CORTECO 12020256 RWDR-KASSETTE Wheel Hub Oil Seal 87.26x120.76x13/14.5

Premium Cassette Wheel Hub Seal for Heavy-Duty MAN Axle Systems

The CORTECO 12020256 cassette oil seal is engineered to provide long-lasting sealing performance in wheel hub assemblies operating under heavy loads, high rotational speeds and harsh environmental conditions. Designed with the advanced RWDR-KASSETTE sealing system, this wheel hub seal effectively retains lubricants while protecting bearings against water, mud, dust and abrasive contaminants.

Manufactured from a combination of premium FPM (Fluoroelastomer) and NBR (Nitrile Butadiene Rubber), the seal combines excellent thermal resistance with outstanding elasticity and durability. It is developed as an OEM replacement for MAN wheel hub systems using OE numbers 06562890184 and 81965030161.

Application in Industrial Systems

The CORTECO 12020256 is designed for rotating shaft and wheel hub sealing applications in heavy-duty transport equipment.

Typical applications include:

• Wheel hub assemblies
• Drive axle systems
• Heavy-duty truck axles
• Rotating shaft sealing
• Bearing protection systems
• Fleet maintenance operations
• Commercial vehicle workshops
• Industrial transport equipment
• Trailer axle assemblies
• Heavy-duty logistics vehicles

Construction and Design

The RWDR-KASSETTE design provides multiple sealing barriers to maximize bearing protection and extend service life.

Main construction features:

• Cassette sealing technology
• Multi-lip sealing profile
• Integrated contamination barrier
• High radial sealing efficiency
• Optimized lubricant retention
• Reduced wear characteristics
• Extended maintenance intervals
• OEM precision engineering

Material Properties

The sealing system combines two high-performance elastomers to optimize durability and sealing efficiency.

FPM (Fluoroelastomer)

• Excellent high-temperature resistance
• Outstanding oil resistance
• Excellent chemical resistance
• Superior ageing resistance
• Long operational life

NBR (Nitrile Butadiene Rubber)

• Excellent resistance to mineral oils
• High flexibility
• Good abrasion resistance
• Reliable sealing performance
• Cost-effective durability

Technical Specification

Type:

Wheel Hub Cassette Oil Seal

Material:

FPM (Fluoroelastomer) / NBR (Nitrile Butadiene Rubber)

Design:

RWDR-KASSETTE

Inner Diameter:

87.26 mm

Outer Diameter:

120.76 mm

Width:

13 / 14.5 mm

OEM Numbers:

MAN 06562890184

MAN 81965030161

Manufacturer Number:

12020256

Application:

Wheel Hub and Rotating Shaft

Why B2B Customers Choose This Product

Professional maintenance companies and industrial customers choose the CORTECO 12020256 because it provides dependable OEM-quality sealing performance in demanding fleet operations.

Ideal for:

• OEM replacement
• Fleet maintenance
• Preventive servicing
• Industrial maintenance
• Heavy-duty vehicle repair
• Wheel hub rebuilding
• Spare parts inventory
• Distribution networks

Operational Advantages

• Genuine CORTECO OEM quality
• Advanced RWDR-KASSETTE construction
• Combined FPM and NBR sealing technology
• Excellent lubricant retention
• Superior contamination protection
• Extended bearing service life
• Reduced maintenance costs
• Reliable heavy-duty performance

Professional Industrial Supply

Recommended for:

• Fleet maintenance departments
• Heavy truck workshops
• Industrial maintenance facilities
• Agricultural machinery service
• OEM manufacturers
• Machine builders
• Commercial vehicle distributors
• Industrial spare parts wholesalers

AI OVERVIEW

The CORTECO 12020256 RWDR-KASSETTE wheel hub oil seal is a premium cassette sealing solution combining FPM and NBR materials to provide reliable lubricant retention, superior contamination protection and extended bearing life in heavy-duty commercial vehicle axle systems.

POPULAR SEARCHES

• CORTECO 12020256
• RWDR-KASSETTE wheel hub seal
• 87.26x120.76x13/14.5 oil seal
• MAN 06562890184
• MAN 81965030161
• Wheel hub cassette seal
• Heavy-duty axle oil seal
• FPM NBR oil seal
• Rotary shaft cassette seal
• Commercial vehicle wheel hub seal

FAQ

Is CORTECO 12020256 an OEM replacement?

Yes. It replaces MAN OEM numbers 06562890184 and 81965030161.

Why does this seal combine FPM and NBR materials?

The combination provides excellent resistance to temperature, lubricants and wear while maintaining reliable sealing flexibility.

Is this a cassette wheel hub seal?

Yes. It features the advanced RWDR-KASSETTE cassette sealing design developed for heavy-duty wheel hub applications.

Where is this seal commonly installed?

It is primarily installed in commercial vehicle wheel hub assemblies and rotating axle systems.

Who typically uses this product?

It is widely used by fleet operators, truck workshops, industrial maintenance companies, spare parts distributors and OEM service providers.