Caster City, Inc. 4" x 2" PolyU on PolyO Wheel - Precision Sealed Ball Bearing UP4x2PS

These caster wheels are non marking injection molded polyurethane tires mechanically and chemically bonded to a polyolefin center. They are especially suited for use in Research Laboratories, Hospitals, Food Service, Schools, Bakeries and other Institutional applications. These caster wheels are easier rolling than Gray Rubber on smooth floors. They withstand exposure to many chemicals and solvents. They can be used in industrial applications which do not involve shock, overloading, abuse, obstructions, poor floors or storage ( standing ) loads. 4" Diameter 500 lbs. Capacity Precision Sealed Ball Bearings.