Tapered Roller Bearings

Tapered roller bearings are designed so that the tapered rollers and their raceways are such that all elements of the cone and raceway meet at a common apex on the bearing shaft. The rollers are guided by the contact between the large end of the roller and the rib of the inner ring (cone). This structure provides high capacity for radial load, axial load and combined load. The larger the contact angle, the greater the load-bearing capacity.

When purely radially applied to the bearing, an inductive load in the axial direction is also generated. Therefore, these bearings are often used in opposing pairs. Proper running clearance or preload can be achieved by adjusting the distance between the two bearings. Because the inner (cone) and outer (cup) rings are separable, each ring can be installed individually, allowing both rings to use a close-fitting method if desired.

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