Thanks Chris !
I felt so “dumb” as I done this before > 1 year ago when it first happened and time I was rattling my brain.
The reason is — the bearing is STUCK to the bolt. That is why I can’t get it out. I am thinking did I drip some loctite on it by accident the last time I did this?? Or somehow the bolt is fused tight to the bearing - it wont come off at all hence the bolt can’t slide through the brake disc (as in your pic) as the bearing is fused tight.
Tried using a mallet to separate the bolt - NOPE it’s totally fused. I no idea how that happened… surely not loctite! 
Thankyou once again!
I have it at the nearby Strida LBS.