HTD Timing Belt Pulley For Belt Series HTD For Belt Width 20 mm For Bushing Size SDS For Bushing Type Quick Detachable For Use With HTD Belts Material Cast Iron Maximum Bore Diameter 2 in Minimum Bore Diameter 1/2 in Number of Teeth 56 Outside Diameter 5.945 in Pitch 8 mm Pitch Diameter 5.614 in Face Width 1.125 in Features Built for High-Torque Low-Speed Applications Outperforms Industry Standards Superb Flexibility Finish Black Oxide For Belt Trade Size HTD