outside toothing wheel side: 23 Guarantee : 2 years Length [mm]: 653 Bore Ø [mm]: 8.6 Thread Size: M20X1.5 Outer gearing wheel side: 23 O-ring diameter (mm) : 57.5 Number of Teeth. ABS ring: 44 Number of Bores: 3 Bolt Hole Circle Ø [mm]: 135 ABS Ring Ø [mm]: 85.2 New Part Tripod Roller Diameter [mm]: 30