Tapper Roller Bearings

Tapered roller bearings are separable radial bearings consisting of an inner ring with a roller set and cage assembly (cone) and a loose outer ring (cup).

Tapered roller bearings are suitable for both radial and thrust forces, as well as combined loads and tilting moments. These bearings transfer loads acting on them at a specific angle, known as the “contact angle α,” toward the shaft’s centreline.

Tapered roller bearings feature tapered inner and outer ring raceways, along with tapered rollers. They are designed to accommodate combined loads, meaning radial and axial loads that act simultaneously. The projection lines of the raceways converge at a common point on the bearing axis, enabling true rolling action and minimizing frictional moments during operation. The axial load-carrying capacity of tapered roller bearings increases with a larger contact angle.

Since single-row tapered roller bearings can only support thrust loads in one direction, they must always be used in pairs, with one bearing adjusted against another to guide the shaft in the opposite direction.

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