Tapered roller bearing is mainly used to bear the radial and axial combined load dominated by radial load. Compared with angular contact ball bearing, the bearing capacity is large and the limit speed is low. Tapered roller bearing can bear axial load in one direction and limit axial displacement of shaft or shell in one direction.
The single-row tapered roller bearing has an outer ring, its inner ring and a set of tapered rollers are enclosed by a basket cage into an inner ring assembly. The outer ring can be separated from the inner ring assembly. According to the ISO tapered roller bearing outline dimension standard, the outer ring or inner ring assembly of any standard model of tapered roller bearing shall be able to achieve international interchangeability with the outer ring or inner ring assembly of the same model.
Generally, the conical angle of the outer race of single-row tapered roller bearing is between 10 °~19 °, which can bear the combined action of axial load and radial load at the same time. The larger the cone angle is, the greater the axial load bearing capacity is. For the bearing with large cone angle, the rear code is added with B, the cone angle is between 25 °~29 °, and it can bear large axial load. In addition, the clearance of single-row tapered roller bearing can be adjusted during installation.
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