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Axial load bearing carrying capacity

Axial load bearing carrying capacity for standard Extreme Bearings with and adapter sleeve

Double row spherical roller bearings have an extremely high load carrying capacity, tolerating both radial and axial loads in both directions. A standard Extreme Bearing is equipped with this kind of bearing and locked on the shaft  by using an adapter sleeve. When occur a axial load on the shaft mounted by a standard Extreme Bearing is the maximum  load, the load that can be hold by the adapter sleeve. 

Based on practical experience can be made a approximate calculation of the axial load which can be kept by the adapter sleeve, by using the a rule of thumb :

Fap = 0,003 · B · d
Fap = maximum permissible axial load, kN
B = bearing width, mm
d = bearing bore diameter, mm

For heavier loads

Extreme Bearing provide two more mounting options to handle more axial forces, depends from which direction the load is.

  • When the axial force is coming from the back side fot the bearing unit, we use a DR-ring to bring the force over straight on the bearing itself.
  • When the force is coming from the cover side of the bearing unit, we use a CV-Busing in a sphircal roller bearing with cylindrical bore to bring the force straight on the bearing itself.

The axial load depends on the radial load and how the load occur, impact or continuous load, temperature, speed and etcetera. It is quite complicated to made this calculation. Please feel free to contact us with your questions.

Based on practical experience can be made a approximate calculation of the axial load, by using the a rule of thumb:
0,5 of the radial load is the permised axial load.

DR-ring

When you need a heavier load than can be keep on a adapter clamping force than you need a DR-ring to bring the force over straight on the bearing itself.

Diameter d1 is up to 60mm, 5mm thicker than diameter d
Diameter d1 is from 65mm, 10mm thicker than diameter d

Shaft ØC, Max. Cooling shrinkage mmB, Max. Heating expansion mm
203,53,5
253,53,5
303,53,5
353,53,5
403,53,5
4544
5044
5544
6044
7055
8055
1001010

CV-Bushing

When you need a heavier load than can be keep on a adapter clamping force and the force direction is coming from the cover side than you need a CV-bushing to bring the force over straight on the bearing itself.

Diameter d1 is up to 60mm, 5mm thicker than diameter d
Diameter d1 is from 65mm, 10mm thicker than diameter d

A smaller diameter d is possible on special request

Part Numberdd1X
CV025253018
CV030303521
CV035354022
CV040404523
CV045455024
CV050505525
CV055556027
CV060606529
CV065657530
CV070708034
CV075758536
CV080809038
CV085859541
CV0909010043
CV10010011048

Trust bearing for huge axial loads 

When the loads are not sufficiently, please explore the EXV thrust bearing units

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