Convert Frequency from 60htz to 50htz

We have machineries with motors which are design for 60htz, these machines are in process to move to another country with 50htz. How easy is it to change motor components to fit for 50htz from 60htz.

A frequency converter is the basic thing that you would need. However, there are a ot of factors that you'd have to consider in order to identify which frequency conversion solution is right for you. If these machineries will be used for large scale applications, I would suggest you to consult some technically versed applications group that will help you in the assessment of your application and help in the selection of the best solution for your specific requirement.