Universal Joint Manufacturer/Supplier

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A user is seeking a manufacturer or supplier for universal joints with specific counterbores for flat plate mounting, as shown in a linked design. They emphasize that size and power handling capacity are not critical, as the joints will be used primarily as bearings in a Stewart platform application. The user specifies a desired diameter of around 1/4 inch or 6mm. There is a suggestion that creating an adapter might be a feasible solution if suitable joints are not readily available. The discussion highlights the need for specialized components in motion platform projects.
thshen34
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Does anyone know a manufacturer or supplier of joints like the one shown here:

https://grabcad.com/library/universal-joint-graphite-bushes

The main feature I'm looking for is the counterbores at the ends that allow mounting to a flat plate. Almost all the ones I've found are made for connecting shafts.

Thanks
 
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thshen34 said:
The main feature I'm looking for is the counterbores at the ends that allow mounting to a flat plate.

So the size and power handling capacity doesn't matter? I would suggest that's usually more important and that getting an adaptor made would be the easy part.
 
Right, the size can be anywhere around 1/4in or 6mm in diameter. I'm mainly using these as bearings and not to transmit torque, as part of a Stewart platform/hexapod motion platform.
 
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