Motor vibration monitoring is a key component of any good maintenance program. If the vibration exceeds a preset level, you can usually address the problem in a scheduled manner rather than an emergency one. The same is true of motor temperature monitoring. You get an alert that the windings are at an abnormally high temperature, and you can probably intervene to prevent an expensive failure.
These are great tools, and you should use them. But they report, rather than predict, problem