Vibration Characteristics: Frequency

What Does Frequency Tell Us ? How Does Frequency Relate To Amplitude ? How Do Displacement, Velocity & Frequency Relate ? Practical Effect On A Bearing Of Velocity Vs. Displacement How Amplitude Units Relate to Different Failure Modes Stress Failures vs. Fatigue Failures What Failure Mode Are Acceleration Units Sensitive To  Where Are Acceleration Amplitudes Useful Recommended Frequency Ranges For Different Amplitude Units When To Use Which Amplitude Unit(s) Formulas Relating Amplitude & Frequency Examples Of When To Use Which Unit(s) General Equipment Amplitude Guidelines Amplitude Guidelines For "Other" Equipment