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STANDARD
SIST EN 4537-2:2009
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 4537-2June 2009ICS 49.035 English VersionAerospace series - Bushes, flanged in corrosion-resisting steelwith self-lubricating liner, elevated load - Part 2: Dimensions andloads - Inch seriesSérie aérospatiale - Bagues, à épaulement en acierrésistant à la corrosion à garniture autolubrifiante, chargeélevée - Partie 2: Dimensions et charges - Série en inchesLuft- und Raumfahrt - Buchsen mit Flansch auskorrosionsbeständigem Stahl mit selbstschmierenderBeschichtung, erhöhte Belastung - Teil 2: Maße undBelastungen - Inch ReiheThis European Standard was approved by CEN on 24 April 2009.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN 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 translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre:
Avenue Marnix 17,
B-1000 Brussels© 2009 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 4537-2:2009: ESIST EN 4537-2:2009
EN 4537-2:2009 (E) 2 Contents Page Foreword .3 1 Scope .4 2 Normative references .4 3 Terms and definitions .4 4 Requirements .4 4.1 Configuration, dimensions and mass.4 4.2 Surface roughness .4 4.3 Materials .5 4.4 Surface treatment .5 5 Designation . 18 6 Marking . 18 7 Technical specification . 19 8 Design recommendation . 19
SIST EN 4537-2:2009
EN 4537-2:2009 (E) 3 Foreword This document (EN 4537-2:2009) 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 December 2009, and conflicting national standards shall be withdrawn at the latest by December 2009. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] 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, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom.
SIST EN 4537-2:2009
EN 4537-2:2009 (E) 4 1 Scope This standard specifies the characteristics of flanged bushes in corrosion resisting steel with self-lubricating liner elevated load for aerospace applications.
The bushes are intended for use in fixed or moving parts of the aircraft structure and control mechanisms.
They shall be used in the temperature range – 55 °C to 163 °C. 2 Normative references The following referenced documents are indispensable for the application 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 2311, Aerospace series — Bushes with self-lubricating liner — Technical specification EN 2424, Aerospace series — Marking of aerospace products EN 3161, Aerospace series — Steel FE-PM3801 (X5CrNiCu17-4) — Air melted — Solution treated and precipitation treated — Bar — a or D ≥ 200 mm — Rm ≥ 930 MPa 1)
TR 4475, Aerospace series — Bearings and mechanical transmissions for airframe applications — Vocabulary 2)
ISO 2768-1, General tolerances — Part 1: Tolerances for linear and angular dimensions without individual tolerance indications ISO 8075, Aerospace — Surface treatment of hardenable stainless steel parts 3 Terms and definitions For the purposes of this document, the terms and definitions given in TR 4475 apply. 4 Requirements 4.1 Configuration, dimensions and mass According to Figures 1 and 2 and Tables 1, 2, 4 and 5. Dimensions apply after surface treatment. Dimensions and tolerances are expressed in millimetres (inches).
General tolerances shall be ISO 2768-m in accordance with ISO 2768-1. 4.2 Surface roughness According to Figures 1 and 2.
1) Published as ASD Prestandard at the date of publication of this standard. 2) Published as ASD Technical Report at the date of publication of this standard. SIST EN 4537-2:2009
EN 4537-2:2009 (E) 5 4.3 Materials Bush: Stainless steel according to EN 3161. Liner: Self-lubricating wear resistant material consistent with the requirements of EN 2311. 4.4 Surface treatment Code T: Passivation according to ISO 8075.
Key a Chamfer machined before bonding b Chamfer or radius at manufacturers option c Chamfer machined after bonding d Manufactory optional Figure 1 — Configuration — Type D SIST EN 4537-2:2009
EN 4537-2:2009 (E) 6 Table 1 — Dimensions and tolerances — Type D Diameter code a d D D1 g1 g2 l2 f1 b
a α R Nominal diameter 00,025− 00,013− 00,51− max. max. 00,13− max.
