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1931 - a craftsman smoothes the running surface of the world’s largest thrust bearing

MACHINING TO REDUCE FRICTION OF LONG GRIND

CD 2055092 E&MP10.012

Dynamos

August 29, 1931

A craftsman smoothes the running surface of the world’s largest thrust bearing to support the weight of Pickwick Landing dam waterwheel generator being built at the East Pittsburgh works of the Westinghouse Electric and Manufacturing Company.

The bearing has a 105-inch diameter and will carry a load of about 2,500,000 pounds 


Original Caption by Science Service
©Westinghouse



National Museum of American History

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