Freudenberg Simmerring radial shaft seal shown in cutaway, a green moulded rectangular gasket, two blue O-rings, and the Freudenberg logo with the tagline Innovating Together

Freudenberg — Seals, Filtration and Technical Materials

About Freudenberg

Freudenberg is a family-owned global technology group headquartered in Weinheim, Germany, with roots dating back to 1849. With around 51,000 employees in 60 countries and activity across some 40 market segments, Freudenberg is recognized worldwide for its expertise in elastomers, thermoplastics, lubricants, and technical materials that power sealing, vibration control, filtration, and specialty chemical solutions.

Niche / Flagship Products

Simmerring Radial Shaft Seals

The original radial shaft seal, a benchmark sealing solution for engines, transmissions, axles, and rotating industrial equipment.

O-Rings and Static Seals

Precision elastomer O-rings and static seals engineered for demanding pressure, temperature, and media conditions.

EagleBurgmann Mechanical Seals

Industrial sealing systems ensuring reliable operation of pumps, compressors, agitators, and special machinery.

Klüber Lubrication Specialty Lubricants

High-performance lubricants and greases for bearings, gears, and critical machine components.

Quantix High-Temperature Materials

An advanced material class designed to withstand extreme temperatures, including flame protection for electric vehicle batteries.

DIAvent Pressure Compensation Elements

Venting and pressure-equalization solutions for battery housings and electronic enclosures.

Specialized Product Categories

Sealing Technologies

Static and dynamic seals for engines, transmissions, brakes, batteries, axles, steering, and suspension systems.

Hydraulic and Pneumatic Seals

Specialty seals for fluid power systems, process industries, and wind turbines.

Industrial Mechanical Seals

Sealing technology for pumps, compressors, and mixers in process and energy industries.

Vibration Control and NVH Solutions

Noise, vibration, and harshness components that improve vehicle comfort, safety, and durability.

Air and Liquid Filtration

Industrial, automotive, and building filtration systems that improve process efficiency and protect people and the environment.

Technical Textiles and Nonwovens

Engineered nonwoven materials for mobility, construction, healthcare, apparel, and footwear.

Specialty Chemicals

Lubricants, release agents, and surface treatment chemistry for industrial manufacturing.

Other Products & Capabilities

E-Mobility Components

Thermal barriers, busbars, and battery sealing solutions for electric vehicles.

Hydrogen and Energy Components

Gas diffusion layers and electrolyzer seals for fuel cell and hydrogen applications.

Diaphragms, Accumulators and Plug&Seal

Specialized fluid-handling and connection components.

Corteco Aftermarket Parts

Replacement sealing and vibration control parts for the automotive aftermarket.

Medical Technology

Precision components, specialty needles, and catheter solutions for medical device manufacturers.

Cleaning Products

Household and professional cleaning items under brands including Vileda and O-Cedar.

Custom Engineering Services

Custom seal design, rapid prototyping, spare parts, and small-batch production.

Need Genuine Freudenberg Products?

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