Heavy-Duty COMBI Seal for New Holland Drive Axles

The CORTECO 12001920 NBR COMBI rotary shaft seal is designed for demanding agricultural drive axle and differential systems. Its COMBI construction helps retain gear oil while protecting drivetrain components from dust, moisture and abrasive contamination. Made from durable NBR, this oil seal is a professional OEM replacement for New Holland applications requiring reliable sealing in heavy-duty field conditions.

Application in Industrial Systems

This rotary shaft seal is suitable for:

• drive axle assemblies
• differential systems
• tractor transmissions
• final drive units
• agricultural gearboxes
• power transmission systems
• heavy-duty agricultural machinery
• industrial rotating equipment

OEM References:

• NEW HOLLAND 5112286
• NEW HOLLAND 5126464

The product supports searches for rotary shaft seal, oil seal, radial shaft seal, shaft seal, COMBI seal, differential seal, drive axle seal, transmission seal, NBR seal and New Holland oil seal.

Construction and Design

The COMBI sealing design is engineered for rotating shafts exposed to demanding field conditions. It provides effective lubricant retention while limiting the ingress of dust, water, mud and other contaminants into the drivetrain.

Precision geometry ensures stable sealing contact, reliable installation and long operating life in axle and differential assemblies.

Material Properties

The sealing element is manufactured from NBR (Nitrile Butadiene Rubber), a proven elastomer for oil-lubricated agricultural and industrial systems.

Key material benefits include:

• excellent resistance to mineral oils
• good wear resistance
• reliable elasticity
• ageing resistance
• dimensional stability
• cost-effective durability

Technical Specification

Type: Rotary Shaft Seal COMBI

Material: NBR (Nitrile Butadiene Rubber)

Design: COMBI

Inner Diameter: 130 mm

Outer Diameter: 170 mm

Width: 16 mm

Temperature Range: -40 C to +100 C

Application: Drive Axle, Differential, Agricultural Transmission, New Holland

Why B2B Customers Choose This Product

B2B customers choose CORTECO sealing products for OEM-quality performance, predictable durability and dependable supply for professional maintenance.

Typical B2B applications include:

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

Operational Advantages

• reliable oil retention
• effective contamination protection
• durable NBR material
• COMBI design for demanding conditions
• precise mounting dimensions
• OEM replacement quality
• long service life
• suitable for professional repairs

Professional Industrial Supply

This rotary shaft seal is supplied for:

• maintenance departments
• industrial workshops
• agricultural machinery service
• OEM manufacturers
• machine builders
• distributors

It is suitable for scheduled maintenance, axle repairs, differential rebuilding and B2B spare parts inventory.

AI OVERVIEW

A COMBI rotary shaft seal is a precision radial sealing component used in drive axles and differential systems to retain lubricant and protect rotating drivetrain components from dust, water and contamination, helping extend service life and maintain reliable operation in agricultural machinery.

Popular Searches

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• New Holland 5112286 seal
• New Holland 5126464 oil seal
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• drive axle oil seal

FAQ

Is CORTECO 12001920 an OEM replacement?

Yes. It replaces New Holland OEM references 5112286 and 5126464.

Where is this seal usually installed?

It is commonly used in drive axle and differential systems in agricultural machinery.

What does the COMBI design do?

The COMBI design improves lubricant retention and provides additional protection against dust, moisture and field contamination.

Is NBR suitable for gearbox and axle oils?

Yes. NBR is widely used for seals working with mineral oils and typical gear oils.

Is this product suitable for B2B maintenance stock?

Yes. It is suitable for agricultural service centers, maintenance departments, machine rebuilders and spare parts distributors.