Volex Forge › Parts › Journal Bearing Assembly Generator

Generate a journal bearing assembly

A plain (sleeve) bearing: a shaft rotating inside a cylindrical sleeve, with a small clearance for a lubricant film. No rolling elements — quiet, compact, and tolerant of shock loads.

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“A journal bearing: 20mm shaft in a bronze sleeve, 5mm wall, 60mm long”
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Buy one ready-made

Already built, measured against its own description and priced. No need to describe it first.

journal bearing 20mm shaft

What it is used for

Dimensions that matter

Shaft diameterThe journal.
Wall thicknessSleeve wall — sets the outer diameter.
LengthLonger sleeves spread load over more area.
The sleeve bore is built larger than the shaft so the two bodies do not interfere — the engine verifies this rather than assuming it, and reports the fit clearance it used.

What you get

A real solid model you can rotate and measure, plus downloadable STEP (machining and CAD), STL and 3MF (3D printing) and DXF (laser and waterjet) files. Optional built-in analysis covers stress (FEA), thermal, buckling, cost and manufacturability.

Before you see it, the built geometry is measured against the dimensions you stated, checked as a valid watertight solid, and — for assemblies — checked for interference. These are geometry and physics checks; they do not confirm the shape matches what you pictured, so review the 3D view or 2D drawing before relying on the part.

Previewing is free. Downloading is £2.99 per part, or unlimited on Pro (£29/month, £290/year).

Related parts

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Common questions

What file formats do I get?
STEP, STL, 3MF and DXF — the formats CNC shops, laser cutters and 3D printers accept.

Can I change the dimensions afterwards?
Yes. Edit the numbers directly, or describe the change in plain English. Every edit is rebuilt and re-checked.

Do I need CAD experience?
No. Describe the part and its sizes in millimetres.

Is it free to try?
Yes — describing a part and viewing the 3D preview costs nothing.