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Cylindrical Roller Thrust Bearings series 811 and 812 are single direction acting separable axial bearings.
Cylindrical roller thrust bearings are insensitive to shock loading and feature much higher load carrying capacity compared to thrust ball bearings. They accommodate very high axial loads but no radial forces. They provide a very rigid bearing assembly for high thrust loading with less space requirement.
Cylindrical roller thrust bearings are of simple design, they consist of a shaft washer (WS), a housing washer (GS), and a cylindrical roller and cagethrust assembly (K), see Abb. 1.
With all cylindrical roller thrust bearings, increased sliding friction can occur on the end of the cylindrical rollers.
In order to minimise this negative effect, Mouken cylindrical roller thrust bearings with wider sectional widths are produced using several short rollers in each cage pocket instead of using individual longer rollers.

Due to their specific kinematic behaviour, cylindrical roller thrust bearings are only suitable for low speed applications only. Furthermore, they require minimum aXal loads for theiroptimum function.