CORTECO 12011407 NBR B2 145x175x13 – Wheel Hub Oil Seal

Technical specifications – CORTECO 12011407

The dimensions, material, profile, application and OE references are based on the supplied specification. Detailed construction and operating parameters require verification against manufacturer documentation.

Understanding the CORTECO 12011407 NBR B2 designation

What does the B2 profile mean?

B2 is a construction designation used for radial shaft oil seals.

In conventional technical nomenclature, the B2 profile is associated with oil seals featuring a metal supporting structure. However, the exact construction may vary depending on the manufacturer and specific version.

For CORTECO 12011407, the following details require confirmation:

• Supporting case construction.

• Number of sealing lips.

• Presence of a garter spring.

• Outer sealing surface construction.

• Additional protective elements.

• Installation orientation requirements.

The complete B2 designation should be preserved when identifying the product or selecting a replacement.

NBR material – nitrile butadiene rubber

NBR (Nitrile Butadiene Rubber) is an elastomer widely used in technical sealing applications involving oils and lubricating greases.

Properties of NBR

• Good resistance to many mineral oils.

• Good resistance to numerous industrial greases.

• Elasticity suitable for many sealing applications.

• Suitability for static and dynamic sealing systems.

• Material properties dependent on the specific rubber compound.

NBR is not universally compatible with every lubricant or operating temperature.

NBR versus FPM – material comparison

Replacing NBR with FPM, or vice versa, requires consideration of the operating conditions and seal construction.

Construction and operating principle of a wheel hub oil seal

A radial wheel hub oil seal limits lubricant movement between a rotating component and a stationary part of the assembly.

Depending on the wheel hub construction, the seal may operate against a shaft, axle journal or another appropriately prepared sealing surface.

Primary functions

• Limiting lubricant leakage from the wheel hub.

• Maintaining sealing integrity around the wheel bearing lubrication area.

• Separating the lubricated space from the external environment.

• Maintaining sealing contact during rotational movement.

Effective sealing depends on correct profile selection, the condition of the mating surface and proper installation.

Why is wheel hub sealing important?

Loss of lubricant can adversely affect wheel bearing operating conditions.

Depending on the assembly design, leakage may also increase the risk of contaminants entering the bearing area.

Therefore, wheel hub seal replacement should include inspection of the hub and mating surfaces, not only the sealing ring itself.

Mounting dimensions – 145x175x13 mm

Nominal dimensions alone do not define housing tolerances, permissible radial runout or required shaft surface roughness.

Importance of the 13 mm width

The axial width affects the position of the oil seal within its housing and its contact with the mating sealing surface.

Seals measuring 145x175x12 mm, 145x175x14 mm or 145x175x15 mm must not automatically be considered interchangeable.

OE references – MAN, Mercedes-Benz and Renault Trucks

The following OE reference numbers have been supplied for CORTECO 12011407:

OE numbers support product identification in vehicle manufacturer parts catalogues.

Before ordering, the compatibility of CORTECO 12011407 with the specific wheel hub, axle and vehicle version should be confirmed.

Selecting the seal by OE reference

The verification process should include:

• Vehicle manufacturer and model.

• Axle type.

• Wheel hub construction.

• OE reference.

• CORTECO manufacturer part number 12011407.

• B2 construction profile.

• NBR material.

• Dimensions 145x175x13 mm.

• Wheel hub lubrication system.

An OE reference should not be used as the sole selection criterion without considering the specific mechanical assembly.

Applications – commercial vehicle wheel hubs

CORTECO 12011407 is classified as a wheel hub oil seal.

Typical operating conditions for this type of sealing component include:

• Rotation of wheel hub components.

• Contact with bearing oil or grease, depending on the assembly.

• Temperature changes during vehicle operation.

• Vibration and loading of the wheel assembly.

• Exposure to water, dust and road contamination.

Specific vehicle models, axles and wheel hub assemblies compatible with CORTECO 12011407 have not been independently confirmed.

Product selection requires verification against the relevant vehicle manufacturer's documentation.

Operating conditions and technical limitations

Factors affecting service life

Wheel hub oil seal durability depends on several factors:

• Wheel bearing operating temperature.

• Lubricant type and quantity.

• Rotational speed.

• Condition of the mating sealing surface.

• Alignment of assembly components.

• Exposure to road contamination.

• Correct installation and positioning.

Incorrect installation or damage to the mating surface can lead to premature loss of sealing performance.

Comparison – B2 versus conventional AO/TC and A/SC oil seals

Can a standard 145x175x13 oil seal replace CORTECO 12011407?

