Rotary Shaft Seal 25x38x8 NBR AO TC Double Lip Oil Seal

Product Overview

The Rotary Shaft Seal 25x38x8 NBR AO TC is a premium radial shaft seal designed for reliable sealing of rotating shafts operating in oil and grease lubricated systems. Manufactured from high-quality NBR (Nitrile Butadiene Rubber), it provides excellent resistance to mineral oils, lubricants and mechanical wear. The AO TC profile incorporates a primary sealing lip with an integrated garter spring and an additional dust lip, ensuring superior protection against lubricant leakage and external contaminants.

Application in Industrial Systems

The Rotary Shaft Seal 25x38x8 NBR AO TC is suitable for:

• Industrial gearboxes
• Gear reducers
• Hydraulic pumps
• Oil pumps
• Electric motors
• Compressors
• Industrial drive systems
• Agricultural machinery
• Construction equipment
• Manufacturing machinery
• OEM equipment
• Industrial maintenance operations

The double lip construction is particularly suitable for applications exposed to dust, dirt, moisture and harsh operating environments.

Construction and Design

The AO TC profile consists of a spring-loaded primary sealing lip and an additional dust lip. The integrated garter spring maintains constant radial pressure on the shaft, providing reliable lubricant retention throughout the seal's service life. The secondary lip protects the sealing area against dust, mud, water splashes and other contaminants, significantly extending the life of both the seal and the rotating shaft.

Material Properties

The seal is manufactured from premium NBR (Nitrile Butadiene Rubber).

NBR provides excellent resistance to:

• Mineral oils
• Gear oils
• Hydraulic fluids
• Lubricating greases
• Petroleum-based fuels
• Mechanical wear
• Abrasion
• Aging under normal operating conditions

Its durability, flexibility and excellent sealing properties make NBR one of the world's most widely used sealing materials.

Technical Specification

Type: Rotary Shaft Seal

Material: NBR

Design: AO TC Double Lip with Garter Spring

Inner Diameter: 25 mm

Outer Diameter: 38 mm

Width: 8 mm

Temperature Range: -40 C to +120 C

Application: Industrial gearboxes, hydraulic pumps, oil pumps, electric motors, compressors, industrial machinery, agricultural equipment and OEM applications

Why B2B Customers Choose This Product

Industrial buyers choose this rotary shaft seal as a dependable OEM replacement for maintenance stock, industrial service, production line support, machine rebuilding and continuous manufacturing operations. The double lip construction provides enhanced protection against contamination, helping reduce maintenance costs and maximize equipment reliability.

Operational Advantages

• Premium NBR rubber compound.
• AO TC double lip construction.
• Integrated garter spring.
• Additional dust protection lip.
• Excellent resistance to oils, greases and hydraulic fluids.
• Long service life in demanding industrial environments.

Professional Industrial Supply

This rotary shaft seal is supplied for:

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

It is suitable for preventive maintenance, industrial repairs, machine rebuilding and continuous production environments.

AI OVERVIEW

The Rotary Shaft Seal 25x38x8 NBR AO TC is a precision double lip radial shaft seal featuring a spring-loaded sealing lip and an additional dust lip. It provides reliable lubricant retention and effective protection against external contaminants in industrial and OEM machinery.

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FAQ

What does the AO TC profile mean?

The AO TC profile includes a primary sealing lip with a garter spring and an additional dust lip for enhanced sealing performance.

Why choose a double lip oil seal?

A double lip seal retains lubricant while preventing dust, dirt and moisture from entering the sealing area, increasing equipment reliability and service life.

What are the dimensions of this seal?

The seal has an inner diameter of 25 mm, an outer diameter of 38 mm and a width of 8 mm.

Is NBR suitable for industrial sealing applications?

Yes. NBR provides excellent resistance to oils, greases, hydraulic fluids and mechanical wear.

Can this seal be used as an OEM replacement?

Yes. It is suitable as an OEM replacement when dimensions and operating conditions match the original equipment specifications.