Split Timing Belt Pulley For Belt Series H For Belt Width 1 in For Bushing Size Q1 For Bushing Type Split Taper For Use With 0.5 in Trapezoidal Pitch Material Cast Iron Minimum Bore Diameter 3/4 in Number of Teeth 72 Outside Diameter 11.405 in Pitch 0.5 in Pitch Diameter 11.459 in Face Width 1.25 in Features Built for High-Torque Low-Speed Applications Outperforms Industry Standards Superb Flexibility For Belt Trade Size H Material Fabrication Cast Number of Flanges 0