40BS25 Sprocket With 5/8" Finished Bore filter_35B70-SB This 120BS28 sprocket features a

This 120BS28 sprocket features a 1-1/4" finished bore with a key-way and two set screws

Length Thru Bore: 2-3/4"

SALF207-20 flange bearings are designed for circumstances where the bearing is mounted to a surface perpendicular to the shaft axis and can fit in more space-restricted areas while still offering excellent stability with two mounting holes

the 12B K2 attachment has a bent tab on both sides with two holes each for mounting

40BS25 Sprocket With 5/8" Finished Bore filter_35B70-SB This 120BS28 sprocket features aThis 40BS25 sprocket featured a 5 8" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with hardened teeth. 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 #40 roller chain and sprocket thus preventing premature wear or