At OMB Warehouse, we strive to provide the greatest selection and quality of parts for your outdoor power equipment.Need other parts to complete your project Check out our huge catalog – we have what you need.Wheel hubs come complete with 1/4″ hardware and are drilled and tapped for both 1/4″ & 5/16″ bolts, American pattern.This hub has a 3/4″ id inner bearing and a 5/8″ id outer bearingApproximate Measurements:Overall Diameter: 2-3/4″ (bolt hole area)Larger Shaft Outer Diameter: 2″Smaller Shaft Outer Diameter: 1-3/4″Overall Length: 2-5/16″