Roller thrust bearings-features and applications.
Roller thrust bearing is a type of bearing that is included in the category of thrust bearings. As like other bearings, it is also designed to permit the rotation as well as to bear the load mechanically. They are designed in such a way that they can support high axial loads. These are better known for their capacity to bear heavy loads.
Roller thrust bearings are generally made up of small as well as tapered rollers, which are arranged in parallel fashion in such a way that their axe points along the axis of the particular bearing. Life of roller thrust bearing is less as compared to that of other types. The sole reason of lesser life is the difference between in the friction and radial speed. Though, these are cheaper and compatible for such an equipment where bearings have to face massive loads. They can tolerate massive loads as they are designed such that the contact direction will be inclined to the shaft’s axis. These are also immune to misalignment because of the difference in the tracks of the housing washer as well as that of the rolling bodies. As a housing washers contains a spherical tracks where as that of the rolling bodies is barreled shaped.
As mentioned earlier they are suitable for heavy loads, so they are mostly used in gear sets like that of cars as in car transmissions between the rotating shafts and housing and between the gear sprockets. As helical gears possess angled teeth, which create intense thrust or load, which can only be handled by this type of bearing. So these are commonly used for such purpose as helical gears are commonly used in these transmissions.
Such bearings are characterized by high load capacity but have lesser life as compared to the others, but they are comparatively cheap as compared to the others.