Additionally this bushing features a 10 millimeter bore with a standard keyway
100C90 sprockets with a stock bore come with the standard 1-1/2" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes
Clearances that are present between the chain and sprocket teeth make this coupling chain more flexible and responsive to produce quicker alignment and prevent overheating along with abrasion cause by expansion or contraction of the shaft
This 120BS21 sprocket features a 1-1/4" finished bore with a key-way and two set screws
100B16H sprockets with a stock bore comes with the standard 1-5/16" inside diameter hole with no keyway or set screws and can be easily machine bored to custom sizes
120S42 Sprocket (Taper Bushed) R Additionally this bushing features aThis 120S42 sprocket is a durable, high quality, and precision 42 tooth sprocket that is manufactured to accept a S1 bushing. Something that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #120 roller chain and sprocket, thus preventing premature wear or breakage and this means that it will directly interchange with most other manufactures sprockets. This sprocket is also black oxide