± 2° 00,25+ (00.0010−) 00.0005− (00.020−) (00.005−)(00.010+)04 6,350 (0.2500) 6,388 (0.2515) 9,550 (0.3760) 19,05 (0.750) 0,70 (0.028) 0,70 (0.028) 1,60 (0.063) 1,20 (0.047) 0,50 to 0,70 (0.020 to 0.030) 15° 0,13 (0.005) 05 7,938 (0.3125) 7,976 (0.3140) 11,140 (0.4386) 20,64 (0.813) 06 9,525 (0.3750) 9,563 (0.3765) 12,730 (0.5012) 22,23 (0.875) 07 11,113 (0.4375) 11,151 (0.4390) 14,321 (0.5638) 23,81 (0.938) 08 12,700 (0.5000) 12,738 (0.5015) 15,913 (0.6265) 25,40 (1.000) 09 14,288 (0.5625) 14,326 (0.5640) 17,506 (0.6892) 28,58 (1.125) 10 15,875 (0.6250) 15,913 (0.6265) 20,681 (0.8142) 31,75 (1.250) 11 17,463 (0.6875) 17,501 (0.6890) 22,268 (0.8767) 34,93 (1.375) 12 19,050 (0.7500) 19,088 (0.7515) 23,858 (0.9393) 38,10 (1.500) 14 22,225 (0.8750) 22,263 (0.8765) 27,038 (1.0645) 41,28 (1.625) 1,00 (0.039) 1,00 (0.039) 16 25,400 (1.0000) 25,438 (1.0015) 30,221 (1.1898) 44,45 (1.750) 18 28,575 (1.1250) 28,613 (1.1265) 33,396 (1.3148) 47,63 (1.875) 2,39 (0.094) 20 31,750 (1.2500) 31,788 (1.2515) 36,571 (1.4398) 50,80 (2.000) 22 34,925 (1.3750) 34,963 (1.3765) 39,746 (1.5648) 53,98 (2.125) 24 38,100 (1.5000) 38,138 (1.5015) 44,508 (1.7523) 57,15 (2.250) 26 41,275 (1.6250) 41,313 (1.6265) 47,683 (1.8773) 60,33 (2.375) 28 44,450 (1.7500) 44,488 (1.7515) 50,858 (2.0023) 63,50 (2.500) 32 50,800 (2.0000) 50,838 (2.0015) 57,208 (2.2523) 69,85 (2.750) a Diameter code corresponds to nominal diameter d in 1/16 inch. b Min. length code 010 or higher.
SIST EN 4537-2:2009
EN 4537-2:2009 (E) 7 Table 2 — Mass — Type D Dia-meter code a Length code b 006 007 008 009 010 011 012 014 016 018 020 022 024 028 032 l1
0,100,40−−
(0.0040.016−−) 4,76 5,56 6,35 7,14 7,94 8,73 9,53 11,11 12,70 14,29 15,88 17,46 19,05 22,23 25,40 (0.188) (0.219) (0.250) (0.281) (0.313)(0.344)(0.375)(0.438)(0.500)(0.563)(0.625) (0.688) (0.750)(0.875)(1.000)Mass in kg/1 000 pieces ≈ 04 4,13
4,38
4,62
4,87
5,11 5,36 5,60 —
—
—
—
—
—
—
—
05 4,72
5,02
5,31
5,61
5,90 6,19 6,49 7,08 7,67 —
—
—
—
—
—
06 5,31
5,66
6,00
6,34
6,69 7,03 7,37 8,06 8,75 9,43 —
—
—
—
—
07 5,90
6,30
6,69
7,08
7,47 7,87 8,26 9,04 9,83 10,62 11,40
—
—
—
—
08 6,50
6,94
7,38
7,82
8,27 8,71 9,15 10,03 10,92 11,80 12,69
13,57
14,46 —
—
09 7,95
8,45
8,94
9,43
9,92 10,41 10,91 11,89 12,88 13,86 14,84
15,83
16,81 —
—
10 10,78
11,63
12,48
13,32
14,17 15,02 15,87 17,57 19,26 20,96 22,66
24,35
26,05 29,44 —
11 —
—
14,47
15,39
16,32 17,24 18,16 20,00 21,85 23,69 25,54
27,38
29,22 32,91 36,60 12 —
—
16,62
17,62
18,61 19,61 20,60 22,60 24,59 26,58 28,57
30,57
32,56 36,54 40,53 14 —
—
18,69
19,84
20,98 22,13 23,27 25,56 27,85 30,14 32,43
34,72
37,01 41,59 46,17 16 —
—
20,77
22,07
23,36 24,65 25,95 28,54 31,13 33,72 36,30
38,89
41,48 46,66 51,84 18 —
—
—
—
31,28 32,73 34,17 37,05 39,94 42,82 45,71
48,59
51,47 57,24 63,01 20 —
—
—
—
—
—
37,26 40,44 43,62 46,80 49,98
53,16
56,34 62,70 69,06 22 —
—
—
—
—
—
40,36 43,83 47,31 50,78 54,26
57,73
61,21 68,16 75,11 24 —
—
—
—
—
—
49,52 54,64 59,76 64,88 70,00
75,12
80,24 90,48 100,72 26 —
—
—
—
—
—
—
—
64,08 69,59 75,11
80,62
86,13 97,16 108,19 28 —
—
—
—
—
—
—
—
68,40 74,31 80,22
86,12
92,03 103,84 115,66 32 —
—
—
—
—
—
—
—
77,04 83,74 90,43
97,13
103,82 117,21 130,59 continued SIST EN 4537-2:2009
EN 4537-2:2009 (E) 8 Table 2 (concluded)
Dia-meter code a Length code b
036 040 044 048 052 056 060 064 068 072 076 080 088
