Outer diameter: Φ240mm
Inner diameter: Φ110mm
Thickness: 5.0mm
Mounting aperture: Φ124mm
Threaded aperture: Φ145mm
Mounting hole: 6-Φ6.5mm
Counter Boring: 6-Φ12mm     Depth: 2mm
Threaded holes: 6-M4
Threaded hole Spot facing: 6-Φ8mm     深度/Depth: 1.5mm 
Equipped with LY-QJ020 齿圈/Gear ring