4" x 1-1/4" Black Polyurethane Wheel for Casters or Equipment 300 lbs Capacity

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This listing is for a 4 inch diameter by 1.25 inch tread width Black on Gray Polyurethane on Polyolefin Wheel with a 3/8 Precision Bearing in the Wheel and Full Thread Guards to protect the wheel and bearing from Dust and Debris. This Wheels withstands up tp 300 lbs of load capacity. Polyurethane Wheels are resistant to oil, grease, water, and most solvents and some acids up to 10% acidity. This is a very high quality Poly Wheel that rolls very quietly and smooth and does not flat-spot.