SPHERICAL THRUST BEARINGS

The Spherical roller thrust bearing have a spherical raceway in the housing washer and barrel shaped rollers obliquely arranged around it.

Since the raceway in the housing washer is spherical, these bearings are self-aligning.

They can accommodate heavy axial loads and moderate radial loads. When an axial load is applied the radial load must be less then 55% of the axial load. They are suitable for relatively high speeds.

For proper lubrication of roll heads inner ring rib, sliding surfaces between cage and guide sleeves etc, oil lubrication is advised even at low speed. When using greases as lubricant, it is necessary to ensure that the roll heads/rib contacts are adequately supplied with grease.

The bearings have pressed steel cage (no cage suffix) or mechanical brass cage. The cage hold together roller set and the shaft washer.

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Description

Spherical thrust bearings are a type of rolling-element bearing designed to support axial loads in one direction. They are similar in design to spherical roller bearings but are specifically engineered to handle thrust loads. Here are some key features and characteristics of spherical thrust bearings:

1. Spherical Design: Spherical thrust bearings have a spherical housing washer and a spherical roller and cage assembly. This design allows the bearing to accommodate misalignment and shaft deflection, similar to spherical roller bearings.

2. High Axial Load Capacity: Spherical thrust bearings are designed to accommodate high axial loads in one direction. They are commonly used in applications where heavy thrust loads are present, such as in automotive transmissions and gearboxes.

3. Self-aligning: Like spherical roller bearings, spherical thrust bearings are self-aligning and can accommodate misalignment between the shaft and housing. This self-aligning capability helps to reduce stress on the bearing and prolong its service life.

4. Variants: Spherical thrust bearings are available in several variants, including single direction and double direction designs. Single direction bearings can accommodate axial loads in one direction, while double direction bearings can accommodate axial loads in both directions.

5. Lubrication: Spherical thrust bearings require proper lubrication to ensure smooth operation and long service life. They can be lubricated with grease or oil, depending on the application requirements.

6. Temperature Range: Spherical thrust bearings can operate in a wide range of temperatures, depending on the lubricant and materials used in their construction.

7. Applications: Spherical thrust bearings are used in various industries and applications, including automotive, aerospace, and industrial machinery, where axial loads need to be supported.

Overall, spherical thrust bearings are known for their high axial load capacity, self-aligning capability, and suitability for applications with heavy thrust loads. They are a popular choice in industries where reliable performance under axial loads is required.