corrigendum corrigendum August 2008 August 2008
Fluid power systems —
Fluid power systems —
O-rings —
O-rings —
Part 1: Inside
Part 1: Inside diameters, cross-sections,
diameters, cross-sections,
tolerances and designation codes
tolerances and designation codes
ICS 23.100.60; 83.140.50 ICS 23.100.60; 83.140.50
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This British Standard was This British Standard was published under the authority published under the authority of the Standards Policy and of the Standards Policy and Strategy Committee Strategy Committee on 31 July 2008 on 31 July 2008
National foreword
National foreword
This British Standard is the UK implementation of ISO 3601-1:2008.
This British Standard is the UK implementation of ISO 3601-1:2008. TogetherTogether with BS ISO 3601-2:2008 it supersedes BS 1806:1989 which is withdrawn. with BS ISO 3601-2:2008 it supersedes BS 1806:1989 which is withdrawn. The UK participation in its preparation was entrusted to Technical
The UK participation in its preparation was entrusted to Technical CommitteeCommittee MCE/11, Fluid seals and their housings.
MCE/11, Fluid seals and their housings.
A list of organizations represented on this committee can be obtained on A list of organizations represented on this committee can be obtained on
request to its secretary. request to its secretary.
This publication does not purport to include all the necessary provisions of a This publication does not purport to include all the necessary provisions of a contract. Users are responsible for
contract. Users are responsible for its correct application.its correct application.
Compliance with a British Standard cannot confer immunity from Compliance with a British Standard cannot confer immunity from legal obligations.
legal obligations.
Amendments/corrigenda issued since publication Amendments/corrigenda issued since publication
D Daattee CCoommmmeennttss
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Reference number Reference number ISO 3601-1:2008(E) ISO 3601-1:2008(E)
INTERNATIONAL
INTERNATIONAL
STANDARD
STANDARD
ISO
ISO
3601-1
3601-1
Fourth edition Fourth edition 2008-07-01 2008-07-01Fluid power systems — O-rings —
Fluid power systems — O-rings —
Part 1:
Part 1:
Inside diameters, cross-sections,
Inside diameters, cross-sections,
tolerances and designation codes
tolerances and designation codes
Transmissions hydrauliques et pneumatiques — Joints toriques — Transmissions hydrauliques et pneumatiques — Joints toriques — Partie 1: Diamètres intérieurs, sections, tolérances et codes
Partie 1: Diamètres intérieurs, sections, tolérances et codes d'identification dimensionnelle d'identification dimensionnelle
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Contents
Contents
PagePageForeword... Foreword... iviv Introduction Introduction ... vv 1 1 Scope ...Scope...1...1 2
2 Normative referencesNormative references ...1...1 3
3 Terms and definitionsTerms and definitions ...1...1 4
4 Symbols ...Symbols...1...1 5
5 Configuration ...Configuration...2...2 6
6 Inside diameters,Inside diameters,d d
1
1, cross-sections (section diameter),, cross-sections (section diameter), d d 22, , and and tolerancestolerances ...2...2
7
7 Designation codes ...Designation codes...3...3 8
8 Methods of measuring for receiving inspection...4Methods of measuring for receiving inspection...4 9
9 Identification statementIdentification statement (reference to this part of ISO 3601)(reference to this part of ISO 3601) ...4...4 Annex A
Annex A (normative)(normative) Recommended inside diameter Recommended inside diameter tolerances and cross-section tolerances tolerances and cross-section tolerances forfor
non-standard (custom) O-ring values...31 non-standard (custom) O-ring values...31 Annex B
Annex B (informative)(informative) Example method Example method of measuring of measuring for receiving for receiving inspection...34inspection...34 Bibliography Bibliography ...36...36
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Foreword
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.
International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is
Attention is drawn to drawn to the possibilitthe possibility that y that some of some of the elements the elements of this of this document document may be may be the subject the subject of patentof patent rights. ISO shall not be held responsible for identifying any or all such patent rights.
rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 3601-1 was prepared by Technical Committee ISO/TC 131,
ISO 3601-1 was prepared by Technical Committee ISO/TC 131, Fluid power systemsFluid power systems, Subcommittee SC 7,, Subcommittee SC 7, Sealing devices
Sealing devices..
This fourth edition cancels
This fourth edition cancels and replaces the and replaces the third edition (ISO third edition (ISO 3601-1:2002), which has 3601-1:2002), which has been technicallybeen technically revised.
revised.
