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Ball-joint socket: Ø40 body with an R15 hemispherical cup on a Ø12 tube, 3 × Ø2.5 (M3 tap) holes

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

Also called: ball socket, socket cup, cazoleta de rótula, Kugelpfanne

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

length
40.0 mm
width
40.0 mm
height
45.0 mm

Notes

  • Ø40 × 20 body with a hemispherical R15 cup (the ball's own radius, line on line) and a Ø12 × 25 tube below it, Ø8 bore through; three Ø2.5 holes on a Ø32 circle are tapped M3 for the cap screws.
  • Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

Ball-joint socket: Ø40 body with an R15 hemispherical cup on a Ø12… size chart

dimensionvalue
bodyØ40 × 20
cupR15 hemisphere
tubeØ12 × 25, Ø8 bore
cap holes3 × Ø2.5 (M3 tap) on Ø32

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-joint-socket-d40-cup-r15cup centre at the origin, body z −20..0STEP · 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-joint-socket-d40-cup-r15

Ball-joint socket: Ø40 body with an R15 hemispherical cup on a Ø12 tube, 3 × Ø2.5 (M3 tap) holes, isometric render of a generated part
Render of ball-joint-socket-d40-cup-r15 from the free STEP; not to scale.

Fits with

Questions

What is the socket of a tube ball joint?

Ø40 × 20 body with a hemispherical R15 cup (the ball's own radius, line on line) and a Ø12 × 25 tube below it, Ø8 bore through; three Ø2.5 holes on a Ø32 circle are tapped M3 for the cap screws.