Swivel Caster, Material Handling Type, Wheel Dia 6 In, Wheel Width 2 In, Load Rating 900 Lb, Overall Height 7 1/2 In, Replacement Wheel 1ULR9, Double Ball Raceway, Roller Bearings, Polyurethane on Polyolefin Wheel Material, Wheel Color Red Tread, Black Hub, Soft Tread, Durometer Range 95 Shore A, Mounting Type 15, Bolt Hole Spacing 2 5/8 x 3 5/8 to 3 x 3 In, Mounting Bolt Dia 3/8 In, Plate Material Steel, Plate Thickness 1/4 In, Zinc Plated Caster Finish