W-830-D-1 8 x 3 Duralast Polyurethane on Cast Iron Wheel, 2500 lbs Capacity
8" x 3" green polyurethane on cast iron wheel. With 1 ID roller bearings. 16PI04201S 4" x 2" Albion Swivel Plate Caster Polyurethane Wheel 700 lb Capacity.
4DGATEB 4 Spring Loaded Gate Caster with Brake, Rubber Wheel, 40 lbs Capacity.