Roller Chain Sprocket Finished Bore

Sprocket Industry Chain Size 40 Industry Chain Pitch 1/2 in Number of Teeth - Sprockets 12 Fixed Bore Bore Dia. - Sprockets 7/8 in Outside Dia. 2.165 in Single Number of Chain Rows Material - Sprockets Steel Pitch Dia. 0.5 in Type B Length through Bore 0.875 in Hub Dia. 1.563 in Set Screw Hole Dia. 0.25 in Keyway Size 3/16 in x 3/32 in Setscrew Location One Setscrew Over The Keyway and A Second Setscrew At 90 Degrees For Use With Roller Chain