Tapered roller bearing classification and its characteristics

First, single row tapered roller bearings

The single row tapered roller bearing has an outer ring, the inner ring and a set of tapered rollers are surrounded by a basket-shaped cage to form an inner ring assembly, and the outer ring and the inner ring assembly are separable. In addition, single row tapered roller bearings can adjust the clearance during installation. Such bearings can only limit the axial displacement of the shaft or casing in one direction and withstand axial loads in one direction.

Second, double row tapered roller bearings

The outer ring (or inner ring) of the double row tapered roller bearing is a whole, and the two inner rings (or outer rings) have similar small end faces with spacers in the middle. This type of bearing can withstand radial loads while being able to withstand biaxial axial loads, limiting the bidirectional axial movement of the shaft or housing within the axial clearance of the bearing.

Three or four row tapered roller bearings

The performance of this type of bearing is basically the same as that of the double row tapered roller bearing, but it has a larger radial load than the double row tapered roller bearing and a slightly lower limit speed. It is mainly used for heavy machinery such as rolling mills.

Four, multi-sealed double and four row tapered roller bearings

Multi-sealed double and four-row tapered roller bearings change the traditional design method of fully sealed bearings, adopting a new sealing structure combining sealing and dustproof to improve sealing effect and improve sealing performance. Compared with open-structure bearings, the life is increased by 20%-40%, and the lubricant consumption is reduced by 80%.

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