Thrust Bearing is the correct term.
They come in many diff. configurations, including tapered and angular styles.
A spinning bearing has loads is a radial direction and axial direction. When designing, you need to consider the amount of force/load the bearing will have to handle in both directions. Because everyones application is so different, there is no black or white awnser, just varying shades of grey, so to speak. Heavy thrusts @ low speeds may be better suited for a tapered bearing, if the thrust is not severe, you may be able to stack angular contact bearings in the correct order, to achieve support, You may also be able to use a "Conrad" style radial bearing with deepgrooves. There is a trade off for each, speeds they can rotate at, the amount of "room" they take up in your assembly ect....
hope this helps
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