EN 6055:2019

Aerospace series - Rod-end with bearing EN 4265 in corrosion resisting steel, external threaded shank - Dimensions and loads - Inch series

This European standard specifies the characteristics of adjustable rod-ends consisting of:
-   a spherical plain bearing, metal to metal, in corrosion resisting steel, wide series (EN 4265);
-   a rod-end with threaded shank with an optional longitudinal groove for locking purposes.
They are intended for use in fixed or moving parts of the aircraft structure and their control mechanisms.

Luft- und Raumfahrt - Ösenkopf mit Gelenklager nach EN 4265 aus korrosionsbetändigem Stahl, mit Außengewinde - Maße und Belastungen - Inch-Reihe

Série aérospatiale - Embout à rotule lisse suivant EN 4265, en acier résistant à la corrosion, avec filetage extérieur - Dimensions et charges - Série en inches

Aeronavtika - Končnik z očesom in ležajem po EN 4265 iz korozijsko odpornega jekla, z zunanjo navojno ročico - Mere in obremenitve - Palčne mere

Ta evropski standard določa karakteristike nastavljivih končnikov z očesom, ki so sestavljeni iz:
 zglobnega drsnega ležaja, kovina na kovino, iz korozijsko odpornega jekla, širokega tipa (EN 4265);
 končnika z očesom in navojno ročico z izbirnim vzdolžnim utorom za zaklepanje.
Namenjeni so za uporabo v fiksnih ali premikajočih se delih ogrodja letala in njihovih nadzornih mehanizmih.

General Information

• Status: Published
• Publication Date: 30-Apr-2019
• Withdrawal Date: 29-Nov-2019
• ICS: 49.035 - Components for aerospace construction
• Technical Committee: ASD-STAN - Aerospace
• Drafting Committee: ASD-STAN/D 3/S 1 - Parts of Mechanical Systems
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 01-May-2019
• Completion Date: 01-May-2019
• Ref Project: SIST EN 6055:2019 - Aerospace series - Rod-end with bearing EN 4265 in corrosion resisting steel, external threaded shank - Dimensions and loads - Inch series

Standards Content (Sample)

SLOVENSKI STANDARD
01-julij-2019
Aeronavtika - Končnik z očesom in ležajem po EN 4265 iz korozijsko odpornega
jekla, z zunanjo navojno ročico - Mere in obremenitve - Palčne mere
Aerospace series - Rod-end with bearing EN 4265 in corrosion resisting steel, external
threaded shank - Dimensions and loads - Inch series
Luft- und Raumfahrt - Ösenkopf mit Gelenklager nach EN 4265 aus
korrosionsbeständigem Stahl, mit Aussengewinde - Maße und Belastungen - Inch Reihe
Série aérospatiale - Embout avec rotule lisse en acier par EN 4265 résistant à la
corrosion avec le filetage extérieur - Dimensions et charges - Série en inches
Ta slovenski standard je istoveten z: EN 6055:2019
ICS:
49.035 Sestavni deli za letalsko in Components for aerospace
vesoljsko gradnjo construction
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 6055
EUROPEAN STANDARD
NORME EUROPÉENNE
May 2019
EUROPÄISCHE NORM
ICS 49.035
English Version
Aerospace series - Rod-end with bearing EN 4265 in
corrosion resisting steel, external threaded shank -
Dimensions and loads - Inch series
Série aérospatiale - Embout à rotule lisse suivant EN Luft- und Raumfahrt - Ösenkopf mit Gelenklager nach
4265, en acier résistant à la corrosion, avec filetage EN 4265 aus korrosionsbeständigem Stahl, mit
extérieur - Dimensions et charges - Série en inches Aussengewinde - Maße und Belastungen - Inch Reihe
This European Standard was approved by CEN on 12 November 2018.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 6055:2019 E
worldwide for CEN national Members.

Contents
Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms, definitions and symbols . 6
4 Requirements . 6
4.1 Configuration, dimensions, tolerances and mass . 6
4.2 Surface roughness . 6
4.3 Right or left hand thread . 9
4.4 With or without longitudinal groove . 10
4.5 Material . 10
4.6 Surface treatment . 10
4.7 Loads . 11
4.8 Clearance . 12
4.9 Temperature range and lubricant . 12
5 Designation. 13
6 Marking . 13
7 Technical specification . 13
8 Quality management systems . 13
Annex A (normative) Verification of fatigue loads . 14
A.1 Standard rod-end fatigue spectrum . 14
A.2 Method . 14
Annex B (informative) Standard evolution form . 15
Bibliography . 16

