CORTECO 12017297 NBR B1SLSF 51.9x72x8/10.5 Wheel Hub Oil Seal

Technical specifications

The CORTECO catalogue identifies the material as NBR, the sealing profile as B1SLSF and the nominal dimensions as 51.9x72x8/10.5 mm.

Replacement-parts catalogues also identify an additional dust lip and a wheel hub sealing application.

OE cross-reference numbers

These references are associated with CORTECO 12017297B in replacement-parts catalogues.

The original equipment reference must be verified against the specific vehicle and wheel hub assembly.

A catalogue cross-reference does not guarantee compatibility with every model or production version.

CORTECO 12017297 – catalogue identification

The CORTECO sealing catalogue identifies the product as:

12017297B – NBR B1SLSF – 51.9x72x8/10.5 mm

The dimensional catalogue identifies the base reference 12017297, NBR material, B1SLSF profile and a VOLVO application.

Replacement-parts catalogues additionally provide:

The complete manufacturer reference should be verified before ordering.

What does CORTECO 12017297 NBR B1SLSF 51.9x72x8/10.5 mean?

The product designation identifies the manufacturer, catalogue reference, dimensions, elastomer material and sealing profile.

• CORTECO – manufacturer brand.

• 12017297 – product catalogue reference.

• 51.9 mm – nominal inner diameter.

• 72 mm – nominal outer diameter.

• 8 mm – first catalogue axial dimension.

• 10.5 mm – second catalogue axial dimension.

• NBR – nitrile butadiene rubber.

• B1SLSF – manufacturer-specific sealing profile.

The dimensions 8/10.5 mm must not be interpreted as a width tolerance.

They represent two separate axial dimensions specified in the catalogue.

The precise relationship between these dimensions should be confirmed using the manufacturer's technical drawing.

B1SLSF sealing profile – construction and operating principle

The B1SLSF profile is a specific sealing design and should not be treated as identical to standard BA or BASL profiles.

1. Dynamic sealing function

The primary sealing section operates against the rotating mating surface of the wheel hub assembly.

Its function is to limit lubricant leakage during operation.

The exact geometry of the primary sealing lip and its contact-force mechanism should be verified against the manufacturer's sectional drawing.

2. Additional dust lip

Replacement-parts catalogues confirm the presence of an additional dust lip.

This feature helps limit the entry of external contamination into the sealing area.

It may provide additional protection against dust and fine particles encountered during vehicle operation.

However, the presence of a dust lip does not establish suitability for high-pressure washing or continuous immersion in water.

3. Outer sealing construction

The B1SLSF designation identifies a specific CORTECO profile.

Without a detailed manufacturer drawing, it is not appropriate to assume that every construction feature is identical to a standard BA or BASL seal.

In particular, the exact outer surface construction and reinforcement geometry require confirmation.

4. Dual axial dimensions – 8/10.5 mm

The two axial dimensions may reflect differences between the main seal body and projecting sealing elements.

Both dimensions must be considered when evaluating the available installation space.

The exact geometry should be checked against the original component or technical drawing.

NBR material properties

NBR is a synthetic elastomer widely used in oil sealing applications.

Appropriately selected NBR compounds provide useful resistance to many mineral oil-based lubricants and greases.

Typical characteristics include:

• Compatibility with many mineral oils.

• Resistance to numerous lubricating greases.

• Mechanical properties suitable for rotating shaft sealing.

• Potential use in bearing and wheel hub assemblies.

• Availability of compounds with different operating characteristics.

NBR is not universally resistant to all industrial chemicals or solvents.

Its resistance to ozone and certain atmospheric influences is limited.

The exact operating temperature range depends on the specific elastomer compound used by the manufacturer.

B1SLSF versus BASL – sealing profile comparison

A B1SLSF seal should not automatically be replaced with a conventional BASL seal solely because the nominal diameters are similar.

The exact profile geometry and both axial dimensions must be considered.

Applications – wheel hub sealing

CORTECO 12017297B is identified in replacement-parts catalogues as a wheel hub oil seal.

Catalogue cross-references associate the product with selected HYUNDAI and MITSUBISHI vehicles, as well as VOLVO OE reference 30870321.

