End Caps


End-caps provide the secure closure of bores, bearings and shaft feedthroughs. End caps are valves made of steel with vulcanized rubber on the outside. The end cap is used as an end seal for the shaft passage in, for example, motor gearboxes, bridges or gearboxes. 

Where can i use it for?

- Transmissions
- Bearing block sealing
- Split housings
- Light metal housings
- Sealing of thin flowing or gaseous media

how do i mount it?

A properly executed mounting is the basic requirement for a
functional seal. The use of a hydraulic or mechanical press-in
device is the preferred way to press the end cap into the housing
bore. It engages extensively on the exterior of the end cap, so the
pressing force acts as tightly as possible on the outer diameter. To minimize the rebound or oblique positioning of the end cap,
the press-in device must be held for a certain period of time in
the final position. The design of the mounting hole conforms to
guidelines under DIN 3760 for radial shaft seal rings. The ISO tolerance zone H8 must be provided in accordance with DIN ISO 286
for the bore diameter d2.

What are the advantages?


- Exclusive use of highly resistant NBR and FKM materials 

- The End caps have a very wide temperature range, which is a big advantage.

- an advantage of the end caps is that they have a secure closure of bores.

- Stiffening ring made of unalloyed steel in accordance with DIN EN 10139.

- Three different design formats with an elastomer outer casing, as a half-shoulder design, or with an elastomer, grooved outer casing.

-  special profiles can be made for the end caps.


If you would like more information about End Caps, feel free to contact us.

Maybe interested in our high-quality Freudenberg End Caps? Take a look at our Freudenberg Sealing Technologies website!

Do you need advice?

We would love to be of assistance to you in all your sealing inquiries on Oil Seals, Radial Shaft Seals & Radial Seals

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