Double-row tapered roller bearing 353112 is used in trucks, and the external load and pressure distribution of
the bearing are calculated combining with the specific operating conditions. Tapered roller bearings typically employ
roller profile modification to equalize the load distribution, minimizing the stress concentration at the roller ends. Doing
FEA (finite element analysis) on the contact stress with the changing roller crowning between roller and races, the
appropriate roller profile and the crown drop of roller can be achieved. Finally the best control equation of roller crowning
is obtained. It has important guiding significance for the improvement of roller crowning design of truck hub bearings.