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3D models of deep groove ball bearings to print

This collection gathers 3D models built around the deep groove ball bearing: standard metric sizes, parametric versions you edit yourself, and parts that hold a bearing inside them. It is useful when you need a bearing-shaped part for a mechanism, a mock-up or a spool holder rather than a steel component. Most files are meant for a 3D printer working in common filaments, so dimensions and clearances matter more than looks. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

Esta colección está escrita en inglés, pero la búsqueda funciona en cualquier idioma.

Cómo se elabora esta colección

Polyzon reúne esta colección a partir de los resultados de búsqueda de las plataformas conectadas. Se eliminan los duplicados y los modelos sin vista previa, las coincidencias débiles van al final y el resto mantiene el orden de la búsqueda. Los modelos pertenecen a sus autores: consulta las condiciones en la página de cada modelo.

Criterios de selección: el equipo editorial de Polyzon · Texto actualizado el 14/10/2026


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«3D models of deep groove ball bearings to print»

The models fall into a few groups. One group reproduces standard radial bearings in fixed metric sizes, with an inner ring, an outer ring and a cage or ball set. Another group is parametric: the file is generated from a script or a CAD table, so bore, outer diameter and width are entered by hand. A third group is functional hardware — spool holders, filament guides and similar brackets that use a bearing as a rotating element. Axial and thrust variants also appear, where the load runs along the axis instead of across it.

Before printing, read the author's page for the numbers that decide whether the part fits your project: bore, outer diameter and width, the number of separate pieces, and whether the rings print as one part or as parts you assemble. Check the stated clearance between the races, the material and settings the author lists, and whether supports are needed for the chosen orientation. Photos of real prints show how the grooves and the ball seats come out on a filament printer, which is often where the difference lies.

To widen the search, try the terms people use for the same object: radial bearing, ball race, thrust bearing, bearing housing, or the series numbers that appear in titles. Related topics are worth a look too — spool holders, filament guides, idler pulleys, turntables and other parts that rotate around an axis. If you need a specific size, search by the dimension string rather than by name, and compare several files before picking one to slice.

FAQ

Preguntas frecuentes

What does "deep groove" mean in these bearing models?
It describes the shape of the raceway: the groove is deeper than the ball radius, so the ball is held in place and can take load from more than one direction. In a printed model this shows up as a curved channel in both rings.
Can a 3D-printed bearing work like a steel one?
It behaves differently: plastic races and printed balls have more friction and less stiffness than steel. Printed versions are usually chosen for light loads, slow rotation or visual and fit-check purposes, and the author's notes describe the intended use.
Which dimensions should I check before printing?
Bore, outer diameter and width are the basics, followed by the clearance between the rings and the size of the ball seats. If the model is parametric, confirm the units used in the script or table before exporting.
Do printed bearings need supports?
It depends on the orientation the author recommends. Many designs print flat with the rings as separate parts, which avoids supports inside the groove; others are split and glued or snapped together after printing.

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