3" Polyurethane Wheel with Polyolefin Center- Delrin Bearing UP3x1-3/8D Price:$8.00    Each 3" Diameter 240 lbs. Capacity Delrin Bearings. Shown in photo with Ball Bearings. 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.