Hamilton® Flexonite Wheel 5 x 1-1/4 - 1/2" Oilless Bearing, Hamilton Casters, Mfr#: W-512-FO-1/2

this solid rubber wheel is molded of durable compounds designed for general purpose use. Constructed from a soft rubber tread permanently molded to a hard rubber core. Recommended for light loads where noise is a factor or floors are rough, but capacity is more limited.