CORTECO 12010248 NBR DDBADSL 35x47x7/9 mm - Rotary Shaft Oil Seal

Characteristics of CORTECO 12010248

CORTECO 12010248 is a radial shaft sealing ring designed to limit lubricant leakage where a rotating shaft passes through a stationary housing.

The DDBADSL construction incorporates an additional dust lip intended to reduce the entry of external contaminants into the primary sealing area.

An important distinguishing feature is its dimensional designation of 35x47x7/9 mm. Unlike a conventional oil seal specified with a single axial width, this product requires both dimensions to be considered when evaluating installation space and replacement compatibility.

Key product characteristics:

• Manufacturer: CORTECO.

• Manufacturer part number: 12010248.

• Seal profile: DDBADSL.

• Sealing material: NBR.

• Nominal shaft diameter: 35 mm.

• Nominal housing bore diameter: 47 mm.

• Axial dimensions: 7 and 9 mm.

• Additional dust protection lip.

• Product type: Radial shaft oil seal.

• Sealing principle: Dynamic radial lip sealing.

• Associated CAGIVA references: 151216501 and 34833.

The complete manufacturer designation should be retained when ordering a replacement. Matching nominal dimensions alone does not establish full interchangeability.

Technical Specifications

The maximum operating temperature, permissible shaft speed, pressure capability, elastomer hardness and product mass have not been confirmed for this exact part number.

These values should be checked against the relevant CORTECO technical documentation when required for engineering selection.

What Does CORTECO 12010248 NBR DDBADSL Mean?

CORTECO - Manufacturer

CORTECO is a brand within the Freudenberg Group, which operates in sealing technology and other industrial engineering fields.

CORTECO products are used in vehicle servicing and technical applications requiring the sealing of mechanical assemblies.

12010248 - Manufacturer Part Number

12010248 identifies this specific CORTECO product.

The complete part number is important because seals with identical shaft and housing diameters may differ in construction, material, axial geometry or sealing lip arrangement.

For accurate replacement identification, the manufacturer part number should be checked together with the DDBADSL profile and full dimensions.

NBR - Nitrile Butadiene Rubber

NBR is a synthetic elastomer widely used in rotary shaft oil seals.

Its relevant properties include:

• Compatibility with many mineral-based lubricating oils.

• Resistance to numerous industrial greases.

• Elasticity suitable for dynamic contact sealing.

• Wear resistance under appropriate lubrication conditions.

• Suitability for many conventional mechanical sealing applications.

NBR is not universally resistant to all synthetic oils, solvents, fuels or aggressive chemicals.

Material compatibility must be verified against the actual lubricant and operating conditions.

DDBADSL - Seal Profile

DDBADSL is the complete construction designation associated with CORTECO 12010248.

For this product, the confirmed construction feature is the presence of an additional dust protection lip.

The DDBADSL designation should not be interpreted letter by letter using naming conventions from other manufacturers.

Without the relevant CORTECO technical drawing or profile specification, it is not appropriate to assign unverified features such as a particular casing arrangement, spring configuration or hydrodynamic rotation direction to individual parts of the designation.

DDBADSL should not automatically be considered equivalent to BA, BASL, B1SL or TC profiles.

35x47x7/9 mm - Dimensional Designation

The dimensional designation identifies:

• 35 mm - nominal shaft diameter.

• 47 mm - nominal housing bore diameter.

• 7 mm - first axial dimension.

• 9 mm - second axial dimension.

The 7/9 mm specification is an important identification feature.

It must not be shortened to 7 mm or interpreted as a dimensional tolerance range.

The exact relationship between the two axial dimensions and the seal's cross-sectional geometry should be confirmed using the manufacturer's drawing.

Construction and Operating Principle

Primary Sealing Lip

The primary sealing lip operates in contact with the rotating shaft surface.

Its purpose is to limit the escape of compatible lubricating oil or grease from the sealed mechanical assembly.

