<p>Rigid Plate Caster, Load Rating 300 lb., Wheel Dia. 4 In., Wheel Width 1-1/4 In., Overall Height 5-1/8 In., Wheel Material Polyolefin, Inside Bolt Hole Spacing 1-3/4 x 3 In., Outside Bolt Hole Spacing 2-3/8 x 3-3/8 In., Plate Type A, Wheel Color Black, Core Material Polyolefin, Wheel Bearings Plain Bore, Replacement Wheel IB0404106G, Plate Size 3-1/8 x 4-1/8 In., Durometer 70 Shore D, Core Color Black, Mounting Bolt Dia. 5/16 In., Frame Material Steel, Plate Thickness 0.149 In.</p> <p><br /><b>Features</b></p> <ul> <li>Number of Wheels: 1</li> <li>Caster Temp. Range Available: Yes</li> <li>Caster Temp. Range: -20 Degrees to 180 Degrees F</li> <li>Caster Plate Hole Pattern: A</li> <li>Non-Marking: Yes</li> <li>Caster Wheel Shape: Standard</li> </ul> <p></p>