Xem Studiomeasured geometry

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Ball-ended tube: Ø30 ball on a Ø12 tube, Ø8 bore through

What is the ball half of a tube ball joint? · Modern device · basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance

Also called: ball joint tube, spherical tube joint, tubo con rótula, Kugelrohrende

Exact dimensions. True size, with no printing tolerance added.

length
30.0 mm
width
30.0 mm
height
59.46 mm

Notes

  • Ø30 ball with a Ø12 tube 45 mm long coming out of it, Ø8 bore through both: it seats in the spherical cup of the socket and can swing in any direction while the bore stays connected.
  • Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

Ball-ended tube: Ø30 ball on a Ø12 tube, Ø8 bore through size chart

dimensionvalue
ballØ30
tubeØ12 × 45 from the ball centre
boreØ8

Where the files are

Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.

Henry T. Brown (1868, public domain)Five Hundred and Seven Mechanical Movements — scan on archive.orgwebPublisher's page; dimensions are facts
507movements.comBrown's movement No. 249: figure, his text and an animationwebPublisher's page; dimensions are facts
Xem StudiodrawingwebPublisher's page; dimensions are facts

Free files

★ Free files 1 parts. Xem Studio design: free to use, print and sell things from; not to be republished as files. Xem Studio Design License. index.json

ball-end-tube-d30-12x8ball centre at the origin, tube along +ZSTEP · STL
Let your AI pull this. Add https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.
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Plain text: sheet.txt · JSON: /api/geometry?object=ball-end-tube-d30-12x8

Ball-ended tube: Ø30 ball on a Ø12 tube, Ø8 bore through, isometric render of a generated part
Render of ball-end-tube-d30-12x8 from the free STEP; not to scale.

Fits with

Ball-and-socket joint for tubing, isometric render of a generated part
Ball-and-socket joint for tubing4 sizes★ 1 file

Questions

What is the ball half of a tube ball joint?

Ø30 ball with a Ø12 tube 45 mm long coming out of it, Ø8 bore through both: it seats in the spherical cup of the socket and can swing in any direction while the bore stays connected.