ISO 3601 consists of the following parts, under the general title
ISO 3601 consists of the following parts, under the general title Fluid power systems — O-ringsFluid power systems — O-rings::
⎯
⎯ Part 1: Inside diameters, cross-sections, tolerances and designation codesPart 1: Inside diameters, cross-sections, tolerances and designation codes
⎯
⎯ Part 2:Part 2: Housing dimensions for general applicationsHousing dimensions for general applications
⎯
⎯ Part 3: Quality acceptance criteriaPart 3: Quality acceptance criteria
⎯
⎯ Part 4: Anti-extrusion rings (back-up rings)Part 4: Anti-extrusion rings (back-up rings)
⎯
⎯ Part 5: Suitability of elastomeric materials for industrial applicationsPart 5: Suitability of elastomeric materials for industrial applications
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Introduction
Introduction
In fluid power systems, power is transmitted and controlled through a fluid (liquid or gas) under pressure within In fluid power systems, power is transmitted and controlled through a fluid (liquid or gas) under pressure within an enclosed circuit. To avoid leakage or to seal different chambers of a component from each other, sealing an enclosed circuit. To avoid leakage or to seal different chambers of a component from each other, sealing devices are used. O-rings are one type of sealing device.
devices are used. O-rings are one type of sealing device.
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Fluid power systems — O-rings —
Fluid power systems — O-rings —
Part 1:
Part 1:
Inside diameters, cross-sections, tolerances and designation
Inside diameters, cross-sections, tolerances and designation
codes
codes
1 Scope
1 Scope
This part of ISO 3601 specifies the inside diameters, cross-sections, tolerances and designation codes for This part of ISO 3601 specifies the inside diameters, cross-sections, tolerances and designation codes for O-rings used in fluid power systems for general industrial and aerospace applications.
O-rings used in fluid power systems for general industrial and aerospace applications.
The dimensions and tolerances specified in this part of ISO 3601 are suitable for any elastomeric material, The dimensions and tolerances specified in this part of ISO 3601 are suitable for any elastomeric material, provided that suitable tooling is available.
provided that suitable tooling is available. NOTE
NOTE The The tooling mtooling most ost commonly commonly available available is is based based on on 70 70 IRHD IRHD NBR NBR shrinkage shrinkage rates rates (see (see ISO ISO 48). 48). For For materialsmaterials that shrink differently from this
that shrink differently from this standard NBR compound, a special mould can be standard NBR compound, a special mould can be required to maintain the required to maintain the mean diametersmean diameters and the tolerance limits listed.
and the tolerance limits listed.
2
2 Normative
Normative references
references
The following referenced documents are indispensable for the application of this document. For dated 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 references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
document (including any amendments) applies. ISO 48,
ISO 48, Rubber, vulcanized or thermoplastic Rubber, vulcanized or thermoplastic — Determination of hardness (hardness between 10 IRHD and— Determination of hardness (hardness between 10 IRHD and 100 IRHD)
100 IRHD) ISO 3601-3,
ISO 3601-3, Fluid power systemsFluid power systems — O-rings— O-rings — Part — Part 3: Quality acceptance criteria3: Quality acceptance criteria ISO 5598,
ISO 5598, Fluid power systems and componentsFluid power systems and components — Vocabulary — Vocabulary
3
3 Terms
Terms and
and definitions
definitions
For the purposes of this document, the terms and definitions given in ISO 5598 apply. For the purposes of this document, the terms and definitions given in ISO 5598 apply.
4 Symbols
4 Symbols
The following symbols are used in this part of ISO 3601: The following symbols are used in this part of ISO 3601:
⎯
⎯ d d 11 O-ring O-ring inside inside diameter;diameter;
⎯ ⎯ d d
2
2 O-ring O-ring cross-section cross-section diameter.diameter.
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5 Configuration
5 Configuration
The shape of the O-ring shall be toroidal, as shown in Figure 1. The shape of the O-ring shall be toroidal, as shown in Figure 1.
Figure 1 — Typical O-ring configuration Figure 1 — Typical O-ring configuration
6
6 Inside
Inside diameters,
diameters,
d d 11, cross-sections (section diameter),
, cross-sections (section diameter),
d d 22, and tolerances
, and tolerances
6.16.1 The combinations of inside diameters and cross-section diameters shall be chosen depending on theThe combinations of inside diameters and cross-section diameters shall be chosen depending on the application:
application:
⎯
⎯ from from Tables 1 Tables 1 through 6 through 6 for general for general industrial industrial applications;applications;
⎯
⎯ from from Tables Tables 7 7 through through 11 11 for for aerospace aerospace applications.applications. 6.2
6.2 For industrial applications, two classes of inside diameter tolerances, class A and class B, are specified.For industrial applications, two classes of inside diameter tolerances, class A and class B, are specified. The tolerance of class B O-rings is based on Equation (A.1). Class A O-rings have tighter I.D. tolerances than The tolerance of class B O-rings is based on Equation (A.1). Class A O-rings have tighter I.D. tolerances than class B O-rings and are suitable for industrial or aerospace applications when the application or the housing class B O-rings and are suitable for industrial or aerospace applications when the application or the housing require tighter tolerances. Class
require tighter tolerances. Class B O-rings have B O-rings have dimensions and tolerances sdimensions and tolerances suitable for general-purposeuitable for general-purpose applications. The I.D. tolerances are based on Equation (A.1). For information, Figure 2 shows a graphical applications. The I.D. tolerances are based on Equation (A.1). For information, Figure 2 shows a graphical comparison of the inside-diameter tolerances for class A and class B O-rings.
