The highlight of these new products: two sealing rings that are smartly interconnected and make the ingress of water and
contamination into the inside of the bearing impossible.
Deep groove ball bearings can be found on the drive trains of a wide range of vehicles, including front-wheel drive compact
cars, limousines, small vans, and all-terrain SUVs. Many of the applications in which these bearings are used mean they are
often subjected to extremely harsh conditions, where water and contamination can penetrate into the inside of the bearing
and cause damage. Schaeffler is now putting an end to this with its new “CoRX” and “Twin-Ax” deep groove ball bearings
for passenger car drive shafts, which are equipped with a labyrinth sealing system that keeps contamination out of the
inside of the bearing. The special feature of this system is a pair of specially formed sealing rings.
“CoRX” and “Twin-Ax”: great sealing action with low frictional torque
Unlike the existing “Seal-Slinger+Ax” deep groove ball bearings, the “CoRX” and “Twin-Ax” bearings feature cassette
seals. While “CoRX” bearings are equipped with axial and radial seals, “Twin-Ax” bearings feature two axial lips made
from corrosion-free stainless steel. The outer sealing ring is water and dust-repellent. Both bearings have a third sealing
lip with minimal interference to ensure that the lubricating grease stays inside the bearing, and it also provides improved
wear protection. What is more, the frictional torque inside the bearings is minimised thanks to the optimised sealing lip
contact, which means they are ideal components for high-speed drive shafts. “CoRX” and “Twin-Ax” bearings are suitable
for a wide range of applications: they can be installed as both prop shaft and side shaft bearings and require no
additional seals to be fitted (depending on the customer’s requirements).
Deep groove ball bearings from FAG: customised components from a single source
Schaeffler has been delivering customised solutions for the entire drive train for decades. Deep groove ball bearings from
Schaeffler are ideal for low frictional torques, good sealing action, and maximum resistance to tilting. This is further
exemplified by the already-established “Single Contact” bearing. This bearing runs with particularly low friction thanks
to the optimised contact between its inner and outer ring, and is ideal for integration into the drive train as a semi-
locating prop shaft or side shaft bearing. An alternative to this is the “2-Point Contact” bearing, which was developed
by Schaeffler’s engineers with a view to providing maximum protection against tilting. Schaeffler’s product portfolio
also includes the “Seal-Slinger” bearing, which is equipped with two sealing rings and thus delivers significantly better
sealing action.
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