Quote:
Originally Posted by LLogan
Adding onto this, the coupler accepts a 5/8 keyed shaft very nicely. You can also drill custom holes onto the coupler to attach a sprocket. Our team also drills and taps two channels for set screws onto the part where the coupler mates with the motor output.
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To heap on some more detail, the 'output' shaft on the window motor doesn't rotate. That makes it pretty handy, as you can drill and tap it (carefully!) for a screw to retain the plastic coupler and whatever you attached to it to the motor. I think #10 thread works out pretty well.
Incidentally, that shaft is 8mm OD, which is close but not quite 5/16ths. Since it's advisable to avoid side loads on that shaft it's often the case that someone measures it with the intent of putting a bearing on it and finds out their brand new 5/16th ID bearing doesn't quite fit. Truly frustrating.