length (mm): 650 outside toothing wheel side: 23 Guarantee : 2 years Length [mm]: 647.5 Bore Ø [mm]: 9.6 Thread Size: M20X1.5 Outer gearing wheel side: 21 O-ring diameter (mm) : 49.5 Number of Teeth. ABS ring: 44 Number of Bores: 3 Bolt Hole Circle Ø [mm]: 117 ABS Ring Ø [mm]: 85 Tripod Roller Diameter [mm]: 30