European foreword
This document (EN 6055:2019) has been prepared by the Aerospace and Defence Industries
Association of Europe - Standardization (ASD-STAN).
After enquiries and votes carried out in accordance with the rules of this Association, this Standard has
received the approval of the National Associations and the Official Services of the member countries of
ASD, prior to its presentation to CEN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by November 2019, and conflicting national standards
shall be withdrawn at the latest by November 2019.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
Introduction
This document is published at edition P2. Former P1 and drafts may exist of Airbus development only
but without any ASD-STAN official publication. In consequence configuration management
discrepancies with these unofficial documents are under Airbus responsibility.
1 Scope
This European standard specifies the characteristics of adjustable rod-ends consisting of:
 a spherical plain bearing, metal to metal, in corrosion resisting steel, wide series (EN 4265);
 a rod-end with threaded shank with an optional longitudinal groove for locking purposes.
They are intended for use in fixed or moving parts of the aircraft structure and their control
mechanisms.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 2133, Aerospace series — Cadmium plating of steels with specified tensile strength ≤ 1 450 MPa,
copper, copper alloys and nickel alloys
EN 2424, Aerospace series — Marking of aerospace products
EN 4265, Aerospace series — Bearing spherical plain, metal to metal in corrosion resisting steel — Wide
series — Dimensions and loads — Inch series
EN 6099, Aerospace series — Rod-ends with plain bearing, metal to metal — Technical Specification
ISO 1132-1, Rolling bearings — Tolerances — Part 1: Terms and definitions
ISO 3161, Aerospace — UNJ threads — General requirements and limit dimensions
ISO 3353-1, Aerospace — Lead and runout threads — Part 1: Rolled external threads
ISO 3353-2, Aerospace — Lead and runout threads — Part 2: Internal threads
ISO 8074, Aerospace — Surface treatment of austenitic stainless steel parts
MIL-PRF-23827, Grease, aircraft and instrument, gear and actuator screw, NATO Code No.G-354 metric
MIL-PRF-46010, Lubricant, solid film, heat cured, corrosion inhibiting, NATO Code-S-1738
MIL-PRF-81322, Grease, aircraft, general purpose, wide temperature range, NATO Code-G-395
NAS 559, Lock-rod end (key type)
SAE AMS 5643, Steel, corrosion resistant, bars wire, forgings, tubing and rings
16Cr-4.0Ni-0.30(Cb+Ta)-4.0Cu solution heat treated, precipitation hardenable
TR 4475, Bearings and mechanical transmissions for airframe applications — Vocabulary

1 Published by: Department of Defense (DoD), the Pentagon, Washington, D.C., 20307, USA.
2 Published by: Aerospace Industries Association of America, Inc. (AIA), 1250 Eye Street, N.W., Washington, D.C.
20005-3924, USA
3 Published as ASD-STAN Technical Report at the date of publication of this European standard by AeroSpace
and Defence industries Association of Europe – Standardization (ASD-STAN) (www.asd-stan.org).
3 Terms, definitions and symbols
For the purposes of this document, the terms and definitions given in TR 4475 apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
 ISO Online browsing platform: available at http://www.iso.org/obp
 IEC Electropedia: available at http://www.electropedia.org/
Symbols of limit deviations are in accordance with definitions of ISO 1132-1.
α maximum angle of tilt of the outer ring with respect to the inner ring, with the spherical surface
of the outer ring being completely in contact with the inner ring;
C permissible static radial load;
s
single plane mean bore diameter deviation;
∆
dmp
∆ deviation of a single bore diameter;
ds
C push out load;
p
C fatigue load,
f
4 Requirements
4.1 Configuration, dimensions, tolerances and mass
Configuration, dimensions, tolerances and mass shall be according to Figure 1 and Table 1.
Table 1 and Table 5: Dimensions and tolerances are expressed in millimetres (inches).
Figure 1: Dimensions and tolerances for Ra max. are expressed in μm (μin).
Values apply after surface treatment.
4.2 Surface roughness
Surface roughness shall be according to Figure 1.
Surface roughness is measured before surface treatment.
Key
a
run-out according to ISO 3353
b
thread, pitch diameter
c
groove as per NAS 559
d
usable length for groove
e
0,127 to 0,381 (0.005 to 0.015) radius or chamfer 45°
Figure 1 — Configuration
Table 1 — Dimensions, tolerances and mass (1 of 2)
∅D
∅d
b
∅D ØD
∅D B C
4 2
Type of
Dia-
thread Limit deviation 0
meter
±0,127
UNJF-3A
a
−0,051
code
(0
Bearing
Δ Δ
nominal max. min. (±0.005)
dmp ds
diameter
−0.002)
4,826
(0.1900)
15,875 7,620 8,560
04 (0.6250) (0.300) (0.337)
7,249 6,350 11,100
0.3125-24
(0.2854) (0.2500) (0.437)
7,937 17,463 9,144 8,306
(0.3125) (0.6875) (0.360) (0.327)

8,837 9,525 20,638 11,836 12,700 10,566
06 0.3750-24
(0.3479) (0.3750) (0.8125) (0.466) (0.500) (0.416)

10,287 11,113 23,017 13,640 14,275 11,481
0.4375-20
(0.4050) (0.4375) (0.9062) (0.537) (0.562) (0.452)
11,875 12,700 25,400 15,418 15,878 13,081
08 0.5000-20
(0.4675) (0.5000) (1.0000) (0.607) (0.625) (0.515)
0 0
−0,013 −0,013
14,958 15,875 30,163 18,974 19,050 14,656
10 0.6250-18 (0 (0
(0.5889) (0.6250) (1.1875) (0.747) (0.750) (0.577)
−0.0005) −0.0005)
18,019 19,050 34,925 21,463 16,256
12 0.7500-16
(0.7094) (0.7500) (1.3750) (0.845) (0.640)
22,225
(0.875)
21,046 22,225 41,275 25,273 19,431
14 0.8750-14
(0.8286) (0.8750) (1.6250) (0.995) (0.765)
+0,003
−0,015
30,376 25,400 53,975 32,233 34,925 25,781
16 1.2500-12
(1.1959) (1.0000) (2.1250) (1.269) (1.375) (1.015)
(+0.0001
−0.0006)
Table 1 — Dimensions, tolerances and mass (2 of 2)
c
b b l l l
r α ∅A Mass
1 2 1 2 3
Dia- +1,524
0 +0,127 +1,524
±0,
...