comparison of the inside-diameter tolerances for class A and class B O-rings. 6.3
6.3 Cross-section tolerances for non-standard (custom) O-rings for general industrial applications not listedCross-section tolerances for non-standard (custom) O-rings for general industrial applications not listed in Tables
in Tables 1 through 1 through 6 can 6 can be chosen be chosen from Table from Table A.1 A.1 . Tolerances . Tolerances for inside for inside diameters for diameters for non-standardnon-standard (custom) class A O-rings are listed in Table A.2. Equation (A.1) can be used to calculate inside diameter (custom) class A O-rings are listed in Table A.2. Equation (A.1) can be used to calculate inside diameter tolerances for non-standard (custom) class B O-rings.
tolerances for non-standard (custom) class B O-rings.
In marginal cases, the compliance with the limits of the shape deviations and surface imperfections should be In marginal cases, the compliance with the limits of the shape deviations and surface imperfections should be considered besides the dimensional tolerances. See ISO 3601-3.
considered besides the dimensional tolerances. See ISO 3601-3.
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Key Key X
X O-ring O-ring inside inside diameter,diameter,d d 1
1, expressed in , expressed in millimetresmillimetres
Y
Y ±± tolerances, expressed in millimetres tolerances, expressed in millimetres 1
1 class class A A tolerancetolerance 2
2 class class B B tolerancetolerance
Figure 2 — Graphical comparison of inside diameter tolerances for class A and class B O-rings Figure 2 — Graphical comparison of inside diameter tolerances for class A and class B O-rings
7
7 Designation
Designation codes
codes
7.1
7.1 O-rings for general industrial applications that conform to this part of ISO 3601 shall be designated asO-rings for general industrial applications that conform to this part of ISO 3601 shall be designated as follows:
follows: a)
a) the the word word “O-ring” “O-ring” followed followed by by a a hyphen;hyphen; b)
b) “ISO3601-1” “ISO3601-1” followed followed by by a a hyphen;hyphen; c)
c) the size codthe size code from the relevant e from the relevant table (see Tables table (see Tables 1 through 6) 1 through 6) and “A” or “B” and “A” or “B” for the inside for the inside diameterdiameter tolerance class, followed by a hyphen;
tolerance class, followed by a hyphen; d)
d) the nominal the nominal inside diameter ainside diameter and cross-section nd cross-section dimensions, separated by dimensions, separated by an “an “××” and followed by a” and followed by a hyphen;
hyphen; e)
e) the the grade letter grade letter (N, S (N, S or CS), or CS), in in accordance with accordance with ISO 3601-3.ISO 3601-3.
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EXAMPLE
EXAMPLE 1 1 O-ring-ISO3601-1-011A-7,O-ring-ISO3601-1-011A-7,6565××1,78-S1,78-S EXAMPLE
EXAMPLE 2 2 O-ring-ISO3601-1-125B-32O-ring-ISO3601-1-125B-32,99,99××2,62-N2,62-N 7.2
7.2 O-rings for aerospace applications that conform to this part of ISO 3601 shall be designated as follows:O-rings for aerospace applications that conform to this part of ISO 3601 shall be designated as follows: a)
a) the the word word “O-ring” “O-ring” followed followed by by a a hyphen;hyphen; b)
b) “ISO3601-1” followed “ISO3601-1” followed by the by the letter “A” letter “A” (to designate (to designate an aerospace an aerospace application), followed application), followed by a by a hyphen;hyphen; c)
c) the size the size code from the code from the relevant table relevant table (see Tables (see Tables 7 through 7 through 11), followed 11), followed by a by a hyphen;hyphen; d)
d) the nominal the nominal inside diameter inside diameter and cross-section and cross-section dimensions, separated by dimensions, separated by an “an “××” and followed by a” and followed by a hyphen;
hyphen; e)
e) the the grade letter grade letter (N, S (N, S or CS), or CS), in in accordance with accordance with ISO 3601-3.ISO 3601-3. EXAMPLE
EXAMPLE 1 1 O-ring-ISO3601-1A-C05O-ring-ISO3601-1A-C0545-54,545-54,5××3,55-S3,55-S EXAMPLE
EXAMPLE 2 2 O-ring-ISO3601-1A-D12O-ring-ISO3601-1A-D1250-12550-125××5,3-CS5,3-CS
8
8 Methods
Methods of
of measuring
measuring for
for receiving
receiving inspection
inspection
When it is necessary to inspect O-rings that conform to this part of ISO 3601 at the time of customer receipt, When it is necessary to inspect O-rings that conform to this part of ISO 3601 at the time of customer receipt, the inspection procedure shall be agreed upon by the supplier and purchaser at the time of order. Annex B the inspection procedure shall be agreed upon by the supplier and purchaser at the time of order. Annex B provides possible methods for such a procedure for information.
