CORTECO 12012377 NBR COMBI SF6 Oil Seal 45x65x18.5 mm

Technical Features, Applications and Compatibility

The CORTECO 12012377 NBR COMBI SF6 Oil Seal (45x65x18.5 mm) is a radial shaft seal engineered for differential systems, drive axle components and demanding rotating shaft applications. Manufactured from NBR (Nitrile Butadiene Rubber), it offers reliable sealing performance against lubricating oils, greases and common industrial fluids while helping protect the system from dust, dirt and external contaminants.

The COMBI SF6 design integrates multiple sealing lips to improve lubricant retention and contamination protection, making it suitable for heavy-duty agricultural, construction and industrial machinery.

Product Features

• Manufacturer: CORTECO
• Catalogue Number: 12012377
• Type: COMBI SF6 Rotary Shaft Seal
• Material: NBR (Nitrile Butadiene Rubber)
• Dimensions: 45x65x18.5 mm
• Shaft Diameter: 45 mm
• Outside Diameter: 65 mm
• Width: 18.5 mm
• Sealing Design: Multi-lip COMBI SF6
• Application: Differential shaft and drive axle sealing

Advantages

• Excellent resistance to mineral oils and lubricating greases
• Effective protection against dust, mud and external contaminants
• Stable sealing performance during continuous shaft rotation
• Long service life under demanding operating conditions
• Precision dimensions for reliable installation
• Suitable for agricultural, construction and industrial equipment

Typical Applications

The CORTECO 12012377 oil seal is suitable for sealing rotating shafts used in:

• Differential assemblies
• Drive axle systems
• Final drives
• Agricultural machinery
• Construction equipment
• Industrial transmissions
• Heavy-duty mechanical equipment
• Power transmission systems

OEM Compatibility

The CORTECO 12012377 oil seal corresponds to the following OEM reference numbers:

CARRARO

• 127684

DANA

• 000051726

DEUTZ-FAHR

• 04388209
• 215291120

FENDT

• X550096901000

JCB

• 90450047

NEW HOLLAND

• 5169122
• 5183845
• 9840518

RENAULT

• 6005009867

VALTRA

• 31790510

Always verify dimensions and OEM reference numbers before installation.

Why Choose the CORTECO 12012377?

• Original CORTECO sealing technology
• Durable NBR sealing material
• COMBI SF6 multi-lip construction
• Reliable sealing of rotating shafts
• Suitable for OEM replacement
• Designed for industrial maintenance and MRO applications
• Widely used in agricultural and construction machinery

FAQ

What material is the CORTECO 12012377 manufactured from?

It is manufactured from NBR (Nitrile Butadiene Rubber), a material offering excellent resistance to mineral oils, greases and many industrial fluids.

What are the dimensions of this oil seal?

The seal measures 45x65x18.5 mm.

What does COMBI SF6 mean?

COMBI SF6 is a multi-lip sealing design developed to improve lubricant retention while providing enhanced protection against external contamination.

Where is this oil seal commonly used?

It is commonly installed in differential assemblies, drive axle systems and heavy-duty rotating shaft applications.

Is this an OEM replacement part?

Yes. The seal corresponds to numerous OEM reference numbers used by CARRARO, DANA, DEUTZ-FAHR, FENDT, JCB, NEW HOLLAND, RENAULT and VALTRA.