Originally Posted by stefan

Now that's a coincidence.
I bought 3 bearings for Sirio .12 from a shop that closed down.
Yesterday I wanted to replace the main bearing in one of my engines and it turned out that the first package I opened was the wrong bearing. It measured 11.2 x.21.2 x 4.9mm.
They all had the same product number and the other two bearing were 12x22x5.

You want that bearing?
PN me your address and I send it to you.