Bis Certification For Tapered Roller Bearings The Bureau of Indian Standards (BIS) has Introduce is 12102:1987, which sets forth the taper roller bearings standards for quality and quantity. These types of bearings are used in mechanical systems like automotive wheels, gearboxes and heavy machinery where there is a need to handle combined radial and axial loads. With the standards issued by the BIS, it is possible to control the geometry, load performance, and durability requirements needed for proper functioning of tapered roller bearings. It is a requirement that all bearing manufacturers willing to sell within India must obtain certified BIS compliance which serves as proof for meeting the industry benchmarks set on national level. Also as certification mark, each bearing needs to have an ISI label signifying hope, reliabilityand compliance with prescribed parameters by BIS.