Listing is for 1 (One) Service Caster 3-1/2" x 1-1/4" Red Polyurethane on Polyolefin core caster wheel.
300 pound capacity per wheel.
Ball Bearing with 3/8" bore for axle.
Hub Length: 1-9/16".
Durometer: 55 Shore D (+/-5).
High capacity, lightweight poly wheel features a polyurethane wheel tread permanently interlocked by mechanical bonding to the polyolefin core.
Wheel tread is non-marking, smooth rolling and quiet. Also, highly resistant to oil, grease, water, and most solvents.