Parametric Thrust Bearing
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Fully Parametric Thrust Bearing with included .f3d
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Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
This is a fully parametric 3d-printable thrust bearing cage, using cheap ball bearings to provide reliable motion. I needed a thrust bearing in a weird ID/OD combination for a low-load situation, and couldn't find anything reasonably priced off-the-shelf. Total parts cost for the attached size is <$4 including filament.
The model parameters can be adjusted to change:
- Inner diameter
- Outer diameter
- Total thickness
- Tolerances
- Ball bearing size
The attached STL is a 40mm ID/110mm OD, using 36 ¼ inch ball bearings. The balls are a press-fit into the bottom part of the cage, and are fully retained once pressed in, while still being able to rotate freely.
I used PLA to print these, due to its stiffness over PETG. 0.2mm layer height is plenty of detail for the radii in the bearing cages.