Vehicle families appearing in replacement-parts listings include:

• MITSUBISHI Carisma

• MITSUBISHI Space Star

• MITSUBISHI Galant

• MITSUBISHI Eclipse

• MITSUBISHI Space Wagon

• HYUNDAI Sonata

These are catalogue-associated vehicle families, not a confirmed fitment list covering every engine, model year or axle configuration.

Compatibility must be checked using the original equipment reference and the specific wheel hub assembly.

Selection and interchangeability

Before selecting CORTECO 12017297, verify:

1. Nominal mating surface diameter – 51.9 mm.

2. Nominal housing bore diameter – 72 mm.

3. First catalogue axial dimension – 8 mm.

4. Second catalogue axial dimension – 10.5 mm.

5. Required B1SLSF sealing profile.

6. Presence of the additional dust lip.

7. Compatibility of NBR with the lubricant.

8. Condition of the mating surface.

9. Original equipment reference.

10. Construction of the specific wheel hub assembly.

Matching nominal dimensions alone does not guarantee interchangeability.

The replacement must also meet the original design requirements for sealing profile, material and installation geometry.

Alternative designations and cross-references

The comparison references appear in replacement-parts catalogues and commercial listings.

They should not be considered proof of identical construction without checking the technical documentation for each component.

Common English technical designations include:

• CORTECO 12017297 NBR B1SLSF

• CORTECO 12017297B 51.9x72x8/10.5

• CORTECO 82017297

• CORTECO 12017297 Wheel Hub Oil Seal

• CORTECO 51.9x72x8/10.5 Radial Shaft Seal

• NBR B1SLSF Wheel Hub Seal

• Wheel Hub Oil Seal 51.9x72x8/10.5

• CORTECO Radial Shaft Seal with Dust Lip

Installation and operating recommendations

Before installation, clean the housing bore and inspect the mating surface for scratches, corrosion, burrs and excessive wear.

The available installation space should be checked against both catalogue axial dimensions.

The seal should be installed evenly using a suitable mounting tool.

Avoid applying direct installation force to the sealing lips.

The correct installation orientation must be determined from the wheel hub assembly documentation.

It should not be assumed solely from the general installation principles applicable to conventional BA seals.

Before operation, ensure that the mating surfaces are prepared and lubricated according to the equipment manufacturer's instructions.

Incorrect installation, unsuitable surface conditions or inadequate lubrication may result in premature wear and lubricant leakage.

FAQ – Frequently asked questions

1. What are the dimensions of CORTECO 12017297?

The nominal dimensions are 51.9x72x8/10.5 mm.

2. Is CORTECO 12017297 a wheel hub oil seal?

Yes. Replacement-parts catalogues identify CORTECO 12017297B as a wheel hub oil seal.

3. What material is used in CORTECO 12017297?

The specified elastomer material is NBR, or nitrile butadiene rubber.

4. What does the B1SLSF sealing profile mean?

B1SLSF is a manufacturer-specific CORTECO sealing profile. Replacement-parts catalogues confirm an additional dust lip, while the complete construction geometry requires the manufacturer's technical drawing.

5. Does CORTECO 12017297 have an additional dust lip?

Yes. An additional dust lip is confirmed in the catalogue information for reference 12017297B.

6. What MITSUBISHI OE reference corresponds to CORTECO 12017297B?

The listed OE reference is MB303875.

7. What HYUNDAI and VOLVO OE references are associated with the product?

The listed references are HYUNDAI 5171436000 and VOLVO 30870321.

8. Can a conventional BASL seal replace the B1SLSF profile?

Not automatically. The exact sealing geometry, both axial dimensions and the requirements of the wheel hub assembly must be verified.

CORTECO 12017297 – key information

CORTECO 12017297 / 12017297B is an NBR wheel hub oil seal with nominal dimensions of 51.9x72x8/10.5 mm and a B1SLSF profile featuring an additional dust lip. OE references include MITSUBISHI MB303875, HYUNDAI 5171436000 and VOLVO 30870321. Correct selection requires verification of the wheel hub construction, both catalogue axial dimensions and specific vehicle compatibility.

The product is offered through the specialist B2B industrial trading platform simmering.pl, serving industrial companies, technical purchasing departments and maintenance operations, with worldwide shipping from stock in Poland.