A fluid bearing is a type of bearing that utilizes a fluid, typically oil or gas, to separate two moving surfaces and reduce friction. This fluid film creates a hydrodynamic pressure that supports the load and prevents direct metal-to-metal contact.
Type | Description |
---|---|
Journal bearing | A bearing in which a rotating shaft is supported by a fluid film formed between the shaft and a cylindrical bearing surface. |
Thrust bearing | A bearing used to support loads acting perpendicular to the shaft axis, preventing axial movement. |
Radial bearing | A bearing used to support loads acting perpendicular to the shaft axis, preventing radial movement. |
Selecting the appropriate fluid is crucial for the optimal performance of fluid bearings. Factors to consider include:
Ensuring adequate lubrication is essential for fluid bearings. A constant supply of fluid must be maintained to create a stable hydrodynamic film. This can be achieved through various methods such as:
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