CORTECO 01002858 NBR B1SL 52x72x12 Rotary Shaft Seal

Design and Construction

The CORTECO 01002858 52x72x12 is a high quality rotary shaft seal designed for reliable sealing in demanding automotive and industrial applications. Made from NBR rubber, it provides excellent resistance to oils, greases, and standard operating temperatures.

The B1SL design features a single sealing lip with a garter spring for constant radial pressure, along with an additional dust lip. This combination ensures effective oil retention while protecting the system from external contaminants. The robust outer construction guarantees secure and stable installation in the housing.

Technical Specifications

Inner diameter: 52 mm
Outer diameter: 72 mm
Width: 12 mm
Type: rotary shaft seal
Design: B1SL single lip with spring plus dust lip
Material: NBR rubber
Outer surface: reinforced construction
Manufacturer: CORTECO

Long tail keywords:
rotary shaft seal 52x72x12 NBR
CORTECO 01002858 oil seal
B1SL radial shaft seal 52 mm

Industrial and Automotive Applications

This radial shaft seal is widely used in gearboxes, axles, transmissions, and engines where reliable oil sealing and protection against contamination are required.

It is especially suitable for automotive applications, including Mercedes vehicles, as well as industrial machinery operating under standard conditions.

OEM Cross References

This seal corresponds to the following OEM numbers:

MERCEDES BENZ 0009976647
ELRING 091901

Operational Advantages

The CORTECO 01002858 seal ensures long service life and efficient sealing performance.

Key advantages:

• additional dust lip for improved protection
• NBR material resistant to oils and grease
• spring loaded sealing lip for constant pressure
• effective protection against leakage and contamination
• high manufacturing quality

Main Description

CORTECO 01002858 NBR B1SL 52x72x12 is a rotary shaft seal with a single lip, spring, and additional dust lip, designed for applications requiring reliable oil sealing and enhanced protection against contaminants.

As part of the radial shaft seal category, this model provides stable operation, durability, and compatibility with a wide range of automotive and industrial systems.

Technical snippet section:
CORTECO 01002858 52x72x12 radial shaft seal is an NBR B1SL design with a spring loaded sealing lip and dust lip, ensuring high sealing efficiency and long service life.

FAQ

Is this seal suitable for oil applications?
Yes, it is designed for oil and grease sealing.

What does B1SL mean?
It indicates a single sealing lip with spring plus an additional dust lip.

Is it compatible with Mercedes vehicles?
Yes, it matches OEM number 0009976647.

Can it protect against dust?
Yes, the additional lip provides dust protection.

What operating conditions is it designed for?
Standard industrial and automotive environments.