The best vibration analysis training course, from novice to competent in 2 hours, very good value for approx $100 US

http://www.newstandardinstitute.com/outlineElearning.cfm?id=CT2110

check out there other training courses too

belts, maintenance, oil analysis.

Interesting article about SKF condition monitoring at London Underground, see page 13 on the pdf link below

http://www.skf.com/files/886663.pdf