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If you guys aren’t on github yet, a pack-and-go zip file can be found here: https://drive.google.com/file/d/10Ao7uPcyRexNKk0FjUKKmdlSccdW6mjR/view?usp=drive_link
FSU pack-and-go zip file: https://drive.google.com/file/d/1TL4PUaPFDZDX2CsvD91Hg5oNJac4Yr6Q/view?usp=sharing
Please do NOT modify any of the MSXV CAD, and if you do, pls revert your changes and do NOT git push to the server 🙏 . We will share details later about how to add your work to github, but for now, if you wish to CAD, s save it somewhere else on your own computer (not in the github repository)
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SKF is a good supplier of bearings: https://www.skf.com/us/products/rolling-bearings/principles-of-rolling-bearing-selection/bearing-selection-process
Bearing selection relies heavily on the expected force on the bearing itself, unfortunately for now we can’t give an exact value for this BUT when roughing out a design a good estimate would be to use bearings similar to what was chosen on the FSU (front suspension). One bearing had an OD of 62mm and ID of 30mm and the other had an OD of 55mm and ID of 30mm. Since we are expecting higher forces in the rear it would be wise to use these dimensions as the minimum for the rear hub design (e.g a OD 55mm bearing as the lowest to implement into your design).
FSU
If you have access, look at the FSU