BEAR engineers have extensive experience in the failure analysis and design of bearing systems from very large bearings holding up the stadium roofs and bridge sections, to nuclear submarine drive system bearings to crane base bearings to the small needle bearings in cassette players.
An example project BEAR engineers worked on is the the Milwaukee baseball stadium retractable roof. The roof opens via 5 pie shaped sections that pivot about large spherical bearings behind home plate, each bearing supporting over 1 million pounds. The inside of the stadium with the roof in the closed position is shown to the right.
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