80BS54 Sprocket With 2-3/16" Finished Bore 60B17 Sprockets and has a 30mm bearing

and has a 30mm bearing inside diameter

this 3/4" wrench chain directly interchanges with other brands and can be used within a broad range of chain wrench tools as well as other applications

Insert Bearing #: CSA201-8

Housing With Rubber Insert Part #: 728-2-MFM

Bearing Insert: UC 204-12

80BS54 Sprocket With 2-3/16" Finished Bore 60B17 Sprockets and has a 30mm bearingThis 80BS54 sprocket features a 2 3 16" finished bore including a key way and two setscrews. It is a durable, high quality, and precision 54 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