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Load directions for Extreme Bearings

Extreme Bearing units are intended for loads acting vertically towards the base plate support. Therefore, if the bearing housing is supported over its entire base, loads are limited only by the load limits of the bearing insert. If loads acting in other directions occur or if the housing is not supported over its entire base area, check that the magnitude of the load is permissible for the bolt assembly attached to the machine frame.

Type EXF 4 bolt flange bearings

The load capability is limited by the bolt fastening

Loads acting vertically toward the base plate

Type EXS Pillowblock
Type EXW 2 bolt flange bearings
Type EXL 3 bolt flange bearings
Type EXT Take-up bearings
Type EXC Tapered pillowblock bearings
Axial load carrying capacity 

If Extreme Bearings are mounted on smooth shafts with no fixed abutment, the magnitude of the axial load that can be supported is determined by the friction between the shaft and sleeve. Provided the bearings are correctly mounted, the permissible axial load can be calculated from:

Fap = 0,003 B d           where: Fap = maximum permissible axial load, kN

                                                B = bearing width, mm

                                                d = bearing bore diameter, mm

Tensioner stud

The EXF bearing unit can be provided with a tensioner stud. In that case, the load can act in the opposite direction to the threaded rod. This is a unique feature of this type of Extreme Bearing.

Thrust bearing unit

The EXV thrust bearing unit is designed for pure thrust loads and can handle little or no radial load. Perhaps this is a better solution for your needs if there is no radial load.

Look at our thrust bearing units,
perhaps this is a better solution.
Single row, Type-E roller bearings
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Self-aligning double row spherical roller bearing inserts

Self-aligning double row spherical roller bearings have the advantage that they can carry a heavy radial and axial load

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© 2020 Extreme Bearing

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WAIVER: Our opinion and our advice are not guaranteed and Extreme Bearing shall not be liable for the consequences of any damages caused by incorrect advice or the contents of this website. The customer is responsible for checking that the right choice of Extreme Bearing product has been made to match their actual working conditions and dimensions.