What is the function of tapered roller bearings?

Tapered roller bearings mainly bear radial and axial combined loads. The bearing capacity depends on the larger the raceway angle of the outer ring, the greater the bearing capacity. This type of bearing belongs to the separated type bearing, which is divided into single row, double row, and four row tapered roller bearings according to the number of rolling elements in the bearing. The clearance of single row tapered roller bearings needs to be adjusted by the user during installation, while the clearance of double row and four row tapered roller bearings is given according to the user's requirements at the time of product delivery and does not need to be adjusted by the user.

Tapered roller bearings have conical inner and outer raceway, with tapered rollers arranged between the two. All projection lines of conical surfaces converge at the same point on the bearing axis. This design makes tapered roller bearings particularly suitable for withstanding composite (radial and axial) loads. The axial load capacity of bearings is mostly determined by the contact angle. The larger the contact angle, the higher the axial load capacity. The angle size is represented by the calculation coefficient e: the larger the value of e, the larger the joint angle, and the greater the applicability of the bearing to bear axial loads.

Tapered roller bearings are usually of the separated type, which means that the conical inner ring assembly consisting of rollers and cage components can be installed separately from the outer circle.

Tapered roller bearings are widely used in industries such as automobiles, rolling mills, mining, metallurgy, and plastic machinery.

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