Structure and application scope of thrust tapered roller bearing

Thrust tapered roller bearings are used to bear combined axial and radial loads, mainly axial loads, but the radial load shall not exceed 55 of the axial load.

Compared with other thrust roller bearings, this bearing has lower coefficient of friction, higher speeds, and self-centering performance.

The rollers of the 29000 bearing are asymmetric spherical rollers, which can reduce the relative sliding of the rollers and raceways during operation.  The rollers are long and large in diameter, with a large number of rollers and high load capacity.  They are usually lubricated with oil.

, grease lubrication can be used in individual low speed situations.

In design and selection, priority should be given;  80,000 thrust cylindrical roller bearings, 90,000 thrust tapered roller bearings and AXK thrust needle roller bearings can withstand higher unidirectional axial loads than thrust ball bearings.

Large load capacity, high stiffness, and small axial space.

Thrust cylindrical roller bearings are separable bearings that can only withstand unidirectional axial loads and slight impacts, and can limit the axial displacement of the shaft or bearing seat in one direction, so they can be used for unidirectional axial positioning.

However, its load-bearing capacity is much greater than that of thrust ball bearings.

When the roller rolls, due to the different linear velocities at both ends of the roller, the roller inevitably slides on the ring raceway.  Therefore, the speed limit of such bearings is lower than the speed limit of thrust ball bearings and is usually only suitable for low speed operation.

The standard design of thrust cylindrical roller bearings uses a solid car metal cage, and other types or materials can be used according to user requirements.

Thrust tapered roller bearings can only bear unidirectional axial loads and can limit the unidirectional axial displacement of the bearing, so they can be used for unidirectional axial positioning.

Compared with thrust, cylindrical roller bearings have large bearing capacity and relatively small sliding, but have a lower speed limit.  Thrust cylindrical roller bearings are mainly used in heavy-duty machine tools, high-power marine gearboxes, oil drilling rigs, vertical motors and other machinery.

Thrust roller bearing types include: metric thrust roller bearings, English thrust roller bearings, stainless steel thrust roller bearings, thrust cylindrical roller bearings, thrust tapered roller bearings, etc.