The one you selected got a good review here:
https://permies.com/t/48907/frugality/Electric-Coffee-Grinder
Don't go by just me, that links to a thread regarding the best coffee grinders.
The one you had had 14 reviews off amazon and a 4 star rating. Mine had about 235 reviews and a better rating, though not quite 5 star. I decided to trust amazon. The final selling point for me was that it had ceramic burrs instead of metal. Seemed to me that Alton Brown mentioned those type of burrs on a video he made for electronic grinders. I don't know which episode, but I do remember specifically going for that type of grinder for an electronic one. I decided to go manual though, so was looking for ceramic for that type of grinder as well.
You will have to post how the espresso machine works. I have never seen a manual one.
Adding one more point here. Sometimes items sold get "improved". So after getting a good reputation, they switch to a junkier setup then reviews might plummet. I cannot tell if that happened with your link to Amazon, but I am suspicious that a product that has been on the market as long as the permie thread would indicate only has 14 sales off of Amazon.