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The use of plastic plain bearings allows eight times longer service life

Test results for St52 / gas nitrified

In an effort to continuously improve our product range and to address your specific needs, we are reviewing various shaft materials and extensively testing these with a variety of bearing solutions in our igus® dry-tech® lab.
You can find the results for our test results for St52 / gas nitrified here.
We are currently also conducting tests on the following shafts / coatings:

St52 / un-coated

C45 / un-coated

Piston rods / hard-chromed

St52 / saltbath nitrocarburised

C45 / galvanised

Test results


Wear rate [µm/km]


iglidur® Q


iglidur® G


iglidur® Z


Brass with initial lubrication


Rolled metal with gliding layer

Test results


  • all tested iglidur® materials exhibit significantly lower wear than metallic plain bearings
  • the shafts of the metallic bearings are heavily worn and thus not fit for further use

Diagram of the tested shaft materials and plain bearings

White paper: Maximising the service life of shafts and plain bearings

White paper

Sample box: 39 plastic bearings + templates for finding the right bearing

iglidur® sample box

Plain bearings online shop

Plain bearings in different shapes

Choose from more than 8,500 sizes  compatible with established plain bearing standards and further established types of bearing.

Go to the online shop

Submit an enquiry for a plain bearing text

Personal consultation meeting with igus salesperson

Our employees are happy to advise you via phone, e-mail or in a personal meeting. Simply choose your preferred means of contact.  

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iglidur plain bearings test laboratory

Plain bearing test rig

Predictable service life due to lab tests. Take a look at the igus test lab for plain bearing technology.

Test laboratory for plain bearings

The terms "igus", "Apiro", "CFRIP", "chainflex", "conprotect", "CTD", "drygear", "drylin", "dryspin", "dry-tech", "easy chain", "e-chain", "e-chain systems", "e-loop", "e-ketten", "e-kettensysteme", "e-spool", "e-skin", "flizz", "ibow", "igear", "iglidur", "igubal", "kineKIT", "manus", "motion plastics", "pikchain", "plastics for longer life", "print2mold", "readycable", "readychain", "ReBeL", "robolink", "speedigus", "tribofilament", "triflex", "xirodur" and "xiros" are legally protected trademarks of the igus® GmbH/Cologne in the Federal Republic of Germany, and, where applicable, in some foreign countries. igus® GmbH points out that it does not sell any products of the companies Allen Bradley, B&R, Baumüller, Beckhoff, Lahr, Control Techniques, Danaher Motion, ELAU, FAGOR, FANUC, Festo, Heidenhain, Jetter, Lenze, LinMot, LTi DRiVES, Mitsubishi, NUM, Parker, Bosh Rexroth, SEW, Siemens, Stöber and all other drive manufacturers mentioned on this website. The products offered by igus® are those of igus® GmbH.