Quote Originally Posted by phabib View Post
You could assume that, but you would be wrong. The T-20 bearings might start out in life as a standard bearing, but they are ground thinner in order to fit. I don't know if they used to be a standard bearing, which was discontinued and now needs a reworked standard bearing as a replacement or if it was always this way.

You need to order the T-20 bearings from RI.
Thank you Philippe. I do appreciate this info. I have mo idea how to grind any bearing properly anyhow.