The tapered bearing mainly bears the combined radial and axial loads mainly in the radial direction. The bearing capacity depends on the raceway angle of the outer ring, and the larger the angle, the greater the bearing capacity. This type of bearing is a separable bearing, which is divided into single-row, double-row and four-row tapered bearings according to the number of rows of rolling elements in the bearing. The clearance of the single-row tapered bearing needs to be adjusted by the user during installation; the clearance of the double-row and four-row tapered bearing has been given according to the user's requirements when the product leaves the factory, and does not need to be adjusted by the user.
Tapered bearings have tapered inner and outer raceways with tapered rollers arranged between them. The projected lines of all conical surfaces meet at the same point on the bearing axis. This design makes tapered bearings particularly suitable for combined (radial and axial) loads. The axial load capacity of the bearing is mostly determined by the contact angle α; the larger the α angle, the higher the axial load capacity. The size of the angle is represented by the calculation coefficient e; the larger the value of e, the larger the contact angle, and the greater the applicability of the bearing to bear the axial load.
Tapered bearings are usually separable, that is, the tapered inner ring assembly composed of the inner ring with the roller and cage assembly can be installed separately from the tapered outer ring (outer ring).
Tapered bearings are widely used in automobile, rolling mill, mining, metallurgy, plastic machinery and other industries.

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