No.1010E 2013Energy Saving Related Technologies Special Edition Grease Lubrication Technology of Rolling Bearings |
| Category | TECHNICAL REPORT |
|---|---|
| Author | K. YOSHIZAKI Material Engineering R&D Dept., Research & Developmemt Headquarters |
| Abstract | Friction loss of rolling bearings that support rotational motion in machinery is generally smaller than that of sliding bearings. Moreover, rolling bearings lubricated with grease can contribute much more to reduction of friction loss in machines, machine size, and machine weight than those lubricated with oil due to smaller agitation resistance of lubricant and simpler sealing equipment. Development and improvement of rolling bearings and greases have been carried out to support higher performance of machinery. This paper introduces trends in greases for rolling bearings used in main industrial fi elds and recent examples of research and development results. |
| Keyword | grease, rolling bearing, boundary lubrication, elastohydrodynamic lubrication |
| Reference | T. OHYAMA : Tribology for Raising the Speed of Shinkansen Trains, Koyo Engineering Journal, No.154 (1998) 29.(in Japanese) |
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