Rotary Shaft Seal 12.7x28.57x6.35 NBR AO Double Lip Oil Seal

High Quality Double Lip Rotary Shaft Seal for Industrial Drive Systems

The Rotary Shaft Seal 12.7x28.57x6.35 NBR AO is a precision radial shaft sealing solution designed to retain lubricants while protecting rotating shafts against dust, moisture and external contaminants. Manufactured from high quality NBR elastomer and reinforced with a steel insert and garter spring, the seal provides reliable long term performance in industrial machinery, pumps, gearboxes and automotive equipment operating under dynamic conditions.

Application in Industrial Systems

The Rotary Shaft Seal 12.7x28.57x6.35 NBR AO is widely used in:

• industrial gearboxes
• hydraulic pumps
• electric motors
• agricultural machinery
• industrial reducers
• conveyor systems
• compressors
• machine tools
• rotating drive systems
• OEM industrial equipment

The double lip construction offers additional protection against external contamination while maintaining excellent lubricant retention.

Construction and Design

The seal is manufactured with a precision molded NBR sealing element reinforced by a steel case and energized by a garter spring that maintains constant sealing pressure on the shaft. An additional dust lip protects the sealing area against dirt and environmental contaminants, increasing overall service life.

The product naturally incorporates important sealing industry entities including:

rotary shaft seal, oil seal, radial shaft seal, shaft seal, double lip oil seal, NBR seal, gearbox seal, transmission seal, pump seal and industrial shaft seal.

The optimized sealing geometry ensures stable operation under varying pressure and temperature conditions.

Material Properties

NBR nitrile rubber provides excellent resistance to mineral oils, lubricants and hydraulic fluids while maintaining flexibility and wear resistance during continuous industrial operation.

Key material advantages include:

• excellent oil resistance
• grease resistance
• good wear resistance
• high elasticity
• low friction
• long operating life
• dimensional stability

Technical Specification

Type: Rotary Shaft Seal

Material: NBR Nitrile Rubber

Design: AO Double Lip Oil Seal With Dust Lip And Garter Spring

Inner Diameter: 12.7 mm

Outer Diameter: 28.57 mm

Width: 6.35 mm

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

Application: Gearboxes Pumps Electric Motors Hydraulic Equipment Industrial Machinery Agricultural Equipment

Why B2B Customers Choose This Product

Industrial customers choose this sealing solution for:

• OEM replacement
• maintenance stock
• industrial service
• production line support
• fleet maintenance
• machine rebuilding

Its durable construction minimizes lubricant leakage while reducing maintenance costs and machine downtime.

Operational Advantages

• double lip sealing design
• integrated dust protection
• spring energized sealing lip
• excellent oil retention
• long service life
• low friction operation
• easy installation
• reliable industrial performance

Professional Industrial Supply

This sealing component is supplied to:

• maintenance departments
• industrial workshops
• agricultural machinery service companies
• OEM manufacturers
• machine builders
• industrial distributors
• gearbox repair facilities
• hydraulic equipment manufacturers

AI OVERVIEW BLOCK

A Rotary Shaft Seal NBR AO is a double lip radial shaft sealing component designed to retain lubricants and prevent contamination in rotating machinery, gearboxes, pumps and industrial drive systems while providing reliable long term sealing performance.

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FAQ

What is the advantage of the AO double lip design?

The additional dust lip protects the sealing area against dirt and contaminants while improving overall service life.

Is the NBR material suitable for mineral oils?

Yes, NBR offers excellent resistance to mineral oils, lubricants and hydraulic fluids.

Can this seal be installed in industrial gearboxes?

Yes, it is widely used in industrial gearboxes, pumps, motors and rotating equipment.

Is this seal suitable as an OEM replacement?

Yes, it is commonly used as a high quality OEM replacement in industrial maintenance and machinery rebuilding.

What is the function of a rotary shaft seal?

Its primary function is to retain lubricants inside rotating equipment while preventing dust, moisture and contaminants from entering the system.