HTD Timing Belt Pulley For Belt Series HTD For Belt Width 15 mm For Bushing Size JA For Bushing Type Quick Detachable For Use With HTD Belts Material Steel Maximum Bore Diameter 1 1/4 in Minimum Bore Diameter 1/2 in Number of Teeth 38 Outside Diameter 2.625 in Pitch 5 mm Pitch Diameter 2.381 in Face Width 0.84 in Features Built for High-Torque Low-Speed Applications Outperforms Industry Standards Superb Flexibility Finish Black Oxide For Belt Trade Size HTD