Rotary Sealing in Motion: Join our virtual event
We are hosting a 2.5-hour virtual event dedicated to the science and application of rotary sealing.
Taking place on Tuesday, September 22, the virtual event will be offered at two different times, making it easy to attend for customers in all regions:
Taking place on Tuesday, September 22, the virtual event will be offered at two different times, making it easy to attend for customers in all regions:
- Register for Rotary Sealing in Motion: APAC & Europe
3 pm China Standard Time (CST)/9 am Central European Summer Time (CEST) - Register for Rotary Sealing in Motion: Europe and the Americas
4 pm Central European Summer Time (CEST)/10 am Eastern Daylight Time (EDT)
Our range of rotary seals
Our rotary seal portfolio includes radial and axial designs for shafts and rotary interfaces. It ranges from conventional oil seals to advanced PTFE rotary seals, V-Rings, cassette seals and mechanical face seals for high speeds, pressures and temperatures, and demanding media. Please note our seals can be fully customized towards your specific requirements.
Stefa® High-Performance Radial Shaft Seals
Stefa® High-Performance Radial Shaft Seals deliver in challenging rotary sealing applications for gearboxes, electric motors, pumps and precision machinery worldwide. Engineered from advanced elastomers including nitrile butadiene rubber (NBR), fluoroelastomer (FKM) and additional material options, depending on seal type and application. They operate across a wide temperature range with low friction, virtually zero leakage and extended service life, and are available globally in standard and custom sizes.
Explore our Stefa® High-Performance Radial Shaft Seals
Explore our Stefa® High-Performance Radial Shaft Seals
Stefa® Mini Radial Shaft Seals for robotic applications
The Stefa® Mini Radial Shaft Seal family delivers compact rotary sealing in cross-sections as small as 3x3 mm, purpose-built for robotics, servo motors and gearboxes. Low friction, virtually zero leakage and availability in NBR, FKM and hydrogenated nitrile rubber (HNBR) make these miniature radial shaft seals a reliable choice for demanding industrial automation applications worldwide.
Discover our Stefa® Mini Radial Shaft Seals
Discover our Stefa® Mini Radial Shaft Seals
Radial shaft seals for high-speed electric motors
Our Stefa® HiSpin® EV40 is an advanced elastomer radial shaft seal engineered for the demanding requirements of high-speed electric vehicle traction motors. Rated for shaft surface speeds up to 40 m/s and built on patented Phase-Shifted-Wave (PSW) hydrodynamic technology, it delivers reliable bi-directional sealing across varying lubrication conditions, making it a proven e-mobility sealing solution for high-volume OEM production.
See how the Stefa® HiSpin® EV40 supports high-speed EV applications
See how the Stefa® HiSpin® EV40 supports high-speed EV applications
PTFE rotary seals for high speeds and low friction
Turcon® Varilip® PDR and HiSpin® PDR RT are high-performance polytetrafluoroethylene (PTFE) shaft seals engineered for demanding applications in e-mobility, aerospace, automotive and industrial markets. Delivering low friction, stick-slip-free sealing at speeds up to 60 m/s and beyond, across temperatures from -60 °C to +200 °C/-76 °F to +392 °F, these springless, bi-directional seals outperform conventional elastomer alternatives where reliability matters most.
Explore our Turcon® Varilip® PDR rotary seals
Explore our Turcon® Varilip® PDR rotary seals
Stefa® High-Pressure Radial Shaft Seals
Stefa® High-Pressure Radial Shaft Seals deliver reliable rotary sealing performance in the most demanding hydraulic applications. Engineered for pressures up to 20 MPa/2900 psi, the HP20, HP20S, SPS-HP20, SPV and TRP seal types serve gearboxes, hydraulic motors, pumps and off-highway equipment worldwide. Available in NBR, FKM and HNBR materials, Stefa® seals extend service life and reduce total cost of ownership.
