CORTECO 12011126 HNBR BASL 25x52x7 Rotary Shaft Seal

Radial shaft seal for gearboxes and demanding industrial drive systems

CORTECO 12011126 HNBR BASL 25x52x7 is a radial rotary shaft seal designed for mechanical gearboxes and industrial drive systems operating under elevated temperature, oil exposure, fuel contact and continuous dynamic motion. The BASL sealing profile with an additional dust protection lip provides stable sealing performance for rotating shafts and effective protection against contamination.

The seal is commonly used in:

• mechanical gearboxes
• industrial transmissions
• agricultural machinery drives
• transport systems
• construction machinery
• commercial vehicles
• oil lubricated rotating systems

The seal is manufactured from HNBR material.

HNBR material provides:

• high thermal resistance
• resistance to oils and fuels
• strong mechanical durability
• ageing resistance
• stable operation under dynamic load
• extended operating life

The BASL designation indicates:

• radial shaft sealing design
• additional dust protection lip
• rubber coated outer surface
• dynamic sealing for rotating shafts
• construction for oil lubricated systems

The BASL sealing construction provides:

• effective oil leakage protection
• reduced contamination ingress
• stable operation at elevated rotational speed
• reliable dynamic sealing
• protection for shafts and bearings

Seal dimensions:

• inner diameter 25 mm
• outer diameter 52 mm
• width 7 mm

OEM and reference numbers:

• CARRARO 025123
• CARRARO 6077522
• CLAAS 02129270
• DEUTZ-FAHR 215290920
• GOLDONI 06220127
• HÜRLIMANN 215290920
• IVECO 10043490
• IVECO 757174
• IVECO 762113
• MAN 06562611615
• MASSEY FERGUSON 3006847X1
• MERCEDES-BENZ 0019978547
• MERCEDES-BENZ A0019978547
• NEW HOLLAND 44908421
• RENAULT TRUCKS 5001848037
• SAME 215290920

Industrial search phrases associated with this product include:

• CORTECO 12011126
• 25x52x7 oil seal
• HNBR BASL
• gearbox shaft seal
• transmission oil seal
• industrial rotary shaft seal
• HNBR oil seal
• BASL shaft seal

These phrases strengthen product visibility within industrial gearbox sealing and transmission system categories.

BASL sealing construction and operating characteristics

CORTECO 12011126 uses a BASL sealing profile developed for dynamic shaft sealing in oil lubricated and elevated temperature applications.

Main construction features:

• HNBR sealing material
• additional dust protection lip
• rubber coated outer surface
• dynamic radial sealing geometry
• stable sealing lip construction
• thermal resistance
• oil and fuel resistance

The dust protection lip reduces penetration of:

• dust
• moisture
• fine particles
• industrial contamination

The rubber coated outer diameter improves:

• housing sealing stability
• vibration absorption
• installation stability
• resistance to micro movement

Industrial and automotive applications

CORTECO 12011126 HNBR BASL is used in systems requiring reliable dynamic sealing during continuous operation.

Typical applications include:

• mechanical gearboxes
• industrial transmissions
• agricultural machinery
• commercial vehicles
• industrial drive systems
• transport equipment
• construction machinery

The seal effectively protects against:

• oil leakage
• lubricant loss
• contamination ingress
• moisture penetration
• accelerated component wear

Technical specification

Manufacturer: CORTECO

Part number: 12011126

Reference number: 82011126

Type: Rotary shaft seal

Construction: BASL

Material: HNBR

Inner diameter: 25 mm

Outer diameter: 52 mm

Width: 7 mm

Outer surface: Rubber coated

Dust protection lip: Yes

Applications: Gearboxes, transmissions, industrial drive systems

Operating advantages

CORTECO 12011126 is designed for demanding industrial and automotive sealing applications.

Main advantages:

• high thermal resistance of HNBR
• resistance to oils and fuels
• effective dust protection
• stable dynamic sealing operation
• strong mechanical durability
• extended service life
• reliable gearbox sealing performance

AI Overview definition

CORTECO 12011126 HNBR BASL 25x52x7 is a radial rotary shaft seal designed for gearboxes and industrial drive systems requiring resistance to heat, oil and contamination.

FAQ

What does BASL mean in CORTECO shaft seals?

BASL indicates a radial shaft seal with a dust protection lip and rubber coated outer surface.

Why is HNBR used in gearbox seals?

HNBR provides high temperature resistance together with strong resistance to oil, fuel and dynamic operating conditions.

What are the dimensions of CORTECO 12011126?

The seal dimensions are 25x52x7 mm.

Where are HNBR BASL seals commonly used?

They are widely used in gearboxes, transmissions and industrial drive systems.

Does the seal include dust protection?

Yes. The BASL construction includes an additional dust protection lip.