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How to replace DT750 DT700 DT850 bearings

Posted by Bernardo M. A. on May 6, 2013 at 10:30pm

I was getting lots of vibrations from my Hextronik DT750 even after balancing it and using balanced props. I replaced the bearings and now the motors are like new! 

The steps for DT700 and DT850 are similar

To remove the C-Clip, it would be easier if you use a snap-ring plier (unfortunatelly i don't have one hhehehe)

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Comments

  • Bernardo M. A. May 7, 2013 at 9:57am

    Sim, no sentido do eixo, que é o mais solicitado

  • eduardo May 7, 2013 at 7:56am

    mais os rolamento TRUST sao para forças em outro sentido certo ?

  • Bernardo M. A. May 7, 2013 at 5:51am

    Filip, those bearings are useless so you could even break them. You just have to pay attention when insert the new ones 

    Magnus, i've bought some of HK450v2 bearings. They aren't quality bearings but better than the default bearings. Just search for "HK450V2 Bearing (8x4x3mm)" in google (i don't know if i can put the link directly to hobbyking). You can find quality bearings in boca bearings

    eduardo, o ideal seria usar rolamentos radiais e axiais ;). It would be better to use thrust bearings besides the radial bearings

  • eduardo May 7, 2013 at 4:55am

    Nao adianta trocar os rolamentos desse motor. Logo logo eles vao estragar denovo.

    Para ficar bom voce tem que colocar 2 rolamentos na parte de cima. Para isso tem que passar a parte central no torno para aumentar o profundidade do buraco.

    Essa tecnica é muito usada em outros motores.

  • Magnus von Rosen May 7, 2013 at 12:18am

    Where do I get new quality bearings?

  • Filip Johansson May 6, 2013 at 11:23pm

    Nice guide but I would have used either a plastic tap or a softer metal like brass or copper when pushing out the bearings.

This reply was deleted.