Hydropower is among the most mature and reliable renewable energy technologies, but its dependability rests on thousands of tonnes of rotating equipment humming quietly for decades. Generators are at ...

The wheels of industry turn on bearings, so why do the wheels often vibrate, clatter, squeak, drag, and overheat? Bearings can fail for a lot of reasons. Most failures (as shown in Figure 1) are ...

Loss of Lubricant - if the bearing is not re-greased at the appropriate interval, with the proper amount of grease, or if the oil is removed from the base of the grease by overheating, loss of ...

What do clocks, skateboards, and industrial machinery have in common? They all rely on bearings to maintain their smooth rotational movements. However, to achieve reliability, they must be maintained ...

Power generation plants throughout the world rely on critical process fans for operation. But what happens when a fan rotor, with a wheel rotating at a peripheral speed of 450 miles per hour (mph), ...

Rolling-element bearings are often put to the test in industries known for harsh and extreme operating conditions, such as steel fabrication and food processing. However, machine builders are raising ...

As composite materials are used more extensively in structural applications, some test methods that once were considered very specialized and, therefore, not widely used, have become more significant.

Boeing in 2011 told airlines to watch for potential failures of a pylon bearing assembly now central to the National Transportation Safety Board’s (NTSB) investigation into the 4 November crash of a ...