NBN EN 12080 : 2008 + A1 2010

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
    3.1 customer
    3.2 railway company
    3.3 supplier
    3.4 network
    3.5 axlebox
    3.6 rolling bearing
    3.7 cartridge bearing
    3.8 ring
    3.9 rolling elements
    3.10 cage
    3.11 grease
    3.12 sealing
    3.13 box housing
4 Information and requirements to be agreed and documented
    4.1 General
    4.2 Information to be supplied by customer
    4.3 Optional requirements
    4.4 Requirements for agreement
5 Quality systems
6 Manufacture
    6.1 Steel manufacturing
    6.2 Heat treatment
    6.3 Traceability
7 Material properties
    7.1 Steel for rings and rolling elements
    7.2 Materials of other components (cages, spacers,
          seals, etc.)
8 Geometry and dimensions
    8.1 Dimensions and tolerances
    8.2 Rolling bearing internal clearance before mounting
9 Mechanical properties (Inner ring expansion ability)
10 Physical properties
    10.1 Visual aspect
    10.2 Soundness of rings and rolling elements
    10.3 Case depth
    10.4 Surface hardness
11 Marking
12 Inspection
    12.1 Inspection plan
    12.2 Sampling
13 Quality records
14 Approval
15 Delivery and packaging
    15.1 Greasing of rolling bearings
    15.2 Rust protection
    15.3 Packaging
Annex A (normative) Ultrasonic inspection of rolling bearing
rings
Annex B (normative) Magnetic particle inspection of ring
surfaces
Annex C (normative) Eddy current inspection of the raceways of
the rollers
Annex D (informative) Cages of polymeric material
Annex E (normative) Approval procedures
Annex F (informative) Criteria to determine the extent of
approval procedures

Describes the quality parameters of axlebox rolling bearings, required for reliable operating of trains on European networks.