Rolling bearings for agricultural applications
NSK has introduced rolling bearings designed specifically for the agriculture industry. Its Agri Disc Hubs are ready-to-install units deployed in soil tillage machinery such as compact disc harrows, seed drills and strip-till equipment and are available in diameters from 400 to 800mm.
Agri Disc Hubs comprise double-row angular contact ball bearings that are able to absorb high radial and axial loads. Via a flange, the units can be fitted directly to disc harrows, for example.
The robust design of Agri Disc Hubs is among the principal features of these units, which are expected to operate in harsh environments. Sudden shock loads, such as those caused by rocks in the soil, create high axial loads as a result of the angle at which tillage equipment is positioned in relation to the direction of travel. Agri Disc Hubs are said to offer long service life without the requirement for maintenance, even when subjected to the severe mechanical stress encountered in agricultural applications.
The Agri Disc Hubs feature a cassette seal system that prevents the infiltration of dust and moisture into the bearing interior. Furthermore, no grease can leak or spill on to the soil as the bearings do not require re-lubrication.
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