Simplified Caged Ball Bearing

by blecheimer, published

Simplified Caged Ball Bearing by blecheimer Mar 8, 2013

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Oh no, not again another ball bearing...

Sorry, but I just have to show my final design. jonathanw's comment on my last ball bearing ( http://www.thingiverse.com/thing:57762 ) gave me new ideas. I reduced the bearing to three parts. The inner ring is now made of one piece and need not to be snapped together.

Unfortunately the assembly is a little bit more complicated. I made a simple assembly tool that makes things easier. Take a look at this video for the assembly sequence:



Thanks jonathanw for leading me to a new idea!


  • Print all parts (layer height schould be 0.1mm)

  • Assemble like seen in the video

  • Rock 'n Roll

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can you post your source file so i can resize the bearing od and id?


I uploaded a STP-file. I hope this will help you.

I wanted to say thanks, for the best ball bearing I found on thingiverse!

Thanks for your comment. :)

I needed to scale the inner part at 104% to have a good fit (no wobbling around, works like it should)
Thanks for this design!

Hi, may I know the diameter of the balls? or do you have the STL file of the balls? Thanks!

The softair balls have an exact diamenter of 5.85mm. I uploaded a stl-file for the balls, but I never printed them.

thank you very much!

Glad I could help :)

Glad I could help :)