Originally Posted by glenmore

The Chinese sourced bearings are readily available on ebay for $70.

IIRC I held the allen and removed the nut with wrench but this was with the unit removed from the car.

I have an extra bearing that you can have for a lot less. I will check the size.

The bearing is marked C&S 320-2001 China. It is 52mm OD, 32mm ID, 18mm outer ring height, 20mm inner ring height.