Bearings falling out of rhino plates

[Jon Stratis]

Typically flanges bearings will ONLY guarantee the bearing won't move in one direction. Even if you have a tight press fit on the bearing, it will loosen up over time. So, it's important to make sure you constrain your bearings in the other direction as well! This can often be done with spacers - we keep some 1/2" ID PVC pipe on hand to cut to the proper length when needed. It can also be done with shaft collars, or if you have a lathe you can cut a groove and use an E clip. In fact, we're using all 3 of these methods on our robot this year!