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Follower bar 8 × 5 with Ø3 roller pin hole (75 mm)

What is the follower bar of a face cam? · Modern device · basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance

Also called: follower bar, face cam follower, barra seguidora, Stößelstange

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

length
10.0 mm
width
80.0 mm
height
5.0 mm

Notes

  • 8 × 5 mm bar, 75 mm long, with a Ø10 round end and a Ø3 hole for the roller pin: rides over the face cam, the roller below it running in the groove; the bar slides in a guide above the cam.
  • Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

Follower bar 8 × 5 with Ø3 roller pin hole size chart

dimensionvalue
bar8 × 5 × 75 mm
pin holeØ3

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. 97: figure, his text and an animationwebPublisher's page; dimensions are facts
Xem StudiodrawingwebPublisher's page; dimensions are facts

Free files

★ Free files 1 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json

cam-follower-bar-roller-pinbar, pin at origin, along +YSTEP · 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.
Set it up →

Plain text: sheet.txt · JSON: /api/geometry?object=cam-follower-bar-roller-pin

Follower bar 8 × 5 with Ø3 roller pin hole (75 mm), isometric render of a generated part
Render of cam-follower-bar-roller-pin from the free STEP; not to scale.

Fits with

Questions

What is the follower bar of a face cam?

8 × 5 mm bar, 75 mm long, with a Ø10 round end and a Ø3 hole for the roller pin: rides over the face cam, the roller below it running in the groove; the bar slides in a guide above the cam.