Tapered Roller Bearing Races: Special Challenges of the Back Face Rib and Raceway

The large back face rib of the inner ring and the raceway of the outer ring are critical areas under stress, with complex geometries. Grinding is prone to burns and cracks, requiring the use of large-pore grinding wheels and high-pressure jet cooling. The angle and positional accuracy of the back face rib directly affect roller guidance and the axial load capacity of the bearing.