No.1014E 2017Special Edition on Automotive Bearing Technologies Technical Trends Regarding Rolling Bearings Used with Balancer Shaft Systems in European Engine Applications |
| Category | TECHNICAL REPORT |
|---|---|
| Author | S. MESCHER KOYO BEARINGS DEUTSCHLAND GMBH |
| Abstract | In present automotive and heavy-duty engine applications, plain bearings are primarily used and, vice versa, rolling bearings, such as ball or needle bearings, are of minor relevance. However, the share of plain bearings will be decreased in automotive applications because they are gradually replaced by rolling bearings. This is, on the one hand, owed to more stringent CO2-emission standards set by European governments and, on the other hand, to the customers’ desire for a reduced fuel consumption of the car. An increased benefi t value implies a reduced energy demand with simultaneously minimized friction losses which, consequently, lead to reduced engine emissions. Since the changes as for bearing technology requirements lead to an increased demand for rolling bearings in automotive engines, JTEKT has committed itself to developing special bearings for automotive engines. The development process of rolling bearings for balancer shaft systems is introduced in this journal. |
| Keyword | automotive, engine, balancer shaft, roller bearings, low friction, CO2-emission reduction |
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