Synchronous Pulley; 1/2" Belt Width; 3/8 Inch Belt Pitch; L Belt Style; 25 Teeth; 0.748" Face Width; Rough Bore; 2.954" Outside Diameter; 2-63/64" Pitch Diameter; No Keyway; No Bushing; Yes Minimum Plain Bore

Synchronous Pulley; 1-1/2" Belt Width; 1/2 Inch Belt Pitch; H Belt Style; 25 Teeth; 1.772" Face Width; Bushed; 3.925" Outside Diameter; 3.979" Pitch Diameter; Yes Keyway; 1/2 To 1-5/8" Bushing Bore Range; 1610 Bushing; No Minimum Plain Bore

Synchronous Pulley; 1" Belt Width; 1/2 Inch Belt Pitch; H Belt Style; 25 Teeth; 1-5/16" Face Width; Rough Bore; 3.925" Outside Diameter; 3.979" Pitch Diameter; No Keyway; No Bushing; Yes Minimum Plain Bore

Roller Chain Sprocket; 60-2 Chain; 25 Teeth; 2 Row of Teeth; Hardened Teeth; 6.387" Outside Diameter; 5-63/64" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 3/4" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 10B-1 Chain; 25 Teeth; 1 Row of Teeth; Hardened Teeth; 126.66MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 15.875MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material