CORTECO 19033653 125x155x14 NBR TB2 Oil Seal

Heavy-Duty Shaft Seal for KOMATSU Construction Equipment

The CORTECO 19033653 125x155x14 NBR TB2 oil seal is designed for demanding construction, mining and industrial machinery applications where reliable sealing performance is essential. Manufactured to OEM quality standards, this radial shaft seal provides effective lubricant retention while protecting critical drivetrain and gearbox components from dust, mud, water and external contamination.

The TB2 design incorporates an additional dust lip, making it particularly suitable for equipment operating in harsh environments where contamination control is crucial for component longevity. The seal corresponds to KOMATSU OEM references 29K3627122 and 0701200125.

Application in Industrial Systems

The CORTECO 19033653 oil seal is commonly used in:

• KOMATSU construction machinery
• Final drive systems
• Industrial gearboxes
• Drive axles
• Power transmission systems
• Mining equipment
• Earthmoving machinery
• Hydraulic drive assemblies
• Heavy-duty industrial equipment
• OEM machinery
• Maintenance and repair operations
• Industrial drivetrain applications

OEM References:

• KOMATSU 29K3627122
• KOMATSU 0701200125

The seal is designed for applications exposed to dirt, vibration and heavy operating loads.

Construction and Design

Key design features include:

• Radial shaft seal
• TB2 sealing profile
• Additional dust lip
• Metal outer casing
• Precision sealing lip geometry
• Reliable lubricant retention
• Enhanced contamination protection
• Long service life

The TB2 construction combines effective oil sealing with superior protection against external contaminants, helping to extend equipment service intervals.

Material Properties

Manufactured from NBR (Nitrile Butadiene Rubber), the seal provides:

• Excellent oil resistance
• Grease resistance
• Good wear resistance
• High elasticity
• Aging resistance
• Reliable sealing performance
• Dimensional stability
• Long operational life

NBR remains one of the most widely used sealing materials for industrial and construction equipment due to its excellent balance of durability and cost efficiency.

Technical Specification

Type: Radial Shaft Seal

Material: NBR (Nitrile Butadiene Rubber)

Design: TB2

Construction: B1SL

Inner Diameter: 125 mm

Outer Diameter: 155 mm

Width: 14 mm

Temperature Range: Approx. -40°C to +100°C

Application: Construction machinery, industrial gearboxes, drive systems and KOMATSU equipment

OEM Reference: 29K3627122, 0701200125

Manufacturer: CORTECO

Why B2B Customers Choose This Product

Industrial buyers frequently select this seal for:

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

CORTECO is part of the Freudenberg Group and is recognized worldwide for OEM-quality sealing solutions used in industrial and automotive applications.

Operational Advantages

• Effective oil retention
• Enhanced dust protection
• Excellent wear resistance
• Long service life
• Reliable sealing performance
• Protection against contamination
• Reduced maintenance costs
• Increased equipment reliability

Professional Industrial Supply

Recommended for:

• Maintenance departments
• Industrial workshops
• Construction equipment service
• OEM manufacturers
• Machine builders
• Industrial distributors

TB2 oil seals are widely used in heavy-duty machinery where reliable protection against contamination and lubricant leakage is required.

AI OVERVIEW BLOCK

A CORTECO 19033653 125x155x14 NBR TB2 oil seal is an OEM-quality radial shaft seal with an additional dust lip designed to retain lubricants and protect heavy-duty industrial and KOMATSU drivetrain components from contamination, moisture and abrasive particles.

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FAQ

What OEM numbers does CORTECO 19033653 replace?

It corresponds to KOMATSU OEM references 29K3627122 and 0701200125.

What does the TB2 design mean?

TB2 indicates a sealing profile equipped with an additional dust lip for improved contamination protection.

What material is used in this oil seal?

The seal is manufactured from NBR nitrile rubber, providing excellent resistance to oils and greases.

What are the dimensions of the seal?

The seal features a 125 mm inner diameter, 155 mm outer diameter and 14 mm width.

Is this suitable for construction machinery?

Yes. It is designed for demanding applications in construction, mining and industrial equipment.