Tapered roller bearing

Tapered roller bearing belongs to separate type bearing. The inner and outer rings of the bearing have tapered raceways. This type of bearing is divided into single row, double row and four row tapered roller bearings according to the number of rows of rollers installed. Single row tapered roller bearing can bear radial load and single direction axial load. When the bearing bears radial load, an axial force component will be generated, so another bearing that can bear the axial force in the opposite direction is required to balance. The ability of single row tapered roller bearing to bear axial load depends on the contact angle, that is, the angle of outer ring raceway. The larger the angle, the greater the axial load capacity. The single row tapered roller bearing is the most used in the tapered roller bearing. In the front wheel hub of a car, a small-sized double row tapered roller bearing is used. Four row tapered roller bearings are used in heavy machines such as large cold and hot rolling mills.