I needed a graphic for a conveyor belt and put this together. The image I have uploaded has 3 links back to back. For longer belt just duplicate a link and move it to the end.
This is a completely free image Conveyor Belt that you can download, post, and use for any purpose.
Image License: CC0 No Rights Reserved
You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission, and at no cost. This image is completely free.