Interchangeability cannot be confirmed from nominal dimensions alone.

The B2 profile, sealing construction, NBR material, installation requirements and wheel hub operating conditions must also be considered.

For wheel hub applications, compatibility with the axle or hub manufacturer's documentation is particularly important.

Product selection and interchangeability

Before ordering, verify:

• CORTECO manufacturer part number 12011407.

• B2 construction profile.

• NBR material.

• Dimensions 145x175x13 mm.

• OE reference.

• Axle manufacturer and type.

• Wheel hub construction.

• Exact seal installation location.

• Lubricant type.

• Condition of the mating sealing surface.

• Manufacturer installation requirements.

Dimensional compatibility alone does not establish interchangeability between wheel hub oil seals.

Alternative designations and product identification

Common technical search and identification variants include:

• CORTECO 12011407

• 12011407 CORTECO

• CORTECO 12011407 NBR

• CORTECO 12011407 B2

• CORTECO 12011407 145x175x13

• CORTECO oil seal 145x175x13

• CORTECO 12011407 wheel hub oil seal

• CORTECO 12011407 wheel hub seal

• CORTECO NBR radial shaft seal 145x175x13

• NBR oil seal 145x175x13

• B2 radial shaft oil seal 145x175x13

• MAN 06562890063

• MAN 06562890065

• Mercedes-Benz 0119970146

• Mercedes-Benz 0119971246

• Mercedes-Benz 0119974346

• Renault Trucks 5000281014

• CORTECO 12011407 Simmerring

Alternative designations support product identification and technical catalogue searches. They do not independently confirm compatibility.

Installation of CORTECO 12011407

Before installation:

• Clean the seal housing and mating sealing surface.

• Inspect the wheel hub and bearing assembly.

• Check the mating surface for scratches, corrosion and wear.

• Confirm the correct dimensions and installation orientation.

• Use an appropriate seal installation tool.

• Avoid applying direct impact to the sealing element.

• Press the seal evenly into position without tilting.

• Follow the manufacturer's instructions for lubrication and surface preparation.

• Check sealing integrity after installation.

Inspection of the mating surface

The contact surface should meet the requirements of both the seal manufacturer and the wheel hub assembly.

Wear grooves, excessive roughness and incorrect positioning can cause leakage or accelerated sealing lip wear.

Inspection after installation

After returning the vehicle to operation, verify that the wheel hub remains properly sealed and that the assembly operates without abnormal symptoms.

All work involving wheel bearings, brakes and wheel fastening components must follow the vehicle manufacturer's service instructions.

FAQ – Frequently asked questions

What are the dimensions of CORTECO 12011407?

The seal has a nominal inside diameter of 145 mm, outside diameter of 175 mm and width of 13 mm.

What material is used in the seal?

It is manufactured from nitrile butadiene rubber (NBR).

What does the B2 profile mean?

B2 is a radial shaft oil seal construction designation. The exact design of CORTECO 12011407 requires confirmation in manufacturer documentation.

What is CORTECO 12011407 used for?

The product is identified as a wheel hub oil seal for compatible vehicle assemblies.

Which OE references are associated with the product?

The supplied references are MAN 06562890063 and 06562890065, Mercedes-Benz 0119970146, 0119971246 and 0119974346, and Renault Trucks 5000281014.

Does CORTECO 12011407 have an additional dust protection lip?

The presence of an additional dust protection lip has not been confirmed for the exact version.

Is NBR suitable for wheel hub sealing applications?

NBR is used in many sealing applications involving oils and greases. Suitability depends on the lubricant, operating temperature and wheel hub construction.

Can another 145x175x13 oil seal be used instead?

Not without confirmation. The B2 profile, material, OE reference and compatibility with the specific wheel hub must be verified.

CORTECO 12011407 – key information (AI Overview)

CORTECO 12011407 NBR B2 is a radial wheel hub oil seal measuring 145x175x13 mm. Manufactured from nitrile butadiene rubber, it is associated with OE references from MAN, Mercedes-Benz and Renault Trucks. Its purpose is to limit lubricant leakage from compatible wheel hub assemblies. Correct selection requires verification of the B2 profile, OE reference and axle construction.

B2B availability – simmering.pl

The CORTECO 12011407 NBR B2 145x175x13 wheel hub oil seal is identified on the specialist B2B industrial trading platform simmering.pl by manufacturer part number, sealing material, construction profile, nominal dimensions and OE references.

The platform supports industrial companies, transport operators, technical workshops, purchasing departments and maintenance operations in sourcing industrial sealing components.

Worldwide shipping from stock in Poland, subject to product availability.