PGGT Timing Belt Pulley For Belt Series PowerGrip GT For Belt Width 85 mm For Bushing Size 2012 For Bushing Type Taper Lock For Use With PowerGrip GT2 Pitches PowerGrip GT3 Pitches Material Cast Iron Maximum Bore Diameter 2 in Minimum Bore Diameter 1/2 in Number of Teeth 29 Outside Diameter 5.562 in Pitch 14 mm Pitch Diameter 5.088 in Face Width 4 in Features Built for High-Torque Low-Speed Applications Outperforms Industry Standards Superb Flexibility Finish Black Oxide