Ningbo Rail Transit adopts SKF technology for bearing life extension project.

SKF's innovative technology package has extended the practical lifespan of the critically important regenerative bearings installed on eight train sets of Ningbo Rail Transit from 800,000 km to 1,000,000 km. This project marks the first commercial application of SKF's Insight Metro wireless condition monitoring system, developed domestically to meet the specific demands of China's railway sector.
Insight Metro is a battery-powered, self-contained condition monitoring unit that records individual bearing speed, temperature, and vibration data, transmitting this data to the SKF cloud via a secure mobile network connection. The unit can operate autonomously for up to six months and can be charged on-site using wireless charging technology when needed.
Ningbo Rail Transit has deployed 96 Insight Metro units across approximately 200 train sets operating on "Line 1," which connects 46 km east-west across the city. These new units are installed on the long-distance running bearings of axle units and provide early warnings if any signs of wear or damage are detected. Operational data from the units is regularly sent to the SKF Remote Analysis Service Center...

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The world's latest urban railway network is enhancing train reliability and lifespan with SKF bearings, lubricants, and innovative wireless condition monitoring technology.