EN 2755:2009

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements characteristics, inspection and test method
5 Quality assurance
  5.1 Production qualification
  5.2 Acceptance conditions
      5.2.1 Inspection and tests to be carried out by the
            manufacturer
      5.2.2 Purchaser's (user's) quality control
6 Packaging
7 Certificate of compliance
Annex A (normative) - Verification of permissible and
                      ultimate static loads
      A.1 Permissible radial static load (C[s])
          A.1.1 Principle
          A.1.2 Method
      A.2 Ultimate radial static load
          A.2.1 Principle
          A.2.2 Method
      A.3 Permissible axial static load (C[a])
          A.3.1 Principle
          A.3.2 Method
      A.4 Ultimate axial static load
          A.4.1 General
          A.4.2 Principle
          A.4.3 Method
Annex B (normative) - Verification of dynamic radial
                      load (C[25])
      B.1 Principle
      B.2 Method
          B.2.1 Testing at ambient temperature
          B.2.2 Testing at low temperature
          B.2.3 Testing at elevated temperature
      B.4 Test at ambient temperature after immersion
Annex C (normative) - Fluids - Essential characteristics
      C.1 Fuel for turbine aero engine
      C.2 Fluids for de-icing circuit
      C.3 Hydraulic fluids
          C.3.1 Mineral fluid for hydraulic transmission
          C.3.2 Phosphate of ester hydraulic fluid
      C.4 De-icing and anti-icing fluids
Annex D (normative) - Measurement of the peel strength
                      of the liner
      D.1 Principle
      D.2 Method
Annex E (normative) - Simplified qualification procedure
      E.1 Rules for application
          E.1.1 General
      E.2 Choice of references
      E.3 Rules for qualification
      E.4 Plain bearing distribution

This standard specifies the required characteristics, inspection and test methods, qualification and acceptance conditions for spherical plain bearings in corrosion resisting steel, with self-lubricating liner, for elevated loads at ambient temperature intended for use in fixed or moving parts of the aircraft structure and control mechanisms.This standard applies whenever referenced.