Emery DC8,
The 'Centering Bushing" forward end fits into the Three Legged Flange that
is bolted onto the end of the Tranny.
If it's not "Distorted" just "Lube It".
All the exacerbated R+R if it's "Boogered":
http://www.ps2cho.net/downloads/MB%20CD/W124/w124CD2/Program/Chassis/41-200.pdf