swft
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posted July 29, 2002 03:52 PM
Wheel bearings
So, I needed to put new wheel bearings in the the wheels I had powdercoated. Called up Ron Ayers (www.ronayersmotorsports.com) and they had all my info from the last order. Total price, both wheels, bearings and oil seals and snaprings, $28. I'm going to call the stealer tomorrow and ask for a quote so I can laugh at them. 
  
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Zhooligan
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posted July 29, 2002 04:01 PM
Was that a freudean slip calling the dealer a stealer!!!
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swft
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posted July 29, 2002 04:23 PM
Not at all!
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TedG
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posted July 29, 2002 05:52 PM
I looked up the price of a chain at Ron Ayers and it was 35 bucks cheaper than anywhere else I found.
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ZXtra
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posted July 29, 2002 06:18 PM
swft...You ever think of trying those ceramic bearings? They're expensive but apparently very low friction.  -ZXtra
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swft
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posted July 29, 2002 06:58 PM
Ceramic bearings? No, I hadn't really read anything on them! Got a link?
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BA
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posted July 29, 2002 08:45 PM
 Edited By: BA on 29 Jul 2002 21:47
Swft, just remember that these are "race only" unless you're prepared to carry a small oil can around with you and are going to lube them up frequently. They're not for the daily driver! (not the last I heard, anyway)
Hopefully you are either racing only, or have a spare set of rims for the racing, with an M/T on it ready to go!
I checked them out once, because I heard they were working on a 'street-ified' version, but I don't think the street version ever saw the light of day.
Seems like around $200-$250 for all bearings to do a front and rear wheel.(18 months ago)
Here's some info:
CERAMIC BEARINGS
http://www.bearingworks.com/fnb.htm
Dave Conforti 973-575-5229 or email at worldbrg@aol.com
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Zhooligan
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posted July 29, 2002 08:51 PM
Have to check them out.
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swft
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posted July 29, 2002 09:21 PM
Pricy! Dunno if they would make a difference. Their application is geared more towards very high speed applications, like turbochargers, etc.
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ZXtra
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posted July 29, 2002 11:09 PM
Edited By: ZXtra on 30 Jul 2002 02:33
I've read that they'll take 2/10's out of your quarter mile time.
Try here: http://www.worldwidebearings.com/1.htm -ZXtra
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entropy
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posted July 30, 2002 01:11 AM
Edited By: entropy on 30 Jul 2002 02:15
Guys,
I have ceramic bearings (from Dave Conforti) in my bike, 2 in the front and 3 in the back. If I remember correctly they were $75 each. VERY cool, but definitely "race only" IF you lube em with a light oil as BA says above.
I use Kawasaki Racing Chain lube on the 2 rear outside ones and grease on the front and inside (left) rear. I have regular grease on the ones which need taking the wheels off to lube because I don't want to go thru the hassle of removing the wheels routinely at the 1/4 mi track.
The ceramics have a lower rolling friction when under heavy load because the don't deform like steel, but the difference is not dramatic, prolly more like .050 sec in 1/4 than .200 for me on my "stock" 12. I put them on in conjunction with a non-ORing chain looking for small incremental improvements. Hey, TFA needs every edge we can get! 
If you are thinking about calling Dave and getting a set, I would advise using the stock seals rather than Dave's "special" seals. The special seals don't touch the rotating parts of the axle spools and thus have a tiny bit less friction. They also allow you to snake the squirter tube of the lube can bewteen the spool and the seal. But you can use the stock seal and just drill a oiling hole in it.
Just a thought.
They are VERY trick; impressed the shit out of the Mechanics at Lyle Lovett MC's in Houston who mounted the them, but in reality it seems they gave me a very modest improvement.
For a prostock or fuel bike, my guess is they are the tits; for a garden variety sub-200hp daily driver like mine, prolly more show than go.
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swft
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posted July 30, 2002 01:51 AM
I don't think they would be the ticket for an endurance (4+ hour) race bike. Can't be doing the lube thing everytime the bike pits. As you said, very cool, tho.
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Blink
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posted July 30, 2002 02:01 PM
I have the worldwide ceramic bearings in my Dymags. They have the optional (blue) seals installed and this decreases performance a little but he will install them for you for street riding. 2,000 miles so far and no problems.
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entropy
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posted July 30, 2002 02:22 PM
Blink,
yep, if you grease the ceramics they will last a long, long time.
If you use a very lightweight HC based lube, they will also last a long, long time, but need to be lubed very often
I talked with a ball bearing engineer (not a bearing house salesman) about them and he said the perf gain is when they are under heavy load or extreme heat.
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swft
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posted July 31, 2002 05:24 AM
They do sound cool, but I think I'll take a pass on them. Might bear investigation when it's time to replace the bearings in the Marchesinis, but until then I'm good to go. Thanks!
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RAC4IT
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posted July 31, 2002 02:13 PM
quote:
So, I needed to put new wheel bearings ... Called up Ron Ayers (www.ronayersmotorsports.com)... bearings and oil seals and snaprings, $28.
Awesome! Thanks for the heads up!
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swft
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posted July 31, 2002 03:03 PM
Just called the stealer - they wanted $15.82 per front wheel bearing. That's $31.64 for the bearings, another $13.68 for the seals. Rear wheel was $32.36 for the bearings, and 10.80 for the seal. That's:
$31.64
$13.68
$32.36
$10.80
_________
$98.48
Wow!
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entropy
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posted July 31, 2002 03:15 PM
swft,
$32.36 for all 3 rear bearings? seems cheap compared to the front?
$28 from R Ayers???? sounds like it is not a complete set of 5. He inexpensive, but I don't think he's THAT cheap, is he???.
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TurboBlew
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posted July 31, 2002 03:26 PM
Cross reference the bearings at a bearing house. Typical wheel bearing should cost $8 tops. I just bought 3 of them for my RCs. $24 with tax
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swft
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posted July 31, 2002 03:55 PM
Edited By: swft on 31 Jul 2002 16:56
Yah, he's that cheap! And all three bearings would include the sprocket bearing, it's fine.
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ninja12
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posted August 02, 2002 09:25 AM
Do you have a web address for the bearing house.
How about the cross ref # for those wheels?
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swft
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posted August 02, 2002 10:19 AM
I'll just get the stuff from Ron Ayers, it's OEM stuff, vice the cross referenced stuff. Don't need any suprises!
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