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Downloaded from SAE International by Big Ten Academic Alliance, Wednesday, August 01, 2018
Published 09/17/2017
Copyright © 2017 SAE International
doi: 10.4271/2017-01-2525
Performance Prediction of Automotive Wheel Bearing Seals
Seungpyo Lee and Mincheol Park
Iljin Global
ABSTRACT
The primary functions of bearing seals are to prevent lubrication from escaping and foreign material from entering, the effectiveness of
which is determined by the design of the seal lips. Bearings with low friction rotation are in great demand in the automotive market as
a direct result of enforced vehicle fuel economy and reduced CO2 emissions regulations. Therefore, bearings with good sealing
function and low friction rotation are required. This makes designing a seal challenging as the ideologies of high seal-ability and low
friction rotation tend to be contradictory. Current estimations of bearing seal friction or rotational torque require significant time and
cost through empirical methods of trial and error. Research into the estimation of bearing rotational torque through numerical analysis,
based on finite element methods, is the focal point of this paper. This development includes the calculation of bearing rotational torque
using an axisymme
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