Product Type Wheel Hub End Plate Wheel Outside Diameter (Inch) 31/4 Wheel Width (Inch) 3 Wheel Arbor Hole Size (Inch) 5/8 For Use With 94508 Dynacushion For Belt Width (mm) For Belt Width (Inch) 3 For Belt Length (mm) For Belt Length (Inch) 1011/16 Hub Material Composite Maximum RPM 7000 Includes (2) End Plates PSC Code 3405