80BS40 Sprocket With 2-15/16" Finished Bore filter_H80BS11 and has a 3/8" stock

and has a 3/8" stock bore

HCST215-47 bearing is a 2-15/16" bore normal-duty take-up bearing that utilizes an eccentric locking collar to secure to a 2-15/16" shaft

Something else that is notable about this 60B21 sprocket is that it fully meets all ANSI Standards

the SAPFT207-23 1-7/16" bearing has incredible holding power and stability

Each precision component of this 06B SK2 attachment is made from top-quality carbon steel that has been heat-treated for extended working life and durability

80BS40 Sprocket With 2-15/16" Finished Bore filter_H80BS11 and has a 3/8" stockThis 80BS40 sprocket features a 2 15 16" finished bore including a key way and two setscrews. It is a durable, high quality, and precision 40 tooth sprocket that fully meets all ANSI Standards which, insures proper contact between the #80 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also black oxide coated which increases resistance to the environment and will prevent early rust build up. We also offer stock