: ?
The Timken Company, Timken, JTEKT Corp.  
SKF
SKF AB .  
NTN
Seohan-NTN Bearing Co.  
Schaeffler Group
, Schaeffler Group, Porsche Cayenne S 10%.  

SKF .  

NSK Ltd.  
KOYO
Koyo Corp.  
Timken
The Timken Company 2009 .