l1
0,100,40−−
(0.0040.016−−)
28,58 31,75 34,93 38,10 41,28 44,45 47,63 50,80 53,98 57,15 60,33 63,50 69,85
(1.125) (1.250) (1.375) (1.500) (1.625)(1.750)(1.875)(2.000)(2.125)(2.250)(2.375) (2.500) (2.750) Mass in kg/1 000 pieces ≈
04 — — — — — — — — — — — — —
05 — — — — — — — — — — — — —
06 — — — — — — — — — — — — —
07 — — — — — — — — — — — — —
08 — — — — — — — — — — — — —
09 —
—
—
—
—
—
—
—
—
—
—
—
—
10 —
—
—
—
—
—
—
—
—
—
—
—
—
11 —
—
—
—
—
—
—
—
—
—
—
—
—
12 —
—
—
—
—
—
—
—
—
—
—
—
—
14 50,75
55,32
—
—
—
—
—
—
—
—
—
—
—
16 57,02
62,19
67,37
—
—
—
—
—
—
—
—
—
—
18 68,78
74,55
80,32
86,09
91,85 —
—
—
—
—
—
—
—
20 75,42
81,78
88,14
94,50
100,85 107,21 —
—
—
—
—
—
—
22 82,06
89,01
95,96
102,91
109,86 116,81 123,76 130,71 —
—
—
—
—
24 110,96
121,20
131,44
141,68
151,92 162,16 172,40 182,64 192,88 —
—
—
—
26 119,22
130,24
141,27
152,30
163,32 174,35 185,38 196,41 207,43 218,46 —
—
—
28 127,47
139,28
151,10
162,91
174,73 186,54 198,35 210,17 221,98 233,80 245,61
257,42 —
32 143,98
157,37
170,76
184,14
197,53 210,92 224,31 237,69 251,08 264,47 277,86
291,24 318,02 a Diameter code corresponds to nominal diameter d in 1/16 inch. b Length code corresponds to length l1 in 1/32 inch.
SIST EN 4537-2:2009
EN 4537-2:2009 (E) 9 Table 3 — Loads — Type D Diameter code a Length
code Permissible radial load Radial load Axial
static load Diametercode a Length code Permissible radial load Radial load Axial static loadkN
kN Static
Cs b Dynamic C25 c
Ca d
Static
Cs b Dynamic C25 c
Ca d 04 006 4,02 1,92 77,34
09 006 9,01 4,31 151,96 007 6,76 3,24
007 15,16 7,26 008 9,50 4,55
008 21,31 10,20 009 12,25 5,86
009 27,46 13,15 010 14,99 7,18
010 33,61 16,09 011 17,73 8,49
011 39,77 19,04 012 20,48 9,80
012 45,92 21,98 05 006 5,02 2,40 86,63
014 58,22 27,87 007 8,44 4,04
016 70,52 33,76 008 11,86 5,68
018 82,83 39,65 009 15,29 7,32
020 95,13 45,54 010 18,71 8,96
022 107,43 51,43 011 22,14 10,60
024 119,74 57,32 012 25,56 12,24
10 006 10,01 4,79 194,53 014 32,41 15,52
007 16,84 8,06 016 39,26 18,80
008 23,67 11,33 06 006 6,01 2,88 95,92
009 30,51 14,60 007 10,12 4,84
010 37,34 17,88 008 14,23 6,81
011 44,17 21,15 009 18,33 8,78
012 51,01 24,42 010 22,44 10,74
014 64,67 30,96 011 26,55 12,71
016 78,34 37,50 012 30,65 14,67
018 92,01 44,05 014 38,87 18,61
020 105,67 50,59 016 47,08 22,54
022 119,34 57,13 018 55,29 26,47
024 133,01 63,68 07 006 7,01 3,36 105,20
028 160,34 76,76 007 11,80 5,65
11 008 26,03 12,46 242,22 008 16,59 7,94
009 33,55
16,06 009 21,38 10,23
010
41,06
19,66 010 26,16 12,53
011 48,58 23,26 011 30,95 14,82
012 56,09
26,86 012 35,74 17,11
014
71,13
34,05 014 45,32 21,70
016
86,16
41,25 016 54,89 26,28
018
101,19
48,44 018 64,47 30,86
020
116,22
55,64 020 74,05 35,45
022 131,25 62,83 08 006 8,01
3,83 114,49
024
146,28
70,03 007 13,48
6,45
028
176,34
84,42 008 18,95 9,07
032
206,40
98,81 009 24,42
11,69
12 008 28,40 13,59 295,00 010 29,89 14,31
009
36,59
17,52 011 35,36 16,93
010
44,79
21,44 012 40,83 19,55
011
52,99
25,37 014 51,77 24,78
012
61,18
29,29 016 62,71 30,02
014
77,58
37,14 018 73,65 35,26
016
93,97
44,99 020 84,59 40,50
018
110,36
52,84 022 95,53 45,73
020
126,76
60,68 024 106,47 50,97
022
143,15
68,53 continuedSIST EN 4537-2:2009
EN 4537-2:2009 (E) 10 Table 3 (continu
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