Hi All,
Hopefully one of you E28 owners will have a old one lying around.
Could you please measure 3 things.
1. Overall Diameter.
2. ID of the bearing.
3. Thickness of the bearing assembly, from mounting face to mounting face.

Thanks heaps guys.

Go to www.mye28.com and do a "search".

You're bound to find most if not all of your answers.