4" Polyurethane Fixed Caster, Plate Mount
These casters feature a polyurethane wheel molded to a polypropylene hub with an oil-less bearing. They are excellent for a wide variety of applications where quiet operation, high wear factor and high corrosion resistance are a concern. These 4" fixed casters have a 4" x 2-5/16" Plate and 275 lbs. capacity.