Bearings steel thrust roller bearing heavy machine tool

The characteristics and uses of thrust roller bearings:

Thrust roller bearings are used to support axial and radial combined loads with axial loads, but radial loads must not exceed 55% of axial loads. Compared with other thrust roller bearings, this type of bearing has a low friction factor, high speed and self-aligning performance.

The stick of the 29000 type bearing is an asymmetrical spherical roller, which can reduce the relative sliding of the roller and the raceway during work, and has a long roller, a large diameter, a large number of rollers, a high load capacity, and is usually oil lubricated. Individual low speed conditions can be lubricated with grease. In design selection, it should be preferred; 80000 thrust cylindrical roller bearings, 90000 thrust tapered roller bearings and AXK thrust needle bearings can withstand one-way axial load, which is more axial than thrust ball bearings. The load capacity is much larger, and the rigidity is large and the axial space is small. Thrust cylindrical roller bearings and thrust needle roller bearings are suitable for low speed applications. Thrust tapered roller bearings have a slightly higher rotational speed than thrust cylindrical roller bearings.

Specific classification and model comparison:

1. Thrust cylindrical roller bearing (80000 type)

Note: Can withstand large one-way axial load, limit one-way axial displacement, low limit speed

2, thrust spherical roller bearings (29000 type)

Note: For radial and axial combined loads mainly subjected to axial loads, the radial load must not exceed 55% of the axial load, can withstand one-way axial load, and limit the axial displacement of the shaft (housing) in one direction.

3. Thrust needle roller and cage assembly (AXK type)

Note: Suitable for low speed applications

4, thrust washer (AS type)