Installation position of needle bearing
WARNING: This page is about a different car, the 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
Distance -a- from lower edge of straight-edge to upper edge of needle bearing = 39.5 mm
NOTE:
Measure distance from top edge of straight-edge and subtract the width of the straight-edge from the measured distance.