E.R. Wagner CSRT-J228-01 5" Diameter Phenolic Resin Wheel Medium-Heavy Duty Swivel Plate Caster, 650 lbs Capacity Range Roller Wheel Bearing Mounting Dimensions 2 5/8" x 3 5/8" to 3" x 3" Overall Height 6 1/2" Load Rating 650 LBS Caster Finish Zinc