About sources for gears:
There are a lot of online places you where can buy gears/sprockets… Here are some suggestions from different people:
“A few good small components sources:
www.wmberg.com
www.allieddevices.com” - Keithicus
“mcmaster.com and stock drive products (sdp-si.com) are good sources. Also, motion industries is a good source.” -Joe J.
“
http://www.globalspec.com
You can search across the industry for the part you want. It is particularly useful for gears and sprockets.” -ChrisH
“We found a company called Motion Industries that carried the identical part. Turns out they have about 500 outlets around the country (check their locator at
http://www.motionindustries.com/ ).” -dlavery