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HomeAircraftHelicopterMain Discussion › bearing blocks bearing questions
04-06-2010 04:58 AM  8 years agoPost 1
Git

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Brunei

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i see kde, lynx, kasama, microheli are all making aftermarket bearing blocks for the align trex for quite a while now. do they really improve/ maintain performance these thrusted bearing ones?

i have been flying my 600nsp for almost 2yrs now and have changed main mast bearings thrice.. i used expensive bocas on the 1st change but it did not seem to be any better than normal bearings.. still became notchy.

my questions are:

has any1 genuinely experienced better performance/longer using thrusted bearing blocks?

which of the aftermarkets ones is the 'best'?

or, vertical axis load is neglible so just keep on using normal bearings and replace them coz nothing last forever?

Alees Rush 750

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04-06-2010 05:16 AM  8 years agoPost 2
Anthony.L

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Seattle, WA

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Bearings are designed for radial force, not lateral. The notchy comes from the stress of lateral force on the bearings.

So, yes the aftermarket bearing blocks with thrust bearings do in fact make the bearings last longer.

I run the KDE blocks and very happy with their performance. The block has a thin wall inside that separates the main bearing from the thrust bearing so there is zero lateral load transfered to the main bearing.

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04-06-2010 07:35 PM  8 years agoPost 3
sonny1526

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USA

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bearing blocks
True what Anthony says about the bearing blocks but if you don't do a lot of 3d pitch pumping I would just wait on the upgrade. But if you're set on improving the performance of your machine, go with high quality stainless steel ball bearings. I had to install Microheli triple bearing blocks because the plastic one just didn't cut it. And I also replaced main shaft bearing blocks to KDE because it's made to handle some lateral force due to the thrust bearings that come with the kit.

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04-07-2010 03:58 AM  8 years agoPost 4
Anthony.L

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Seattle, WA

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P.S. I've installed everything from $1.49 each bearings to $10.49 each bearings and they will all become notchy. The fact they get notchy has nothing to do with the quality of the bearing, no radial bearing is designed for lateral force and will become notchy eventually.

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