Shaft Seals NBR

Shaft seal is mainly built of a metallic stiffening ring and a vulcanized sealing element. Shaft seals are used for example to seal the space between a rotating shaft and a static housing. Available in a variety of profiles and materials for different purposes.

Nitrile rubber (NBR) is the most commonly used seal lip material due to its high resistance to mineral and vegetable oils, abrasion resistance and flexibility. The material is also suitable for use with inorganic, alkaline and acidic media, provided that the solutions are diluted and temperatures moderate.

Maximum operating temperature: -20 to + 120 ° C.

Model A:
The most commonly used profile that is suitable for most applications. The rubber outer shell protects the surface of the housing from scratches when installed.

Model AS:
Like the model A, but with another so-called dust lip. Prevents dirt from entering the actual sealing lip. When installing, it is recommended to fill the space between the lips with a suitable lubricant.

Model AO:
Spring less design for cramped housing when no high demands are placed on the seal. Most often used in connection with a needle bearing.

Model ASP:
Like the model AS, but the actual sealing lip is shorter and supported. Pressure resistance range 1-10 bar. Usually used in hydraulic pumps and motors.

Model B:
Metal shell design that is easy to install but sometimes requires a sealant or o-ring to be used on the outer rim to prevent leaks.

Model BS:
Like B, but with another so-called dust lip. Prevents dirt from entering the actual sealing lip. When installing, it is recommended to fill the space between the lips with a suitable lubricant.

Model C:
Stiffer, metal shell profile.

Model CS:
Like the model C, but with another so-called dust lip. Prevents dirt from entering the actual sealing lip. When installing, it is recommended to fill the space between the lips with a suitable lubricant.




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