What is a Bearing?

Source: China Bearing Network | Date: March 29, 2014

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An air bearing, also known as a gas bearing, is a type of sliding bearing that uses a gasâ€”typically airâ€”as a lubricant. Unlike traditional oil-based bearings, air bearings operate with minimal friction and provide high precision, making them ideal for applications requiring extreme accuracy and speed. One of the key advantages of air bearings is their ability to reduce heat generation during operation. This helps in maintaining stable performance over time, which extends the life of both the bearing and the machinery it supports. Additionally, because they donâ€™t require oil or grease, they are often used in clean environments where contamination must be avoided. Features of Air Bearings: 1. High precision and accuracy 2. Suitable for high-speed operations 3. Reduces wear and extends tool life 4. Offers smooth and consistent motion 5. Increases overall system efficiency 6. Operates with low temperature rise 7. Provides protection against damage from excessive load 8. Enhances load capacity 9. Ensures a smooth and quiet operation 10. Promotes healthier working conditions by eliminating lubricants Air bearings are widely used in industries such as semiconductor manufacturing, precision machining, and medical equipment, where reliability and performance are critical.

**Related Bearing Knowledge** - High-quality tapered roller bearing 32005X - The function of thrust bearings in mechanical systems - Common issues and troubleshooting in bearing operations This article is sourced from China Bearing Network. For more information, visit [China Bearing Network](http://www.chinabearing.net). Previous: Correction of Hydraulic Excavator Reverse Bearing Next: Functional Requirements of Oil Film Bearings

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