A rolling-element bearing is a type of bearing that uses rolling elements to reduce friction between moving parts. These bearings typically consist of an inner and outer ring, along with rolling elements such as balls or cylindrical rollers situated between them. The primary purpose of rolling-element bearings is to support and facilitate smooth rotational or linear motion while minimizing wear and energy loss. ### Key Features: 1. **Rolling Elements**: The most common rolling elements are balls and cylinders (rollers).
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