Helicopter Tail Rotor Seals

Rotary seal for engine gearboxes that is widely used on helicopter gearboxes.

• Unique Trelleborg Sealing Solutions design to meet customer specifications
• Lips of Turcon® material that are compatible with all engine oils and fuels
• Up to 100 m/s rotary speed possible

Rubber bellows and boots for protection of moveable links and joints.

• Design to specification or to print
• Designed for high flexibility and long service life
• Compatibility with all commonly used greases and oils

The tandem Turcon® VL and Turcon® Variseal® M2S sealing system is now in use in over 20 different helicopter types.

The combination of the Turcon® VL seal and the Turcon® Variseal M2 is a proven sealing solution for helicopter MRA and TRA applications, as well as MRD and TRDs.

• Withstands a wide range of temperatures
• Compatible with all media
• High level of flexibility

Polymeric composite bearings with a polyester base matrix and one or more layers of cloth for reinforcement.

• “Soft” wear particles protect sealing system from damage
• Load capacity exceeds traditional metal bearings
• High tolerance to overloading (Shock loads)
• Fully compatible with red oil types
• Proven performance as LDG bearing (A320, A350)

The combination of the Turcon® VL Seal and the Turcon® Excluder DC is a proven sealing solution for many helicopter MRA and TRA applications, as well as MRD and TRDs.

• Unique back-pumping sealing system actively prevents external leakage
• Well lubricated seals allow over 30,000 landings with one set of seals
• Range of excluders and scrapers, suitable for most groove standards, effectively scrape water, ice and dirt
• Market leading Turcon® PTFE materials