Thrust Roller Bearing

Tapered Thrust Roller Bearings

Thrust roller bearings are used to bear the combined axial and radial load, mainly the axial load. Still, the radial load shall not exceed 55% of the axial load. Compared with other thrust roller bearings, this type of bearing has a lower friction factor, higher speed, and has self-aligning performance.Thrust roller bearings are widely used in the steel industry, mining and construction, paper machinery, wind turbines, machine tools, gearboxes, motors, pumps and compressors, and injection molding machines.
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Tapered thrust roller bearings carry axial loads with no radial load-carrying capacity. These bearings have raceways on the face of the washers. They comprise a shaft washer, a housing washer, and a roller and cage assembly and are separable.

Tapered thrust roller bearings are available in a single direction, double direction, and screw-down configurations:

Features and benefits

  • Separable design
    The shaft and housing washers and the roller and cage thrust assemblies of tapered roller thrust bearings with cages can be mounted separately.
  • Low friction
    The optimized roller end design and surface finish on the flange promote lubricant film formation, resulting in lower friction. This also reduces frictional heat and flange wear.
  • Long service life
    Depending on the design, crowned or logarithmic raceway profiles optimize the load distribution along the contact surfaces, reduce stress peaks at the roller ends, and reduce the sensitivity to misalignment compared with conventional straight raceway profiles.
  • Enhanced operational reliability
    The surface finish on the contact surfaces on the rollers and raceways supports the formation of a hydrodynamic lubricant film.
  • High load-carrying capacity
    The rollers incorporated in tapered roller thrust bearings are manufactured to such close dimensional and geometrical tolerances that they are practically identical. This provides optimal load distribution and enables the bearings to accommodate heavy axial loads.

Its main applications

The tapered thrust roller bearing is used in many industrial applications. It is ideal for guides that have to undergo extreme loads. It is also found in applications where radial loads are essential and have high rotational speeds. Tapered thrust roller bearings are essential in agriculture, construction, mining, engines, and propellers. At the industrial level, paper mills, cement plants, and oil companies are some examples of environments where tapered roller bearings are found.