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Old 07-19-2009, 09:33 PM   #1
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Default What Clutch Bearings Do You Use?

I have been running Losi HD clutch bearings in my 2.0 without issues for several gallons on the same bearings (with cleaning/ re-oil maintenance at the beginning of every race day) I saw that TKO released a special bearing for the Losi clutch system so I decided to rtry them. The TKO engine bearings are the best so their other bearings should be good too. Well I had the front bearing fail after 2 5 min quals and luckily the 30 min main got cut to 15 mins because it was 110 degrees. The track computer even had issues.

So I was just wondering what clutch bearings everyone is using, how long you keep them and do you clean and re-oil them or just replace? Personally I am going back to the Losi HD bearings.
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Old 07-19-2009, 11:11 PM   #2
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Please call me at the shop. 909-256-4064. We have had great life out of our special bearings. Let me see what I can do.

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Old 07-20-2009, 02:09 AM   #3
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the same bearings will last from a few minutes to many hours in different clutches... radial clutches a la fioroni/BBF give you the longest bearing life expectancy of them all (tried and trued by yours truly).

I now buy mixed shields (1 rubber for the outside, one metal for the inside) 5x10x4 ABEC 3's (read cheapo bearings, less than $1 a pop)... my last set on my BBF clutch still spins like new after 4L of fuel with an agressive setting.

It's all down to the clutch - not the bearings. Remember to leave a little play (0.2mm axially).

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Old 07-20-2009, 06:02 AM   #4
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I got the sbimming down to a science I use a kyosho shim kit because they come in .1, .2, & .3 mm. Makes shimmingthe clutch easy.
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Old 07-20-2009, 06:45 AM   #5
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hay Frank same hear had the back one freeze up front chunky
that was after river front forgot to menchen that to you on
Saturday but ya only got one race out of them may go back to the
Archer ones have like 4 sets of AE or protek I think on hand for now
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Old 07-20-2009, 06:45 AM   #6
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I used to run ceramics and tryed just about every one there is but for the clutch now have just gone back to a metal shield ABEC 5 steel bearing i buy in bulk and use them in such that if we do a 30-60 min main ill throw them out or if they feel ok i use them for practice or a club day, I buy them in bulk from Walla Walla and normally order 150 at the time and end up selling a few here and there..... From memory the last lot cost me around $0.90cAUD each The 808 bearings definatly last longer than the XB8EC which were the smaller size
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Old 07-20-2009, 06:50 AM   #7
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I'm running the TKO "new specials", and after a gallon they are not even starting to become gritty. I haven't tried anything this good yet!
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Old 07-20-2009, 07:03 AM   #8
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I personally run Iron Man bearings... I've also had very good luck with Avids.

I also had much better luck with a "standard" clutchbell than the Losi one when I ran a Losi, although I had to run the King Headz mount to make the clutchbell line up with the spur gear. I'm not sure WHY the Losi one didn't last as long, but that was my experience. (note that clearance to the center diff top plate is VERY tight if you do this...)
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Old 07-20-2009, 07:09 AM   #9
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answer r/c has a special clutch bell and bearings for losi
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Old 07-20-2009, 10:23 AM   #10
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what TKO "special"

i run the losi HD bearing in Mains lasting longer than 20 mins

i use Amain proteck bearing for clutch and run qualifers or practice.....
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Old 07-20-2009, 11:43 AM   #11
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http://tkocompetitiondev.com/index.php?cPath=38_105
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Old 07-20-2009, 11:54 AM   #12
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Quote:
Originally Posted by Peter Martin View Post
Did you even read the thread at all? Those are exactly the special bearings I had issues with.
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Old 07-20-2009, 11:57 AM   #13
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Quote:
Originally Posted by Frank L View Post
Did you even read the thread at all? Those are exactly the special bearings I had issues with.

The guy above in the thread asked which bearings they were.
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Old 07-20-2009, 12:01 PM   #14
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If the front bearing went I'm thinking it was a fluke and something got in the bearing.
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Old 07-20-2009, 12:16 PM   #15
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oh these! I have used these at the end of last season - they actually held up pretty well. i just stopped ordering- I HATE paypal - so I never order them again.
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