Find Stefa® High-Pressure Radial Shaft Seals for high-pressure applications
Find Stefa® High-Pressure Radial Shaft Seals for high-pressure applications
Stefa® cassette seals for heavy-duty applications
Our cassette seals are designed as integrated sealing systems that combine oil sealing, wear protection and contamination exclusion in a single unit. Their enclosed design provides reliable performance in demanding environments where extended service life, high functional reliability and reduced maintenance are critical.
Explore our Stefa® cassette seals
Explore our Stefa® cassette seals
Sealing solutions for central tire inflation system (CTIS) applications
The Turcon® SG Seal is a low-friction CTIS rotary seal for off-highway vehicles. Its engineered geometry and Turcon® material outperform standard PTFE lip seals, adjusting tire pressure to ground conditions while minimizing wear. This rotary union seal exceeds CTIS lifetime requirements across agricultural, construction and forestry equipment, extending service life and maximizing up time.
Explore the Turcon® SG Seal for demanding rotary applications
Explore the Turcon® SG Seal for demanding rotary applications
Mechanical face seals for heavy-duty environments
Mechanical face seals provide reliable sealing in harsh operating environments where contamination, wear and heavy loads prevail. Their robust metal-to-metal sealing design supports maximum equipment protection and uptime in demanding applications in the agriculture, construction & mining, and industrial sectors.
Learn about mechanical face seals for heavy-duty equipment
Learn about mechanical face seals for heavy-duty equipment
PTFE & PU seals for rotary and oscillating applications
Our Turcon® and Zurcon® Roto Seals are engineered for low-friction in rotary and oscillating applications. Designed for shafts, bores and rotary unions, they combine reliable dynamic sealing with excellent wear resistance to help improve efficiency, reduce energy losses and extend service life in demanding industrial systems.
Get more information about the Turcon® Roto Glyd Ring® rotary seal
Get more information about the Turcon® Roto Glyd Ring® rotary seal
Forsheda® V-Rings for contamination protection
Forsheda® V-Rings are flexible all-rubber seals that rotate with the shaft and seal axially against a stationary counterface. Their unique design provides effective protection against dirt, dust and water ingress while retaining grease, making them ideal as both primary and secondary seals in demanding rotary applications.
Explore our Forsheda® V-Ring axial shaft seal
Explore our Forsheda® V-Ring axial shaft seal
GAMMA seals for moisture and contamination exclusion
Our GAMMA seals are designed to provide reliable protection against contamination, moisture and grease loss in rotary applications. Combining an elastomer sealing lip with a robust metal carrier, they offer an effective and compact sealing solution for both static and dynamic operating conditions.
Discover our GAMMA seals for shaft and bearing protection
Discover our GAMMA seals for shaft and bearing protection
Material selection for rotary seals
| Material | Temperature Range | Media |
|---|---|---|
| Nitrilebutadiene rubber (NBR) | -30to +100 °C/-22 °F to 212 °F | Mineral oil, water, hydraulic fluids |
| Hydrogenated nitrile rubber (HNBR) | -30°C to +150 °C/-22 °F to 302 °F | Oil, synthetic lubricants |
| Fluorocarbon (FKM) | -25°C to +200 °C/-13 °F to 392 °F | Fuels, oils, chemicals, aggressive fluids |
| Perfluoroelastomer (FFKM) | -20°C to +260 °C/-4 °F to 500 °F | Almost all chemicals, aggressive media, acids, solvents, high‑purity applications |
| Polytetrafluoroethylene (PTFE) | -100°C to +250 °C/-148 °F to +482 °F | Almost all chemicals, aggressive process media |
| Polyacrylate (ACM) | -20°C to +150 °C/-4 °F to +302 °F | Oil, automatic transmission fluid |
| Ethylene propylene diene monomer (EPDM) | -40°C to +150 °C/-40 °F to +302 °F | Hot water, steam, polar solvents, water-glycol |
Applications of rotary seals
Explore our rotary sealing solutions
Discover our full range of rotary sealing solutions and supporting tools:
- Browse our rotary seals e-Catalog (metric)
- Use our CAD Service
- Enhance your technical knowledge with our dedicated rotary seals e-learning portfolio
- Find the right rotary seal for your application with our Rotary Seal Selector