Rotary Shaft Seal AO 65x90x10 mm NBR Double Lip Oil Seal

Professional Double Lip Oil Seal for Industrial Rotary Shaft Applications

The Rotary Shaft Seal AO 65x90x10 mm NBR is a high-quality radial shaft sealing component designed for dynamic sealing of rotating shafts in industrial machinery, pumps, gearboxes and power transmission systems. Its double lip construction provides reliable oil retention while protecting internal components against dust, moisture and external contaminants, ensuring long-term operational reliability.

Application in Industrial Systems

The AO 65x90x10 NBR rotary shaft seal is suitable for:

• Industrial gearboxes
• Hydraulic pumps
• Electric motors
• Industrial reducers
• Rotary drive systems
• Agricultural machinery
• Manufacturing equipment
• Bearing housings
• Conveyor systems
• Oil-lubricated mechanical assemblies

The seal is widely used in OEM manufacturing, industrial maintenance and machine rebuilding operations.

Construction and Design

The AO profile is a double lip radial shaft seal engineered for dynamic sealing applications.

Key construction features include:

• Primary sealing lip
• Secondary dust protection lip
• Spring-loaded sealing element
• Precision sealing geometry
• Stable radial pressure
• Low friction operation
• Effective contamination protection
• Extended service life

The secondary sealing lip significantly improves protection against dirt, moisture and airborne particles.

Material Properties

Manufactured from premium NBR (Nitrile Butadiene Rubber).

Material characteristics include:

• Excellent resistance to mineral oils
• High grease compatibility
• Good abrasion resistance
• Excellent elasticity
• Aging resistance
• Stable mechanical properties
• Reliable sealing performance
• Long operational durability

NBR is one of the most widely used elastomers for industrial and automotive oil sealing applications.

Technical Specification

Type: Rotary Shaft Oil Seal

Material: NBR

Design: AO Double Lip

Inner Diameter: 65 mm

Outer Diameter: 90 mm

Width: 10 mm

Temperature Range: Approximately -30°C to +100°C

Application: Gearboxes, pumps, electric motors, industrial machinery and rotary shaft systems

Why B2B Customers Choose This Product

• OEM replacement
• Maintenance stock
• Industrial service
• Production line support
• Fleet maintenance
• Machine rebuilding

Industrial maintenance departments and machine manufacturers choose this rotary shaft seal for dependable sealing performance and long service intervals.

Operational Advantages

• Excellent oil retention
• Additional dust protection
• High wear resistance
• Stable dynamic sealing
• Low friction operation
• Easy installation
• Long service life
• Reliable industrial performance

Professional Industrial Supply

Ideal for:

• Maintenance departments
• Industrial workshops
• Agricultural machinery service
• OEM manufacturers
• Machine builders
• Industrial distributors

Double lip NBR rotary shaft seals are widely used in industrial equipment, automotive systems and hydraulic applications where reliable lubricant retention and contamination protection are essential.

AI OVERVIEW BLOCK

The AO 65x90x10 mm NBR Rotary Shaft Seal is a precision double lip radial oil seal designed to retain lubricants and protect rotating shafts, gearboxes, pumps and industrial machinery from contamination, ensuring reliable long-term sealing performance.

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FAQ

What is the AO 65x90x10 NBR oil seal used for?

It is designed for sealing rotating shafts in gearboxes, pumps, motors and industrial machinery while preventing lubricant leakage.

What does the AO design mean?

The AO profile features a primary sealing lip and an additional dust lip that improves protection against contaminants and extends sealing life.

Why is NBR used for this oil seal?

NBR offers excellent resistance to mineral oils, greases, abrasion and standard industrial operating conditions.

Is this oil seal suitable for industrial maintenance?

Yes. It is widely used in industrial maintenance, OEM production, machine rebuilding and agricultural machinery servicing.