It not with your thumbs lol, you have a tool!
Was wondering about something like this and a correct sized washer as a budget remover?
FIRSTINFO Light Windscreen Wiper Arm Remover Removal Tool (Fit Opening Dimension: 0.59 Inch (15.2mm)) Internal Height: Approx. 1.06" (27.2mm)
https://amzn.eu/d/4KvOkdW
As you can see, I’m trying to think outside the box for a cheap solution vs a hammer so bearings aren’t destroyed!