How is lubrication supplied to Kingsbury bearings?

Kingsbury bearings, which are a type of hydrodynamic bearing commonly used in high-speed machinery, rely on a specific method for supplying lubrication to ensure smooth operation and reduce wear. The correct method is through a central point to the bearing, which allows for a consistent and controlled flow of lubricant directly to the surfaces that require it.

This design helps maintain a thin film of lubrication between the bearing surfaces, preventing direct contact and minimizing friction during operation. The central supply method also enables better distribution of the lubricant across the bearing surfaces, enhancing overall performance and extending service life.

In contrast, sources of lubrication from the outer edge or directly applying it to the stationary ring may not provide sufficient coverage or consistency. Likewise, using sealed reservoirs might restrict the flow and could lead to inadequate lubrication under dynamic conditions. Thus, lubricating from a central point is crucial for proper functioning of Kingsbury bearings.