80 MW Turbine-Generator Journal-Thrust Bearing Upgrade
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This case history discusses the upgrade of the #1 combination journal/thrust bearing assembly in an 80 MW turbine generator. The existing taper land thrust plates experienced frequent failures and the sleeve journal bearing was wearing prematurely. A combination journal/thrust assembly was designed and installed in the turbine. This assembly incorporated a fully equalized ball & socket tilting pad thrust bearing with directed lubrication on the active side, the continued use of a taper land plate on the inactive side, and a ball & socket tilting pad journal bearing.
Postill, Julia; Batiste, Emile; Husbands, Selcrest (2006). 80 MW Turbine-Generator Journal-Thrust Bearing Upgrade. Texas A&M University. Turbomachinery Laboratories. Available electronically from