Tapered roller bearing In the design of tapered roller bearing, the vertexes conical surfaces of the inner ring raceway surface, outer ring raceway surface and the rollers rolling face intersect at one point on the central line of the bearing. Our serial products are available in both metric and imperial, which are applicable for withstanding heavy loads and impact loads. 30202-30264, 30302-30344, 32004-32064, 32204-32256, 32304-32340