Machines run because small parts do their job quietly. Ball bearings are one of those parts. Inside a ceiling fan, a water pump, an electric motor or a scooter wheel, a single-row deep groove ball bearing keeps a shaft spinning with very little friction. Since one weak bearing can stop an entire machine, the Indian government has made quality checks compulsory. If you manufacture, import or sell this product, you need BIS Certification for Single-Row Deep Groove Ball Bearings, which allows you t