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Home✈️Aircraft🚁HelicopterHelicopter Main Discussion › Ceramic bearings-worth the cost??
06-17-2009 10:04 PM  11 years ago
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Nickvon

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London, England

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Ceramic bearings-worth the cost??
Okay, so I've established that my hyper 50's bearings are shot, now time to replace them. Boca bearings has an amazing range, the big difference is between stainless steel and ceramic, the question is, is ceramic going to give me WAY more performance, or is it just going to mean that I get way more life out of my engine? Is it worth it?
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06-17-2009 10:06 PM  11 years ago
jschenck

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La Vista, NE.

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Not worth it - buy the $7 bearings and replace them as needed. Call your buddies and buy several sets at a time to help spread the shipping costs.
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06-17-2009 10:11 PM  11 years ago
Andy from Sandy

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UK

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Many that have gone before you have purchased SS and ceramic bearings. It has been widely reported on here that the ceramics break up and then so does you engine. The SS bearings don't last much longer to warrant the extra cost.

rc-bearings.com for very low cost bearings. The front one does not normally need changing.
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06-17-2009 10:28 PM  11 years ago
JJMAN (RIP)

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Chesapeake, Virginia - USA

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I learned the hard way about ceramic engine bearings, you dont have to, dont do it.JAY HIGGS
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06-17-2009 10:31 PM  11 years ago
JRjoe

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Jonesville , IN USA #1

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Ceramic Bearing are 100% not worth it. Just buy the cheap ones.
JRjoe.....
Indoor plumbing??? No, we don't need that!!!
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06-17-2009 11:05 PM  11 years ago
Nickvon

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London, England

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Weeeeeell that's a negative ghost-rider! Will leave the ceramics in the bathroom then. Thanks guys.
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06-18-2009 12:10 AM  11 years ago
TaleGunner

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Deer Park WA

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they work as well as this
CRASH! GLUE! REPEAT!
Spectra-G, Ion X-2
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06-18-2009 12:12 AM  11 years ago
jbdww

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Round Rock, Texas

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I destroyed an OS 50 with ceramic bearings. Do not use them.
Joe
Skids Up
http://www.jbdww.com
http://twitter.com/jbdww/
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06-18-2009 12:14 AM  11 years ago
MaSt0RaS

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Greece

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not the ceramic but the better wquality bearings such as the rc-bearings? are worth the money?
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06-18-2009 02:15 AM  11 years ago
dkshema

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Cedar Rapids, IA

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The inexpensive steel bearings from RC Bearings work just fine. I bought a couple of sets, just to have a spare around for next time. I get about a flying season here in Iowa out of a set.

The stainless steel races/ceramic ball versions fail just about as quickly as the steel ones, and it's the races that fail. The balls are usually very happy, but their cage to roll around in flakes away.
-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz
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06-18-2009 02:25 AM  11 years ago
Furious Predator

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Kitchener, Ontario, Canada

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when it comes to the larger engines. a lot of us here have found that the stock OS bearing (made by NTN) has the highest quality and lasts the longest compared to anything else out there.

they aren't cheap for a reason.
Shawn
Team Leisure-Tech
Team HelixRC
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06-18-2009 03:10 AM  11 years ago
devious17

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Malaysia

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If you have money spilling all over as you walk then go ahead and get them ceramics ,they are mere ego booster.

You would see some improvement on higher RPM application like the on/off roaders.
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06-18-2009 08:12 AM  11 years ago
Taipan

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Sydney, Australia

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What about in electric motors?? Would ceramic last longer??

Like in a Scorpion 4035-560 for T-Rex 700E.
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06-18-2009 02:06 PM  11 years ago
rotorstart

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USA

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I use ceramic bearings in the main shaft blocks on my Trex-600ESP. The 600ESP has the infamous play in the main shaft and my tictoc habit is likely to make the bearings suffer a whole lot more. The ceramic bearings is going smooth for about 80 flights so far without that notchy feeling like the stock bearings did for me after about 50 flights.
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06-18-2009 03:02 PM  11 years ago
Big Edge

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Oldsmar, FL USA

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rc-bearings.com for very low cost bearings. The front one does not normally need changing.
I've received great service from rc-bearings.com.. Good prices also.
-----------------------------
Don't taze me bro...
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06-18-2009 05:23 PM  11 years ago
Andy from Sandy

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UK

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OS bearing (made by NTN) has the highest quality and lasts the longest compared to anything else out there.

they aren't cheap for a reason.
I don't know where you are getting your bearings from but they are only $7 a set from HK. Cheap as chips!!

http://www.keimod.com/shop/product_...2ed5ce5e94dc2d8
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06-18-2009 05:36 PM  11 years ago
Furious Predator

rrProfessor

Kitchener, Ontario, Canada

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i haven't bought any for the 50 size yet, but the 90 size rear bearing is about $25Shawn
Team Leisure-Tech
Team HelixRC
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06-18-2009 05:51 PM  11 years ago
Sm1nts2escape

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MD

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We use them in our rc cars and they help the engine rev up faster but with the helicopter your rpm is pretty much fixed.I have tried boca ceramic bearings and I didn't notice any difference what so ever in performance and they developed play very fast.Then I put tko ceramics in my ninja and the motor reved up about 10% faster and was easier to tune after that.If you do decide to buy ceramics I would go with the tko's they were cheaper then the bocas for my motor and better quality.With ceramic bearings you should break them in for a half gallon.
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