120BS28 Sprocket With 1-1/4" Finished Bore 120B12 Sprockets This 120BS17H sprocket features a

This 120BS17H sprocket features a 1-1/4" finished bore with a key-way and two set screws

For more information or to get a quote on our tier one 10B-4 roller chain

Something that is notable about this 10B12 sprocket is that it fully meets all ISO Standards

and precision sprocket with 28 hardened teeth that is manufactured to accept a R1 bushing

Pitch Diameter: 133

120BS28 Sprocket With 1-1/4" Finished Bore 120B12 Sprockets This 120BS17H sprocket features aThis 120BS28 sprocket features a 1 1 4" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 28 teeth. Something that is notable about this 120BS28 sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #120 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also black oxide coated which increases resistance to the