D140B19 Sprocket With Stock Bore C100 Straight Side Plate Roller Chain #200U21 Sprockets have 21 teeth

#200U21 Sprockets have 21 teeth and is made for ANSI Size #200 roller chain

Part #: 80B40

What sets this 5202-2RS bearing apart from others is the ABEC 3 precision standard that this bearing is made to

40A15 sprockets with a stock bore comes with a 5/8" inside diameter plain hole and can be easily machine bored to custom sizes

the R4A-ZZ bearing features raceways that are precision honed to a superb finish

D140B19 Sprocket With Stock Bore C100 Straight Side Plate Roller Chain #200U21 Sprockets have 21 teethThis D140B19 sprocket is a durable, high quality, and precision double sprocket with 19 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 #140 2 double roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also black oxide