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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
BS EN 3280 - AEROSPACE SERIES - BEARINGS, AIRFRAME ROLLING, RIGID OR SELF-ALIGNING - TECHNICAL SPECIFICATION
Hardcopy , PDF
31-05-2011
English
1 Scope
2 Normative references
3 Terms and definitions
3.1 Rolling bearings, rigid or self-aligning
3.1.1 Shielded rolling bearing
3.1.2 Sealed rolling bearing
3.2 Surface discontinuities
3.2.1 Crack
3.2.2 Score, scratch
3.2.3 Lap
3.2.4 Seam
3.3 Radial (Kia, Kea) and axial (Sia, Sea) running
accuracy
3.4 Internal clearances
3.4.1 Radial (Gr)
3.4.2 Axial (Ga)
3.4.3 Diagonal (Gd)
3.5 Starting torque at zero load
3.6 Delivery batch
4 Required characteristics, inspection and test methods
5 Quality assurances
5.1 Product qualification
5.2 Acceptance conditions
5.2.1 Inspections and tests to be carried out
by the manufacturer
5.2.2 User's quality control
6 Packaging
7 Certificate of conformity
Annex A (normative) - Retension test for self-aligning
bearing seals and shields
Annex B (normative) - Sand and dust test
Annex C (normative) - Test on the running behaviour of
the bearings, retention of seals and shields
at the limit temperatures
Annex D (normative) - Verification of running accuracy
Annex E (normative) - Verification of internal clearances
Annex F (normative) - Verification of permissible and
ultimate static loads
Annex G (normative) - Lubricants - Essential characteristics
Annex H (normative) - Simplified qualification procedure
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