Long story short, it was really loud. This post came to the rescue: https://tech.akom.net/index.php?url=archives/132-Replacing-Dishwasher-Circulation-Pump-Bearings-without-buying-a-whole-new-unit.html.
I had to grind down the outside angles on the gear puller so it would grab the stuck-on bearing right (thanks to this comment for the suggestion: “Jeremy on 2022-05-05 14:29”).
Here’s the motor I replaced the bearings on:
Some other resources:
- https://pisoskateboards.com/blogs/info/everything-you-need-to-know-about-your-skateboard-bearings
- https://bearingfinder.ntnamericas.com/item/deep-groove-ball-bearings/single-row-radial-ball-bearings/608zz
- https://www.zumiez.com/rush-abec-7-skateboard-bearings-376804.html
- https://www.menards.com/main/tools/automotive/automotive-tools-shop-equipment/performax-reg-gear-puller-set-3-piece/menw346/p-1452112271138-c-9113.htm?exp=false
- https://www.repairclinic.com/PartDetail/Circulation-Pump-Motor/DD81-01640A/3447464#customerReview