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igubal ESQM solar pillow block bearing with new material

ESQM solar pillow block bearings now also UV-resistant

The new iglidur® material for bearings in solar plants

The new iglidur® solar materials have been developed specifically for bearing requirements in solar installations. It is remarkable for its especially good UV resistance and durability. It is cost-effective, so it is well-suited to high-volume components.  

Tech up

Tech up

  • Three times the UV stability of igumid G and iglidur® J4
  • Absorption of high static (wind) loads (up to 50kN)
  • Angular compensation with spherical bearing (up to 9°)

Cost down

Cost down

  • Longer service life due to higher material stability
  • No maintenance necessary thanks to lubrication-free properties
  • Quick, simple assembly



  • Guaranteed service life of 25 years (72 years almost wear-free, simulated in the igus® laboratory at 1.5 tonnes)
  • Static radial load: at 0° angular compensation = 50kN, at 9° angular compensation = 25kN



  • No environmental pollution from lubricants
  • Energy-efficient production because construction is entirely made of injection-moulded plastic parts
  • igus® supports the circular economy of plastics and is investing in chemical recycling. Learn more about this topic.

Bearings in dirty environments

Cost-effectively defying the elements

We have developed iglidur solar plain bearings for this purpose:

Solar installations work most efficiently when they are perfectly aligned with the sun at all times. To ensure this, solar power plants around the world are equipped with special bearings. These tracking systems permanently realign the often huge solar panels and thus "follow" the position of the sun.  
The challenge: dirt, dust and weather make it difficult to perform lubrication and maintenance. Permanent exposure to ultraviolet (UV) light also affects many lubrication-free and corrosion-free plastic bearings in the long run. Last but not least, many large solar parks are operated in remote locations, which makes regular maintenance complex and expensive.  
With iglidur® materials specially developed for use as bearings in solar systems, you extend the service life of tracking systems and save time and money for maintenance and servicing. For years.

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igubal® News 2021

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igubal® News 2021


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