Miniatures & wargaming

LM8LUU Linear Bearing STL Models for 3D Printing

This collection gathers STL files for linear bearings and bushings around the LM8LUU size, along with mounts, adapters, carriages and maintenance tools. It helps you find parts for 3D printer motion systems and custom mechanisms, then compare how each design is meant to be printed and assembled. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

A Polyzon collection · 42 models from 4 platforms

How this collection is put together

Polyzon assembles this collection from search results on the connected platforms. Repeats and models without a preview are removed, weak matches go to the end, and the rest keeps the search order. Models belong to their authors — check the terms on each model's page.

Selection rules: the Polyzon editorial team · Text updated 2026-10-14

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About the category

«LM8LUU Linear Bearing STL Models for 3D Printing»

The models range from plain linear bushings and hybrid bearings to bearing blocks, rod mounts and axis carriages. Some are designed as direct replacements for common bearing sizes, while others act as adapters between different diameters or as sliders for specific mechanisms. You will also see grease injectors and other tools for servicing bearings.

When choosing a model, check the listed dimensions, the number of parts and whether the design expects press fits, screws or inserts. Look at the author's notes for material, layer height, wall count and whether supports are needed. Photos of actual prints can show how the bearing fits and whether the moving surfaces need smoothing or lubrication.

To narrow the search, try related terms such as linear bushing, linear motion bearing, bearing block, carriage mount and bearing adapter. You can also search by the bearing size you already use, or by the printer frame or mechanism the part is meant for. Combining a size term with a function term usually returns fewer, more focused results.

FAQ

Frequently asked questions

What is an LM8LUU bearing used for?
It is a linear motion bearing with an extended length compared with the shorter LM8UU type. In 3D printing it is often used in axis carriages, rod mounts and custom sliders where a longer bearing surface is needed.
What should I check before printing a bearing mount?
Check the bore diameter, mounting hole spacing, screw sizes and the author's recommended material and settings. Also see whether the model expects inserts, nuts or a press fit.
Can I use a different bearing size in a design made for LM8LUU?
Only if the model includes an adapter or the dimensions are changed. Otherwise the fit and alignment may be wrong, so compare the bearing outer diameter and length first.
How do I search for related parts?
Use terms like linear bushing, bearing block, carriage, rod mount and bearing adapter. Adding the bearing size or printer mechanism helps narrow the results.
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