Do you know which type of shafts works best with polymer plain bearings?

Shery George | 2 September 2021

Different  types of   shafts   are used in packaging , food  and  beverage  industry  based on their  suitability for  the particular application area.

For  e.g  Stainless  steel  shafts are  widely used  as they are  corrosion resistant , where the  application works  in moist environment  or  aggressive  cleaning with  chemicals is required .  Steel  shafts are  preferred if a  cost  effective  solution is  required.  Aluminum shafts  are  of  great use If  weight is an important criteria.  Carbon fiber shafts are used when non-magnetic  and  non-metallic  material is  required.

More information about the different shafts can be found here:

There are suitable iglidur plain bearing materials ,  which achieve good wear results and a long service life  with almost  all  shaft  material.  Extensive lab tests & years  of  field experience have  formed the basis of selection of  ideal material based on its wear and  friction  properties  against  different shaft materials.

The all-rounder iglidur J is the  versatile endurance runner , highly  resistant to wear with  all shafts and  offers very low coefficient of  friction. 

The  specialist  iglidur J200 linear plain bearings were specially developed for aluminum shafts which offers  low  wear &  low  coefficient of  friction. iglidur X is a very good choice for steel and stainless steel shafts (especially at high temperatures &  chemical resistance). Iglidur E7 liner  is  the marathon runner  , offers  best coefficient of  friction with steel and  stainless  steel shafts.   iglidur A160 & A180 liners are FDA/EU-compliant and can be used for direct food contact. They fit perfectly with stainless steel shafts typically used in food  and  pharmaceutical  industry.

iglidur A160

The best combination can also be easily determined online:

In general, we recommend that the surface roughness of the shaft should not be too smooth (preferably from Ra 0.2 – 0.4µm). The ideal tolerance for the outer diameter of the shaft is h9.

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