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The role and use of tapered roller bearings


Tapered roller bearings mainly bear combined radial and axial loads. The bearing capacity of the bearing depends on the raceway angle of the outer ring. The larger the angle, the greater the bearing capacity. This kind of bearing is a separate bearing. According to the number of rows of rolling elements in the bearing, it is divided into single-row, double-row and four-row tapered roller bearings. The clearance of single-row tapered roller bearings needs to be adjusted by the user during the installation process; the clearances of double-row and four-row tapered roller bearings have been provided at the factory according to user requirements, and no user adjustment is required.
The inner and outer rings of tapered roller bearings have tapered rollers, and the tapered rollers are arranged between the two. The projection lines of all conical surfaces converge on the same point on the bearing axis. This design makes tapered roller bearings particularly suitable for bearings that bear complex (radial and axial) loads. The axial load capacity of the bearing is mainly determined by the contact angle α; the larger the angle α, the higher the axial load capacity. The size of the angle is represented by the calculation factor e; the greater the value of e, the greater the contact angle, and the greater the applicability of the bearing to bear the axial load.

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