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Pillow block for Thomson Super 8 linear ball bushing

A 3D printed, screw adjusted bearing block for Thomson Super 8 ball bushings (for 1/2" round rod). These bearings can be purchased on ebay for as little as $5 each. Just the thing for making big 3D printers or CNC mills!

3D printer parts and enhancements

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Description

A pillow block specifically for use with Thomson Super8 ball bushings (fits 1/2" round guide rails). The bearings have floating races to compensate for misalignment. A single 6-32 screw allows the "fitment" of the bearing to be adjusted. This part mounts using 4x 6-32 screws spaced in a 25mm square pattern. The flat surface is 19mm (about 3/4") from the axis of the guide rail. The mounting holes are 13mm deep. Sorry for the mixed units. I live in a backward country...

Print with 0.2mm layers and 30% infill. No support material is necessary. Cura sliced it well, Slic3r had problems.

Materials and methods

- your favorite color ABS
- 4x 6-32 screws to mount the block
- 1x 6-32 x 3/4 screw and washer to adjust "fitment"
- 1x Thomson Super8 ball bushing

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Comments

Mini gold hands croppedMark Rehorst published this design ago