PGGT Timing Belt Pulley For Belt Series PowerGrip GT For Belt Width 85 mm For Bushing Size 3020 For Bushing Type Taper Lock For Use With PowerGrip GT2 Pitches PowerGrip GT3 Pitches Material Cast Iron Maximum Bore Diameter 3 in Minimum Bore Diameter 7/8 in Number of Teeth 112 Outside Diameter 11.175 in Pitch 8 mm Pitch Diameter 11.229 in Face Width 3.75 in Features Built for High-Torque Low-Speed Applications Outperforms Industry Standards Superb Flexibility Finish Black Oxide