Quote:
Originally Posted by InFlight
When designing these you will need to have the bearing flanges on the miter/bevel side to take the axial load into the structure. I would also recommend a thrust bearing, an Oilite bronze bearing is ideal for this application. The Bearing Flange is 1/16" thick, and the Oilite Bearings are normally 1/16" thick in this size range. So make sure to account for another 0.125" behind each gear.
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The Vex miter gears have a smaller hub behind the main hub that protrudes out 1/16". You can put a thrust bearing/washer on that to save space, and/or forgo putting the thrust loads on the ball bearing.