kaw12
Expert Class
Posts: 172
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posted January 22, 2011 03:02 PM
wheel bearings
what do you guys do to get the bearings in and out of your wheels and whats a good bearing to buy?
thanks in advance.
  
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capt10ed
Expert Class
Posts: 327
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posted January 23, 2011 09:44 PM
 Edited By: capt10ed on 24 Jan 2011 05:44
1. Use a drift pin to push out the old bearings.
2. Place the new bearings in the freezer to shrink them.
3. Place a light bulb over the bearing area to expand the hole.
4. If you do not have a bearing driver you can use a socket slightly smaller then the bearings outside dia.
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2014 Loring AFB 14 runs over 200mph
with a best of 208.1 in 1.5 miles
and 204.5 in the mile.
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kaw12
Expert Class
Posts: 172
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posted January 24, 2011 05:59 AM
thanks for the tips, capt_ed
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wylde
Expert Class
Posts: 371
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posted January 24, 2011 07:12 PM
i just bought the removal tool with the right size interior diameter,, works like a charm!
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There you go again,,NOT being aware of yourself !
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Bigbore4
Zone Head
Posts: 806
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posted January 30, 2011 09:56 AM
Don't put the bearings in the freezer!
Your asking for trouble with the potential for moisture when you bring them back to room temp.
They are not an extreme press fit. knock the old ones out and use a driver to knock the new ones in. Takes about 5 minutes.
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dougmeyer
Needs a job
moderated
Posts: 2713
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posted January 30, 2011 05:57 PM
Bigbore,
Come on, people have been putting bearings in "the freezer" for a shrink install for 100 years, (me for 40) with no disaster. If they are greased properly a tiny bit of condensation, if it occurs will be gone the first time they get warm.
I'd say that unless you have the correct service tool, a novice is far more likely to damage a race trying to knock 'em in. Not to mention running wheels in a driving rain (even though they're sealed brgs).
But, that's just me.
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It's not that I think you're dumb, it's just that so much of what you know isn't true....
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Bigbore4
Zone Head
Posts: 806
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posted January 31, 2011 12:27 AM
I know what you're saying, but an open bearing or race would be different, as it's equalized temp and dried out before you assemble it. I've done it a undred times on large assemblies with a tight fit, where you need all the help you can get, but I don't normally do it on sealed bearings. I might cool the shaft or warm up the bore that it's being pressed into, but not both on a sealed piece. Just my humble opinion 
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dougmeyer
Needs a job
moderated
Posts: 2713
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posted January 31, 2011 09:14 PM
I hear ya, cautious is OK, but but seeing people knock them in drives me nuts.
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It's not that I think you're dumb, it's just that so much of what you know isn't true....
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Bigbore4
Zone Head
Posts: 806
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posted February 01, 2011 03:03 AM
Obviously, if a guy gets one cocked and wails on it, you can distort the bore, especially with aluminum. Comes down to having the tools and knowledge to do it correctly.
We've all learned from experience, but it's always cheaper to learn from someone elses mistake and not your own
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