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Thermoplastic sliding bearing

Technical details COM-KU® / X

  • High-value plastic-compound
  • maintenance-free
  • Suitable for use in food industry
  • Elastic and suitable for high load
  • Excellent sliding properties


  • Good tribological properties, suitable for high impact load, unsusceptible to dirt and water.


  • Compound plastic* (extruded or injected)

Material properties

  • Specific load capacity static ≤60 [N/mm2] depending on temperature and strain
  • Specific load capacity dynamic ≤30 [N/mm2] depending on temperature and strain
  • Sliding speed <1.7 [m/s]
  • Friction value ** 0.08 [µ] to 0.18 [µ] at velocity 1 m/min
  • Temperature strain -150 [°C] to +70 [°C] short-run till +90°C
  • Max. PV-value 3.5 [N/mm² x m/s] depending on environmental conditions
  • Moisture absorption 0.3 [% at 20°C in 24h]

Tolerance details

  • Housing Ø H5
  • Bushing inner-Ø after mounting D8/D9
  • Shaft tolerance Specified by the customer

Shafty material

  • Steel > 200 HB dressed to size, surface roughness Rz ≤ 4

Mounting advise

  • Housing-Ø: Mounting bevel min 1.5mm x 15-45°
  • Shaft: Mounting bevel 5mm x 15°, edges rounded
  • The application of an adequate force fitting mandrel is advisable.


  • No maintenance necessary. COM-KU®/X is a maintenance-free plastic sliding bearing.

Range of application

  • Machine construction, apparatus engineering, agricultural and construction machines, gear manufacturing, high impact load


* On request further materials are available for higher demands, e.g. for higher temperature ranges.

** The above stated material properties are valid for optimal operating conditions. Through changes of the application conditions e.g. higher sliding speed or strain, these values are subject to change.