Bottom Bracket Bearing

beavis said:

Aside from the nice alliteration of "Bottom Bracket Bearing", there's
nothing nice about it. At least mine anyway. Bike is a Trek 4300, not
6 months old

At that age, I believe it should still be under warranty. If so,
assuming that you're the first owner, there's no reason to be fiddling
with it at all; take it to the dealer and let them fix it.

Quoted message said:

and already the drive side bearing makes so much noise it
probably registers on the Richter scale. My question to the experts
is: Can this bearing be removed from the large sleeve that it is in?

Not non-destructively as far as I have been able to determine.

Quoted message said:

If so, how? The bearing on the non-drive side is numbered 163110-2RS
and comes right out. It appears to be in good shape. I'm guessing the
drive side must be the same part number - if you can get to it. Thanks
in advance for the help!

PS - I have the piece in my hand and can read off any other part #'s
if need be.

Assuming that a warranty repair isn't an option for some reason,
rather than trying to save a few bucks with a kludge, why not just
spend the $25 to get a new BB assembly and put it in? I'm pretty sure
that the 4300 wears a conventional square-taper BB whcih can be had
for a reasonable price from a multitude of sources.
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beavis said:

Aside from the nice alliteration of "Bottom Bracket Bearing", there's
nothing nice about it. At least mine anyway. Bike is a Trek 4300, not
6 months old and already the drive side bearing makes so much noise it
probably registers on the Richter scale. My question to the experts
is: Can this bearing be removed from the large sleeve that it is in?
If so, how? The bearing on the non-drive side is numbered 163110-2RS
and comes right out. It appears to be in good shape. I'm guessing the
drive side must be the same part number - if you can get to it. Thanks
in advance for the help!

PS - I have the piece in my hand and can read off any other part #'s
if need be.

6 months? Go to the dealer-warranty is in order.

Qui si parla Campagnolo said:

beavis said:

Aside from the nice alliteration of "Bottom Bracket Bearing", there's
nothing nice about it. At least mine anyway. Bike is a Trek 4300, not
6 months old and already the drive side bearing makes so much noise it
probably registers on the Richter scale. My question to the experts
is: Can this bearing be removed from the large sleeve that it is in?
If so, how? The bearing on the non-drive side is numbered 163110-2RS
and comes right out. It appears to be in good shape. I'm guessing the
drive side must be the same part number - if you can get to it. Thanks
in advance for the help!

PS - I have the piece in my hand and can read off any other part #'s
if need be.

6 months? Go to the dealer-warranty is in order.

REI Online has a basic one for $17, delivered to my door. The bike
shop is 25 miles from my house (@ $3/gallon that's too far). I have
issues with the shop, anyway. I've shredded 2 wheels that they've
supposedly trued. I finally broke down and bought a dial indicator off
eBay and measured myself - only to find out that their definition of
true and my definition varied by about 30 mils. Spoke tension was an
issue, too - you can't true a wheel by loosening a spoke so much that
it's basically not even there in a mechanical sense. So, long story,
but that's why I don't like the shop. I just wish they'd pay me every
time I fix one of their mistakes...

Thanks for the help, guys! Enjoy the fall riding weather!