ML-2 Self-Lubricated Bearings

Flanged cylindrical bearing ML-2

ML-2 bearings stand out for their unique composite design. They combine a woven stainless steel mesh embedded in PTFE (polytetrafluoroethylene) to deliver a range of benefits:

  • Eco-friendly and Lead-Free: Solid lubricants within the PTFE comply with the European Parliament's "ELV" directive (2000/53/Ec), making them a sustainable choice.
  • Low Friction, High Chemical Resistance: Much like pure PTFE, ML-2 bearings offer exceptionally low friction and impressive resistance to various chemicals.
  • Strength and Versatility: The metallic backing layer reinforces these bearings, providing the necessary strength and formability to tackle diverse applications
  • Superior Heat Dissipation: The composite structure of ML-2 bearings allows for efficient heat transfer.

To meet your specific needs, ML-2 bearings come in various forms, including: Cylindrical bearings; Flanged bearings; Washers.

These bearings are available in thicknesses ranging from 0.75 mm to 1.50 mm (0.029 to 0.059 inches).

Operating Conditions

  • dry condition icon
    DRY Very Good
  • dry condition icon
    OIL Good
  • dry condition icon
    GREASE Good
  • dry condition icon
    WATER Fair
  • dry condition icon

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composite layers of ML-2 bearing preview
composite layers of ML-2 bearing

Structure of the composite material

Layer Average analyses of the material Thickness of layer
Sliding layer PTFE impregnated Stainless steel AISI 316L woven mesh 0,50 mm
Supporting shell Stainless steel AISI 316L 0,250 ÷ 1,000 mm (Depending on final thickness required)
Protective layer Sn or Zn (as per customer requirement) > 1 μm


  • Extra-thick sliding layer with woven/expanded metal mesh support embedded with PTFE helps in edge loading
  • High calibration / sizing assembly to compensate higher tolerances of hinge hole and pin
  • Electrically conductive to enable EDP (Electro-Phoretic Deposition), also available with notches
  • Right fit according to requirement to achieve desired torque value
  • Noise-free / smooth operation in assembly

Technical Data

Maximum Specific Load Static 150-300 N/mm2
Maximum Specific Load Dynamic 100-170 N/mm2
Service Temperature Minimum -200°C (-328°F)
Service Temperature Maximum +180°C (+356°F)
Service Temperature Intermittent +260°C (+500°F)
Maximum Speed Dry 1.0 m/s (200 fpm)
Coefficient of Friction Dry 0.07 - 0.17

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