OS 55 AX Bearings

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0.056 LBS
  • OS 55 AX Bearings
  • OS 55 AX Bearings
  • OS 55 AX Bearings


OS 55 AX Bearings

RCBearings standard engine bearings are high quality alternatives to expensive OEM part number bearings.  Made to exacting tolerances, you can expect a long, trouble-free life at a fraction of the cost.  Our standard bearings are made from AISI 52100 bearing steel and front bearings come with non contact shields or seals depending on your particular engine.

NOTE:  These bearings are not appropriate for heli engines. All heli engines above .35ci should use a rear bearing with a high speed plastic retainer!  We source our retainers from Japanese manufacturers that make the best.  There used to be almost daily postings on heli forums of pictures of destroyed engines due to retainer failures.  That is until OS and Thunder Tiger went to plastic retainers!  Beware of other sellers that try to pass off cheap standard bearings for your expensive heli engine!

If your engine isn't listed, call our Technical Support line and we will see if we can make up a set for you.  We have over 400 different bearing types in stock and thousands more available.

We only sell premium industrial grade bearings with most being ABEC-3 or better.  We never sell cheaper hobby-grade bearings! Our bearings are used in such products as museum art reproduction printers, underwater propulsion systems, hotrod manufacturers, military wind tunnel testing, semiconductor manufacturing, commercial printers and world-class competition model aircraft. We have partnered with several manufacturers for over twenty years to produce bearings to meet or exceed our customers exacting requirements.


Did not workout?  No Problem!  We offer a 30 Day Money Back Guarantee.


Fast, Fast, Fast! We will try ship it the same day it is ordered!

Trusted Seller & Support

RcBearings LLC. Call us if you need assistance!

Technical support only (what bearing do I need, will this bearing work for me, etc): (720) 480-5879

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1 Review

  • 5
    Got 2 sets of bearings for my rc engines and they run fantastic!!

    Posted by Michael Anderson on 9th Feb 2014

    I recommend getting your rc bearings from rcbearings. I actually called Paul because I thought I ordered the wrong set but he reassured me I did not and that my order was being shipped the same day as the order. Received my bearings within 3 days and they installed and ran perfect. It's like having a new engine again!! There are different options for bearings, I picked the stainless steel bearings with no problems. Will get my bearings from rc bearings from now on. Thanks Paul.

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