4" x 2" White Polyolefin Wheel - Roller Bearing PW4x2D Price:$20.00    Each 4" Diameter 500 lbs. Capacity Delrin Bearing Size shown in photo is 6 x 2 with Delrin Bearing. Home | Application Tips | Standard Products - Casters and Caster Wheels | Warranty | Summary | Contact Us Casters - Helpful Tips | Special Products - Casters and Caster Wheels | Web Resources | Site Map Photos & graphics are for informational purposes only. Actual product may vary slightly from those shown. Wheel colors may vary unless specified. If wheel color is important, please contact us for current inventory.