schools and pharmaceutical applications.