Hub For Ford Tractor 8N Naa Nab Jubilee /8N1171 100% new hub meets OEM quality for tractors and farm equipment 1-year warranty covers you throughout planting and harvesting seasons Factory direct pricing delivers an honest value for hard-earned money Replaces OEM Numbers: Ford/New Holland: 8N1171 Specs: Description : Hub, Hub is 2" inside diameter by 7 1/2" outside diameter, 8 studs 5/8" x 18 pitch.