Bearing Checker is a handheld device used primarily for assessing the condition of bearings in machinery. It is designed to detect early signs of bearing wear and damage, which is crucial in preventing machinery breakdowns and costly repairs. By measuring parameters like vibration levels and noise, the Bearing Checker helps in predictive maintenance, allowing users to identify issues before they lead to significant problems or machinery failures. This tool is widely used in industries like manufacturing, automotive, and maintenance sectors to ensure the smooth and efficient operation of mechanical systems.