Browning® Bore Sheave, Finished Bore, 1-7/16 in Bore Diameter, 11-1/4 in Outside Diameter, 10.7 to 11.2 in Pitch Diameter, 1 Grooves, 7/8 in Face Width, Cast Iron, Additional Information: A, B Belt Section, 0.375 in Keyway Size, 1.53125 in Overall Width, Spoked Pulley Construction