HTD Timing Belt Pulley For Belt Series HTD For Belt Width 55 mm For Bushing Size F For Bushing Type Quick Detachable For Use With HTD Belts Material Cast Iron Maximum Bore Diameter 4 in Minimum Bore Diameter 1 in Number of Teeth 112 Outside Diameter 19.54 in Pitch 14 mm Pitch Diameter 19.65 in Face Width 2.75 in Features Built for High-Torque Low-Speed Applications Outperforms Industry Standards Superb Flexibility Finish Black Oxide For Belt Trade Size HTD