No.1008E 2011 Performance of Rear Differential Depending on Vehicle Driving Mode |
| Category | TECHNICAL REPORT |
|---|---|
| Author | K. KAWAGUCHI Experiment & Analysis Engineering Dept., Bearing & Driveline Operations Headquarters A. UEMURA Central JAPAN Technical Center., Bearing & Driveline Operations Headquarters H. MATSUYAMA Material Engineering R&D Dept., Research & Development Center T. AIDA JTEKT Research and Development Center (WUXI) Co.,Ltd |
| Abstract | JTEKT has developed a tapered roller bearing with super-low-friction torque having 80% less friction torque than standard tapered roller bearings. To confi rm the driving performance of rear differentials equipped with the developed bearing, the developed bearings were tested under all assumed driving modes using a newly designed drive unit simulator. The results show that they have lower friction torque at simulated actual driving modes compared with current bearings. Accordingly, we can accurately develop and provide super-low-friction tapered roller bearings from the perspective of actual application units and also can contribute to improvement of fuel effi ciency. |
| Keyword | tapered roller bearing, low friction torque, drive unit simulator, effi ciency, driving mode |
| Reference | H. MATSUYAMA, H. DODORO, K. OGINO, H. OHSHIMA, H. CHIBA, K. TODA : Development of Super-low Friction Torque Technology for Tapered Roller Bearing, Koyo Engineering Journal, No.167E (2005) 22.
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