Bis Certification For Double Row Radial Ball Bearings The Bureau of Indian Standards (BIS) has Introduce IS 6456:1972, which outlines the standard for double row radial ball bearings. These types of bearings are particularly important in applications requiring substantial load handling alongside balanced radial support and smooth rotation. Adherence to this standard facilitates ensuring that double row radial ball bearings are produced according to the BIS standards on quality, accuracy, and operational dependability. Any manufacturer intending to market these bearings in India must obtain BIS certification, indicating compliance with the quality framework defined at the national level. In addition, all certified bearings must carry the ISI mark confirming compliance and reliability as per BIS requirements.