UNI EN 1337-4 : 2004

Foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
   3.1 Terms and definitions
   3.2 Symbols
   3.3 Abbreviations
4 Functional requirements
   4.1 General
   4.2 Load bearing capacity
   4.3 Rotation capability
5 Materials
   5.1 General
   5.2 Carbon steel
   5.3 Stainless steel
   5.4 Cast steel
6 Design
   6.1 General
   6.2 Movement
   6.3 Curved surfaces
   6.4 Surfaces in contact
   6.5 Length of rollers
   6.6 Guidance and security of rollers
   6.7 Dimensioning of components
        6.7.1 Dimension of roller
        6.7.2 Dimensions of roller plates
        6.7.3 Load distribution to other components
   6.8 Particular requirements
        6.8.1 Flat sided rollers
        6.8.2 Multiple rollers
        6.8.3 Corrosion in the contact line
        6.8.4 Alignment of components
        6.8.5 Alignment of bearings
   6.9 Design coefficient of friction
   6.10 Eccentricities
        6.10.1 Single rollers
        6.10.2 Eccentricity due to rotation moment of
               multiple rollers
        6.10.3 Transverse eccentricity
        6.10.4 Total eccentricity
   6.11 Combination with other elements
7 Tolerances
   7.1 Flatness
   7.2 Surface profile
   7.3 Surface roughness
   7.4 Parallelism of contact surfaces
   7.5 Diameter of multiple rollers
8 Conformity evaluation
   8.1 General
   8.2 Control of the construction product and its
        manufacture
        8.2.1 Factory Production Control (FPC)
        8.2.2 Initial type testing
        8.2.3 Routine testing
   8.3 Raw materials and constituents
9 Installation
10 In-service inspection
Annex A (normative) Ferrous materials
Annex B (informative) Factory Production Control
        B.1 General
             B.1.1 Objectives
             B.1.2 Documentation
             B.1.3 Operations
        B.2 Verifications and tests
             B.2.1 General comments
             B.2.2 Monitoring of conformity
             B.2.3 Tests
             B.2.4 Treatment of construction products which
                    do not conform
             B.2.5 Recording of verification and tests
                    (manufacturer's register)
             B.2.6 Traceability
Annex ZA (informative) Clauses of this European Standard
         addressing the provisions of the EU Construction
         Products Directive
         ZA.1 Scope and relevant characteristics
         ZA.2 Procedure(s) for attestation of conformity of roller
               bearings
               ZA.2.1 System(s) of attestation of conformity
               ZA.2.2 EC Certificate and declaration of conformity
          ZA.3 CE marking and labelling
Bibliography

Covers the requirements for the design and manufacture of single and multiple roller bearings, in which the roller axis is horizontal.