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Please bear with me - I'm not an engineer, I'm a software developer so lack the language / knowledge to describe what I want precisely.

I'm controlling a servo to rotate /pan a platform to hold a camera (think pan/tilt). This is fine.

However, I'd like to house the servo/electronics in a waterproof box, and have a platform on top of the box that Pans.

How can I transfer the rotation through a waterproof enclosure? Is there such a thing as a waterproof bearing, that the servo can rotate one side within the enclosure, and have the rotation exposed on the outside, so I can attach the Panning platform to it?

Does such a thing exist? If so, what is it called?

If not, surely this is a problems that has already been solved Can anyone direct me to a solution for this?

Thank you!

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  • $\begingroup$ Look for the cameras in the streets or on motorways... $\endgroup$
    – Solar Mike
    Dec 16 '18 at 9:51
  • $\begingroup$ I understand how the mechanism works, I need a name for it so I can research it. Something something bulkhead transfer something maybe? $\endgroup$
    – Jack
    Dec 16 '18 at 10:01
  • $\begingroup$ Surely just an O ring around the rotating shaft would solve this? It’s not really a device that solves the problem - there would simply be a groove in the housing that the O ring sits in before the shaft is posted through? $\endgroup$
    – Jonathan R Swift
    Dec 16 '18 at 16:04
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I needed a "shaft gland" / "gland seal" used in boats (and for my application, radio controlled boats" to solve the problem.

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