During shaft rotation, the lip creates a dynamic sealing interface.

Effective operation depends on suitable lubrication, correct shaft surface condition, proper alignment and installation quality.

Additional Dust Protection Lip

CORTECO 12010248 incorporates an additional protective lip designed to help reduce the entry of dust and small contaminants into the main sealing area.

This feature can be beneficial in mechanical assemblies where the shaft is exposed to environmental contamination.

However, the additional lip does not automatically make the seal suitable for continuous water immersion, high-pressure washing or heavily abrasive conditions.

Importance of the 7/9 mm Axial Dimensions

The two axial dimensions may affect the position of the sealing elements and the space required for installation.

For this reason, a replacement seal should be selected using the complete dimensional specification and profile geometry.

A standard 35x47x7 mm seal cannot automatically be considered interchangeable with CORTECO 12010248.

Shaft Surface and Sealing Performance

The effectiveness of the seal depends on several installation and operating factors:

• Shaft surface roughness.

• Shaft and housing concentricity.

• Radial shaft runout.

• Shaft surface wear or corrosion.

• Lubricant compatibility.

• Operating temperature.

• Shaft surface speed.

• Environmental contamination.

A new oil seal may not eliminate leakage if the shaft surface is damaged or excessively worn.

CORTECO 12010248 DDBADSL vs Other 35x47 mm Oil Seals

Radial shaft seals with similar dimensions may have different construction features.

CORTECO 12010248 DDBADSL is not automatically interchangeable with another 35x47x7 mm or 35x47x7/9 mm oil seal.

The complete cross-sectional geometry, material, lip arrangement and installation requirements must be considered.

OEM References and Cross-References

The following CAGIVA references have been provided for CORTECO 12010248:

These references can assist with replacement part identification.

They do not independently confirm compatibility with every CAGIVA motorcycle model.

Before ordering, verify the original part number against the parts catalogue for the specific motorcycle model, production year and mechanical assembly.

Applications of CORTECO 12010248

CORTECO 12010248 is associated with CAGIVA catalogue references and may therefore be considered when identifying replacement seals for the corresponding mechanical assemblies.

Its radial shaft seal construction is intended for sealing a rotating shaft relative to a stationary housing.

Typical application categories for this type of oil seal include:

• Rotating shafts in drive assemblies.

• Mechanical power transmission systems.

• Selected gearbox housings.

• Oil-lubricated mechanical assemblies.

• Shaft locations requiring lubricant retention.

• Mechanical components requiring additional dust protection.

These are general applications of this seal construction, not confirmed fitments for the specific CORTECO 12010248 in every listed assembly.

The actual application must be established using the equipment manufacturer's documentation.

Selection and Interchangeability

Before purchasing CORTECO 12010248 NBR DDBADSL, verify the following:

1. Manufacturer part number: 12010248.

2. Seal profile: DDBADSL.

3. Sealing material: NBR.

4. Nominal shaft diameter: 35 mm.

5. Nominal housing bore diameter: 47 mm.

6. Both axial dimensions: 7 and 9 mm.

7. Presence of the additional dust lip.

8. Cross-sectional geometry of the original seal.

9. Lubricant type and material compatibility.

10. Operating temperature, shaft speed and any pressure requirements.

11. Shaft and housing surface condition.

12. Original equipment reference, particularly when selecting a replacement for a CAGIVA motorcycle.

The complete seal profile is particularly important because the dimensional designation 35x47x7/9 mm does not describe every construction detail.

Matching dimensions alone are insufficient to establish full interchangeability.

Installation and Operating Recommendations

Correct installation is essential for reliable sealing performance.

Before installation, clean the shaft and housing bore thoroughly.

Inspect the shaft for:

• Scratches and sharp edges.

• Corrosion.

• Wear grooves left by the previous seal.

• Surface irregularities.

• Excessive radial runout.

