Support rollers (yoke-type track rollers) are designed to run on all types of tracks and to be used in cam drives, conveyor systems, etc. They are based on a single row needle or cylindrical roller bearings . They have a thick-walled outer ring with a crowned or flat running surface and are supplied ready-to-mount. They have high radial load carrying capacity, a long service life, they are ready to mount and can have a separable design.