CORTECO 12016931 RWDR-K7 NBR Wheel Hub Oil Seal 108x152.6/185x19

Premium Cassette Wheel Hub Seal for FRUEHAUF and SMB Trailer Axles

The CORTECO 12016931 wheel hub oil seal is engineered for professional trailer axle applications where reliable sealing and long service life are essential. Its advanced RWDR-K7 cassette sealing design provides excellent lubricant retention while protecting wheel bearings against water, mud, dust and abrasive road contaminants.

Manufactured from high-quality NBR (Nitrile Butadiene Rubber), this rotary shaft seal delivers excellent resistance to mineral oils, greases and mechanical wear. Designed as a direct OEM replacement for FRUEHAUF and SMB axle systems, it meets the demanding requirements of commercial transport, logistics fleets and professional maintenance workshops.

Application in Industrial Systems

The CORTECO 12016931 is developed for heavy-duty wheel hub and rotating shaft sealing applications.

Typical applications include:

• Trailer wheel hub assemblies
• Semi-trailer axle systems
• FRUEHAUF trailer axles
• SMB axle assemblies
• Rotating shaft sealing
• Bearing protection systems
• Commercial transport equipment
• Logistics fleet maintenance
• Trailer repair workshops
• Industrial axle rebuilding

Construction and Design

The RWDR-K7 cassette sealing system incorporates multiple sealing barriers to maximize bearing protection and reduce lubricant loss.

Main construction features:

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

Material Properties

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

Material advantages:

• Excellent resistance to mineral oils
• High grease compatibility
• Good abrasion resistance
• Reliable elasticity
• Stable sealing performance
• Good ageing resistance
• Cost-effective durability
• Long operational service life under demanding transport conditions

Technical Specification

Type:

Wheel Hub Cassette Oil Seal

Material:

NBR (Nitrile Butadiene Rubber)

Design:

RWDR-K7 Cassette Seal

Inner Diameter:

108 mm

Outer Diameter 1:

152.6 mm

Outer Diameter 2:

186 mm

Width:

19 mm

Fitting Position:

Rear Axle

Manufacturer Number:

12016931

Trade Number:

82016931

OEM Numbers:

FRUEHAUF M003125

SMB M003125

Application:

Wheel Hub and Rotating Shaft

Why B2B Customers Choose This Product

Professional customers select the CORTECO 12016931 because it delivers dependable OEM-quality sealing performance for commercial trailer axle systems.

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

AI OVERVIEW

The CORTECO 12016931 RWDR-K7 wheel hub oil seal is a premium NBR cassette sealing component designed for commercial trailer axle systems. It provides reliable lubricant retention, effective protection against contamination and extended bearing life in demanding transport and logistics applications.

POPULAR SEARCHES

• CORTECO 12016931
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• FRUEHAUF M003125
• SMB M003125
• Trailer wheel hub seal
• NBR cassette seal
• Rotary shaft oil seal
• Heavy-duty trailer axle seal

FAQ

Is CORTECO 12016931 an OEM replacement?

Yes. It is a direct replacement for OEM number M003125 used by FRUEHAUF and SMB axle systems.

Is this a cassette wheel hub seal?

Yes. The RWDR-K7 cassette construction provides superior sealing performance and excellent protection against dirt, moisture and road contaminants.

Why is NBR used in this seal?

NBR offers excellent resistance to mineral oils, lubricating greases and mechanical wear while maintaining flexibility during continuous operation.

Where is this seal commonly installed?

It is installed in rear axle wheel hub assemblies of commercial trailers equipped with FRUEHAUF or SMB axle systems.

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.