• Misalignment.

During installation:

• Use a suitable seal installation tool.

• Apply installation force evenly to the appropriate seal body surface.

• Avoid direct impact on the sealing lips.

• Protect the lips when passing over threads, keyways or sharp edges.

• Maintain correct alignment with the housing bore.

• Install the seal to the specified depth.

• Provide appropriate lubrication of the primary sealing lip.

• Follow the installation orientation specified for the mechanical assembly.

For conventional oil-retaining applications, the primary sealing lip normally faces the lubricant being retained, while the dust lip faces the external environment.

A right-hand or left-hand directional sealing feature should not be assumed from the DDBADSL designation without confirmation in CORTECO documentation.

Storage

Store unused NBR oil seals in a clean, dry environment away from direct sunlight, excessive heat, ozone and chemicals that may affect elastomer properties.

Avoid deformation of the sealing lips during storage.

Alternative Designations and Search References

The product may also be identified using the following descriptions:

• CORTECO 12010248

• 12010248 CORTECO

• CORTECO 12010248 NBR DDBADSL

• CORTECO DDBADSL 35x47x7/9

• CORTECO 35x47x7/9 NBR

• CORTECO 12010248 rotary shaft oil seal

• CORTECO 12010248 Simmerring

• CORTECO 35x47x7/9 radial shaft seal

• 35x47x7/9 NBR oil seal with dust lip

Associated CAGIVA references: 151216501 and 34833.

These alternative descriptions are intended for identification and do not constitute additional verified OEM numbers.

FAQ - CORTECO 12010248

1. What are the dimensions of CORTECO 12010248?

The seal has a nominal shaft diameter of 35 mm, housing bore diameter of 47 mm and two axial dimensions of 7 and 9 mm. Its complete dimensional designation is 35x47x7/9 mm.

2. What does DDBADSL mean on CORTECO 12010248?

DDBADSL is the manufacturer's seal profile designation. For this product, an additional dust protection lip is specified. The precise meaning of every element of the designation requires the relevant CORTECO technical documentation.

3. Is CORTECO 12010248 made from NBR?

Yes. The sealing material is NBR, or nitrile butadiene rubber, commonly used in oil sealing applications involving compatible lubricants.

4. Does CORTECO 12010248 have an additional dust lip?

Yes. The additional dust lip helps reduce the entry of external contaminants into the primary sealing area.

5. What does 7/9 mm mean in the dimensions?

It identifies two different axial dimensions of the seal. It is not a tolerance range or an indication that either a 7 mm or 9 mm seal can be used interchangeably.

6. Is CORTECO 12010248 compatible with CAGIVA motorcycles?

The product is associated with CAGIVA references 151216501 and 34833. Compatibility with a specific motorcycle must be verified using the relevant model's original parts catalogue.

7. Can a BASL oil seal replace CORTECO 12010248 DDBADSL?

Not without technical verification. The profiles may differ in cross-sectional geometry, axial dimensions and sealing lip arrangement.

8. Is CORTECO 12010248 a directional oil seal?

The DDBADSL designation alone does not reliably establish a right-hand or left-hand directional sealing design. Any directional feature should be confirmed using CORTECO technical documentation.

CORTECO 12010248 - Key Technical Information

CORTECO 12010248 NBR DDBADSL is a radial shaft oil seal with dimensions of 35x47x7/9 mm, manufactured under the CORTECO brand. Made from nitrile butadiene rubber, it incorporates an additional dust protection lip. The product is associated with CAGIVA references 151216501 and 34833. Both axial dimensions and the complete DDBADSL profile must be considered when selecting a compatible replacement.

CORTECO 12010248 is available from simmering.pl, a specialist supplier of industrial oil seals, rotary shaft seals and rolling bearings.

With warehouse operations in Lublin, Poland, simmering.pl supplies engineering businesses, maintenance departments and international B2B customers, with worldwide shipping options.