Performance of Computer-Optimized Tapered-Roller Bearings to 2.4 Million DN

[+] Author and Article Information
R. J. Parker

Lewis Research Center, Cleveland, Ohio

S. I. Pinel, H. R. Signer

Industrial Tectonics, Inc., Compton, Calif.

J. of Lubrication Tech 103(1), 13-20 (Jan 01, 1981) (8 pages) doi:10.1115/1.3251602 History: Received February 21, 1980; Online November 17, 2009


The performance of 120.65-mm (4.75-in.) bore high-speed design tapered roller bearings was investigated at shaft speeds of 20,000 rpm (2.4 million DN) under combined thrust and radial load. The test bearings design was computer optimized for high-speed operation. Temperature distribution and bearing heat generation were determined as a function of shaft speed, radial and thrust loads, lubricant flow rates, and lubricant inlet temperature. The high-speed design tapered roller bearing operated successfully at shaft speeds up to 20,000 rpm under heavy thrust and radial loads. Bearing temperatures and heat generation with the high-speed design bearing were significantly less than those of a modified standard bearing tested previously. Cup cooling was effective in decreasing the high cup temperatures to levels equal to the cone temperature.

Copyright © 1981 by ASME
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