80BS28 Sprocket With 1-3/4" Finished Bore Quad Strand Metric Roller Chain SER204 bearing is a normal-duty

SER204 bearing is a normal-duty ball bearing insert with a snap ring made to C3 precision standards and utilizes set-screws to secure to a 20mm shaft

120A25 sprockets with a stock bore comes with a 1-1/4" inside diameter plain hole and can be easily machine bored to custom sizes

This 50P32 sprocket is a durable

Our vibration-damping RCSM-8 bearing is made according to C3 precision standards

80BS28 Sprocket With 1-3/4" Finished Bore Quad Strand Metric Roller Chain SER204 bearing is a normal-dutyThis 80BS28 sprocket features a 1 3 4" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 28 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 #80 roller chain and sprocket thus preventing premature