Taper roller bearings are precision components built to carry both radial and axial (thrust) loads at the same time, thanks to their tapered cone-and-cup design. This makes them a natural fit for wheel hubs, transmissions, differentials, and axle assemblies, where a vehicle's weight, cornering forces, and braking loads all act together. The larger contact area between rollers and raceways spreads stress more evenly, giving them a higher load-carrying capacity than comparable ball or cylindrical bearings.