Rotary Shaft Seal 35x42x8 AO NBR - Technical Oil Seal

Main description

Rotary shaft seal 35x42x8 AO NBR is a precision-engineered oil seal designed to ensure effective sealing of rotating shafts in industrial and automotive systems.

This 35x42x8 AO oil seal is manufactured from NBR (nitrile rubber), a material known for its excellent resistance to oils, greases, and fuels. The AO construction type provides stable lip contact and consistent sealing performance, making it suitable for standard operating conditions where reliability and durability are essential.

Within the broader category of technical seals and rotary shaft seals, the 35x42x8 NBR variant plays a key role in medium-duty applications. It is commonly used where compact dimensions must be combined with dependable sealing efficiency, especially in systems exposed to continuous rotation and lubrication environments.

The flexible properties of NBR allow the sealing lip to adapt to minor shaft misalignments and surface irregularities, maintaining consistent performance over time. This makes the 35x42x8 AO seal a practical solution for machinery, gear systems, and hydraulic components operating under varying loads and temperatures.

Industrial applications

The 35x42x8 AO NBR rotary shaft seal is widely used in:

• industrial gearboxes
• electric motors
• hydraulic pumps and systems
• agricultural machinery
• general manufacturing equipment

In the context of technical sealing solutions, this model supports applications requiring oil resistance and stable operation under standard industrial conditions.

Design and construction

The 35x42x8 AO oil seal features a single sealing lip design supported by a rigid metal outer case. The elastomer sealing lip ensures dynamic sealing, while the metal reinforcement guarantees proper fit and stability in the housing.

AO type construction is optimized for standard sealing tasks without an additional dust lip, focusing on durability and efficient oil retention.

Technical specifications

• Size: 35x42x8
• Material: NBR (nitrile rubber)
• Type: AO
• Temperature range: -30 to +100 C
• Media resistance: oils, greases, fuels
• Design: single lip with metal case

Operational advantages

The 35x42x8 AO NBR rotary shaft seal offers:

• high wear resistance
• reliable sealing in dynamic conditions
• easy installation
• compatibility with a wide range of industrial applications
• cost-effective performance

These features make it a standard choice within the category of industrial oil seals and technical shaft sealing solutions.

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FAQ

Is the 35x42x8 AO seal suitable for oil applications?
Yes, NBR material provides excellent resistance to oils and lubricants.

What does AO type mean in shaft seals?
AO indicates a single lip design without an additional dust lip, intended for standard operating environments.

Can this seal handle high temperatures?
It operates up to approximately 100 C. For higher temperatures, FPM material is recommended.

Where is size 35x42x8 commonly used?
Typically in gearboxes, motors, and pumps in medium-duty industrial applications.

Does this seal compensate for shaft misalignment?
Yes, the flexible NBR lip can accommodate minor shaft deviations.