4in x 1-1/2in Urethane on Iron Wheel with Roller Bearing for 1/2in Axle -

Rwm casters 4 x 1-1/2 urethane on iron wheel with roller bearing for 1/2 axle - 600 lb. Capacity our premium ptmeg urethane provides longer service life, better wear and tear characteristics and rejects floor debris. They will outlast rubber wheels. In addition, these wheels are non-marking to floors and provide a more quiet ride than hard tread or steel wheels. Urethane wheels also provide outstanding abrasion resistance and are resistant to most chemicals, grease, oils and water. All wheels up to 8 x 2-1/2 wide are standard crown tread that reduces the amount of friction between the tread and the floor, improving the rollability and maneuverability of the wheel.