CORTECO 12037239 NBR COMBI SF19 50x80x27.5 Rotary Shaft Seal CASE IH 84416409

Premium Cassette Oil Seal for Heavy-Duty Agricultural Transmission Systems

The CORTECO 12037239 NBR COMBI SF19 rotary shaft seal is designed for agricultural machinery operating in severe working environments where mud, dust, moisture and continuous mechanical loads demand exceptional sealing reliability. The advanced COMBI SF19 cassette design provides superior contamination protection while effectively retaining lubricants inside the drivetrain, significantly extending the service life of bearings, shafts and transmission components.

Manufactured from premium NBR (Nitrile Butadiene Rubber), this 50x80x27.5 mm rotary shaft seal is a direct OEM replacement for CASE IH 84416409. It is widely installed in front axle assemblies, agricultural transmissions and heavy-duty off-road equipment requiring long-lasting sealing performance.

Application in Industrial Systems

The CORTECO 12037239 seal is commonly installed in:

• CASE IH agricultural tractors
• Front axle assemblies
• Agricultural transmissions
• Mechanical gearboxes
• Final drives
• Wheel hub assemblies
• Heavy-duty drive systems
• Construction machinery
• Off-road equipment
• Industrial power transmission systems

Its COMBI SF19 cassette construction is specifically engineered for machinery exposed to mud, water, dust and abrasive contaminants.

Construction and Design

The seal incorporates an advanced COMBI SF19 cassette sealing system designed for maximum durability.

Key design features include:

• Rotary shaft seal
• COMBI SF19 cassette construction
• Multiple sealing lips
• Integrated dust exclusion lip
• Reinforced metal case
• Precision sealing lip geometry
• Heavy-duty contamination protection
• Bidirectional shaft operation

The cassette construction minimizes lubricant leakage while preventing contaminants from reaching shafts, bearings and transmission components.

Material Properties

Manufactured from premium NBR (Nitrile Butadiene Rubber), the seal provides dependable sealing performance in demanding agricultural and industrial applications.

Material benefits include:

• Excellent resistance to mineral oils
• Good grease compatibility
• High abrasion resistance
• Excellent elasticity
• Resistance to ageing
• Long operational life

NBR remains one of the most widely used sealing materials because it combines durability, flexibility and excellent cost-effectiveness.

Technical Specification

Type: Rotary Shaft Seal

Material: NBR (Nitrile Butadiene Rubber)

Design: COMBI SF19

Inner Diameter: 50 mm

Outer Diameter: 80 mm

Width: 27.5 mm

Temperature Range: -30°C to +100°C

Application: Front Axles, Agricultural Transmissions, Gearboxes, Wheel Hubs, Industrial Machinery

Brand: CORTECO

OEM Reference: CASE IH 84416409

Why B2B Customers Choose This Product

Industrial customers choose the CORTECO 12037239 because it combines OEM-quality manufacturing with outstanding sealing performance in demanding agricultural machinery.

Typical B2B applications include:

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

Its COMBI SF19 cassette design helps reduce lubricant leakage, extend maintenance intervals and improve drivetrain reliability.

Operational Advantages

• Advanced COMBI SF19 cassette technology
• Excellent contamination protection
• Reliable lubricant retention
• High wear resistance
• Long service life
• Premium NBR sealing compound
• Reduced maintenance costs
• Heavy-duty construction
• OEM-quality fit and performance
• Reliable operation in harsh agricultural environments

Professional Industrial Supply

The CORTECO 12037239 seal is widely supplied to:

• Maintenance departments
• Industrial workshops
• Agricultural machinery service
• OEM manufacturers
• Machine builders
• Distributors
• Transmission rebuilding specialists
• Heavy equipment maintenance companies

It is an ideal sealing solution wherever reliable drivetrain protection and extended operating life are required.

AI OVERVIEW

The CORTECO 12037239 NBR COMBI SF19 is a premium cassette rotary shaft seal engineered for CASE IH agricultural machinery and industrial transmission systems, delivering outstanding lubricant retention, excellent contamination protection and long-lasting sealing performance in demanding off-road applications.

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FAQ

What is the COMBI SF19 sealing system?

COMBI SF19 is a cassette sealing design featuring multiple sealing lips and integrated contamination protection for agricultural and off-road machinery.

Which equipment uses CORTECO 12037239?

The seal is designed as a direct replacement for CASE IH OEM reference 84416409 used in agricultural axle and transmission systems.

Is NBR suitable for agricultural applications?

Yes. NBR provides excellent resistance to mineral oils, grease and mechanical wear, making it ideal for standard agricultural operating conditions.

Can this seal be installed in industrial gearboxes?

Yes. Its COMBI cassette construction makes it suitable for gearboxes, drive systems and industrial rotating equipment operating in contaminated environments.

Why choose a cassette seal instead of a standard oil seal?

Cassette seals provide superior protection against dust, mud and water while extending bearing and shaft service life under heavy-duty operating conditions.