140BTB18 Sprocket (Taper Bushed) 10B Hollow Pin Roller Chain This 100BS10 sprocket features a

This 100BS10 sprocket features a 1" finished bore with a key-way and two set screws

Dimension (L1): 4-1/2"

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

and precision sprocket with 26 hardened teeth that is manufactured to accept a E bushing

Sprocket Size: 140A32

140BTB18 Sprocket (Taper Bushed) 10B Hollow Pin Roller Chain This 100BS10 sprocket features aThis 140BTB18 sprocket is a durable, high quality, and precision sprocket with 18 hardened teeth that is manufactured to accept a 3020 bushing. Sprockets that have hardened teeth last longer and are much more durable than those that don't. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #140 roller chain and sprocket which prevents premature wear or breakage. This