chain sprocket

Finished bore sprockets offer increased prevention of shaft slippage over minimum basic bore sprockets. Completed bores enable the to move larger loads with an increase of accuracy.

Toronto Gear Functions produces ready-to-ship completed bore sprockets that are manufactured with precision and are fast and easy to install. Our chain sprocket finishedboresproketscatalogue includes a variety of completed bore sprockets that can match many precise overall performance requirements.

Toronto Gear Works stocks steel completed bore roller sprockets for #25 (0.250” pitch) roller chain. We stock these in tooth counts which range from 9 to 72. All of our finished bore sprockets with a 0.500” bore or smaller are given two set screws. All of our completed bore sprockets with a 0.625” bore or greater have a typical keyway and two arranged screws. The keyway can be centered on the tooth and the set Leaf Chain screws are located over the main element at 90 degrees.

Steel finished bore #25 roller chain sprocket part numbers can be determined the following:

25BF + Tooth Count + “x” + bore size.

An example will be 25BF72x1-3/8. That is for a #25 roller chain. It has a “B” design sprocket which means that it has a hub. It includes a finished bore of 1 1.375” and it offers 72 teeth.

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