I am trying to find a group of parts to use for a friction drive. I have a motor with a 11 tooth #25 6.25mm pitch chain sprocket. The sprocket has a 8mm bore with race track shape hole to keep its location on the 8mm shaft from the motor. I would like to use a #25 chain to a 22 tooth spocket to drive a skateboard sized wheel. I need a 22 tooth sprocket, bearings, mountable shaft, wheel or way to attach skateboard wheel. I will build an arm or bracket to hold the sprocket/wheel assembly in place. The friction drive will be driving a rubber tire. Thanks for the help.
We offer a selection of #25 chain and sprockets here: robotshop.com/en/gears-belts … hains.html
Note that bike chain / sprockets might be compatible.
The sprockets we offer all need compatible hubs, so be sure to choose a hub from the same supplier as the sprocket.
We have some bearing blocks from certain manufacturers as well, especially ServoCity / Actobotics, and there are shafts as well.
If you can provide a drawing / sketch with dimensions, we can see if we can suggest specific parts.
It’s a custom project, so the choice of parts is ultimately up to you.