rear wheel hub

[Mark Rosenkrantz]

I beg to differ.  Those rear bearings carry the entire load to the tires and any increase in grip and/or hard usage will accelerate the wear.

Mark Rosenkrantz
Typos sent from my iPad

On Mar 2, 2013, at 5:39 PM, Tony Hoffman <auditony at gmail.com> wrote:

> The design of the bearing is such that hp, suspension, etc do not have a significant impact (no pun intended). BTW, the first A4 out here in the states was teh 172hp 12V V6. HOwever, there were A4's with as little as 115hp overseas.
>  
> However, if you pull the seals, you will see the reason I put additional grease in.
>  
> On a side note, I did both rears for a friends B5S4 stage3+, four years ago and about 60k miles now. He had been doing them at 30k like clockwork until then. No issues since, and plenty of track driving/potholes.
>  
> We (long time Audi guys) have seen this for years, including the early 4000/5000's. Same issue, same solution IMO. Though, they don't fail as early, generally lasting 80k+.
>  
> Tony
> 
> On Sat, Mar 2, 2013 at 8:49 AM, Mark Rosenkrantz <speedracer.mark at gmail.com> wrote:
>> Those rear bearings were designed for a stock 150? HP early 1.8T.  They kept them right through the B5S4... Same bearing and hub.  So add in more power, lowered suspension, bigger rims with wider tires, track use or track tires.... It's not uncommon to have to replace them every 30,000 miles.