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The liner on a sliding bearing acts like a safety fuse in the kinematic chain. It is designed to operate in a lubricated environment in which relative movement between parts creates a film of oil that prevents the shaft coming into contact with the liner. This is known as the hydrodynamic regime. As the system is contact-free, and so, in theory, immune to wear, rotary guide bearings are high-performance parts for :
- Cyclical motion (e.g. rod-crank systems) :
Thanks to the vibration-control capacity afforded by the damping action of the oil film.
Because of their elasticity, capable of withstanding shifts in the direction of load .
- Rotary motion :
Because of their capacity to accurately maintain position, due to the resistance of the oil film.
Because of their ductility that enables them to adapt to alignment errors .
- High-load-bearing mechanisms :
By spreading the load over a wide running surface
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Movements in industrial applications :
Through their ability to tolerate and absorb impurities entrained in the lubricant.
Thanks to their installation possibilities and long service life . |
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