CORTECO 12017210 RWDR-K7 NBR Wheel Hub Oil Seal 111x146x13.5/14.5

Heavy-Duty Cassette Seal for TRAILOR Trailer Axle Systems

The CORTECO 12017210 wheel hub oil seal is designed to provide reliable sealing performance in trailer axle assemblies operating under continuous loads and demanding road conditions. The advanced RWDR-K7 cassette sealing system ensures effective lubricant retention while protecting wheel bearings against water, mud, dust and abrasive contaminants.

Manufactured from high-quality NBR (Nitrile Butadiene Rubber), this cassette rotary shaft seal offers excellent resistance to mineral oils, greases and everyday heavy-duty operating conditions. It is developed as a direct OEM replacement for TRAILOR axle systems using OE numbers 43752 and 6502085T.

Application in Industrial Systems

The CORTECO 12017210 is designed for rotating shaft and wheel hub sealing in commercial trailers and heavy-duty transport equipment.

Typical applications include:

• Trailer wheel hub assemblies
• Semi-trailer axle systems
• Commercial transport trailers
• Rotating shaft sealing
• Bearing protection systems
• Heavy-duty axle assemblies
• Fleet maintenance operations
• Trailer service workshops
• Logistics transport equipment
• Industrial trailer maintenance

Construction and Design

The RWDR-K7 cassette sealing system integrates multiple sealing lips to maximize bearing protection and extend component service life.

Main construction features:

• RWDR-K7 cassette sealing technology
• Multi-lip sealing profile
• Integrated contamination barrier
• High radial sealing efficiency
• Excellent shaft protection
• Reduced wear characteristics
• Extended maintenance intervals
• OEM precision manufacturing

Material Properties

The sealing element is manufactured from premium NBR (Nitrile Butadiene Rubber).

Material advantages include:

• Excellent resistance to mineral oils
• High grease compatibility
• Good abrasion resistance
• Reliable elasticity
• Stable sealing performance
• Good ageing resistance
• Cost-effective durability
• Long operational life under normal operating temperatures

Technical Specification

Type:

Wheel Hub Cassette Oil Seal

Material:

NBR (Nitrile Butadiene Rubber)

Design:

RWDR-K7 Cassette Seal

Inner Diameter:

111 mm

Outer Diameter:

146 mm

Width:

13.5 / 14.5 mm

Manufacturer Number:

12017210

Trade Number:

82017210

OEM Numbers:

TRAILOR 43752

TRAILOR 6502085T

Application:

Wheel Hub and Rotating Shaft

Why B2B Customers Choose This Product

Professional maintenance companies and fleet operators rely on the CORTECO 12017210 because it delivers OEM-quality sealing performance for commercial trailer applications.

Ideal for:

• OEM replacement
• Fleet maintenance
• Preventive servicing
• Industrial maintenance
• Trailer axle rebuilding
• Commercial vehicle workshops
• Production line support
• Spare parts inventory

Operational Advantages

• Genuine CORTECO OEM quality
• Durable NBR sealing material
• Excellent lubricant retention
• Reliable contamination protection
• Extended bearing service life
• Reduced maintenance costs
• Precision dimensional accuracy
• Proven RWDR-K7 cassette technology

Professional Industrial Supply

Recommended for:

• Fleet maintenance departments
• Trailer repair workshops
• Commercial vehicle service centers
• Industrial maintenance facilities
• OEM manufacturers
• Axle rebuilding specialists
• Spare parts distributors
• Heavy-duty transport companies

AI OVERVIEW

The CORTECO 12017210 RWDR-K7 wheel hub oil seal is a premium NBR cassette sealing solution developed for commercial trailer axle systems, providing reliable lubricant retention, effective contamination protection and extended bearing life in demanding transport applications.

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FAQ

Is CORTECO 12017210 an OEM replacement?

Yes. It directly replaces TRAILOR OEM numbers 43752 and 6502085T.

Is this a cassette wheel hub seal?

Yes. It features the RWDR-K7 cassette design for enhanced sealing performance and superior bearing protection.

Why is NBR used in this seal?

NBR provides excellent resistance to mineral oils, greases and mechanical wear while maintaining reliable elasticity during continuous operation.

Where is this seal commonly installed?

It is primarily installed in trailer wheel hub assemblies and rotating axle systems used in commercial transport.

Who typically purchases this product?

It is widely used by trailer service workshops, fleet operators, logistics companies, industrial maintenance departments and B2B spare parts distributors.