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3D Printing World

Single Row Linear Ball Bearing

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Single Row Linear Ball Bearing 3d model
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Single Row Linear Ball Bearing 3d model
Single Row Linear Ball Bearing 3d model
Single Row Linear Ball Bearing 3d model
This model is restricted by licensing terms. 
53 Likes115 DownloadsJune 11, 2023
This model is restricted by licensing terms. 


Linear Ball Bearing Single Row Version

This 3D printed square rail linear ball bearing utilizes two rows of .177 cal BB's (aff) that recirculate.

It has screws on the carriage for adjusting the bearing preload. The rail is 220mm long in total and there are four m3 mounting holes on the rail every 60mm. I have not tried it but I would assume that the rails could be mounted one after another for longer travels. The carriage has four M3 nut traps and four holes for M3 heat-set thread inserts. I also designed stops that fit into a mounting holes on the rail to retain the bearing on the rail to keep the balls from falling out.

Required.177 cal BB's (40x) • M3 SHCS X 10mm lg. (4x) • M3 SHCS x 16mm lg.(2x) • M3 Nut (6x)

Assembly First install the preload screws and nuts before assembly but do not tighten the screws yet. Next slide the carriage on the rail and place it upside down and install 20 BB's and the cap. Then repeat on the other side. Then adjust the preload screw as necessary. See the assembly video

I made a 3D printer called the Mulbot uses a similar 3D printed bearing.


Support and Licensing If you would like to help support more free models please consider joining my Thangs Membership To get permission to sell physical copies of my models, consider joining my Patreon


53 Likes115 DownloadsJune 11, 2023




This model is restricted by licensing terms. 
53 Likes115 DownloadsJune 11, 2023
This model is restricted by licensing terms.