provides possible methods for such a procedure for information.
9
9 Identification
Identification statement
statement (reference to this part of ISO 3601)
(reference to this part of ISO 3601)
Manufacturers are strongly recommended to use the following statement in test reports, catalogues and sales Manufacturers are strongly recommended to use the following statement in test reports, catalogues and sales literature when electing to comply with this part of ISO 3601:
literature when electing to comply with this part of ISO 3601:
“O-ring inside diameters, cross-sections, tolerances and designation code are in accordance with “O-ring inside diameters, cross-sections, tolerances and designation code are in accordance with ISO 3601-1:2008,
ISO 3601-1:2008, Fluid power systemsFluid power systems — O-rings— O-rings — Part 1: Inside diameters, cross-sections, tolerances and— Part 1: Inside diameters, cross-sections, tolerances and designation codes.
designation codes.””
Table 1 — Size code, size, inside diameter and inside diameter tolerances of class A and class B Table 1 — Size code, size, inside diameter and inside diameter tolerances of class A and class B
O-rings for general industrial applications — O-rings for general industrial applications — Cross-section diameter,
Cross-section diameter,d d 22,, of 1,02 mm, 1,27 mm and 1,52 mmof 1,02 mm, 1,27 mm and 1,52 mm
Inside
Inside diameter diameter Cross-section Cross-section diameterdiameter Tolerance Tolerance mm mm Tolerance Tolerance in in Volume Volume ref. ref. Size Size code
code SizeSize
d d 1 1 nom. nom. mm
mm ClassClass AA CCllaassss BB
d d 1 1 nom. nom. in
in ClClasass As A ClClasass Bs B
d d 2 2 nom. nom. mm mm Tol. Tol. d d 2 2 nom. nom. in in Tol. Tol. cm cm33 inin33 001 001 0,740,74×× 1,02 1,02 00,,774 4 00,,00229 9 11,,0022 00,,00440 0 00,,00005 5 00,,00000 0 33 002 002 1,071,07×× 1,27 1,27 11,,007 7 00,,00442 2 11,,2277 00,,00550 0 00,,00110 0 00,,00000 0 66 003 003 1,421,42×× 1,52 1,52 1,421,42 ± ± 0,10 0,10 ±± 0,12 0,12 0,056 0,056 ± ± 0,004 0,004 ±± 0,005 0,005 1,52 1,52 ± ± 0,08 0,08 0,060 0,060 ± ± 0,003 0,003 0,016 0,016 0,001 0,001 00
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Table 2 — Size code, size, inside diameter and inside diameter tolerances of class A and class B Table 2 — Size code, size, inside diameter and inside diameter tolerances of class A and class B
O-rings for general industrial applications — O-rings for general industrial applications — Cross-section diameter, Cross-section diameter,d d 2 2, of 1,78 mm, of 1,78 mm±±0,08 mm (0,070 in0,08 mm (0,070 in±±0,003 in)0,003 in) Inside diameter Inside diameter Tolerance Tolerance mm mm Tolerance Tolerance in in Volume Volume ref. ref. Size Size code
code SizeSize
d d 1 1 nom. nom. mm
mm Class AClassA CCllaassss BB
d d 1 1 nom. nom. in
in Class Class A A Class BClass B cmcm33 inin33
004 004 1,781,78×× 1,78 1,78 11,,778 8 00,,007700 00,,00228 8 00,,00001 1 77 005 005 2,572,57×× 1,78 1,78 22,,557 7 00,,110011 00,,00334 4 00,,00002 2 11 006 006 2,902,90×× 1,78 1,78 2,902,90 ± ± 0,13 0,13 0,114 0,114 ± ± 0,005 0,005 0,036 0,036 0,002 0,002 22 007 007 3,683,68×× 1,78 1,78 3,683,68 ±± 0,14 0,14 00,,114455 00,,00443 3 00,,00002 2 66 008 008 4,474,47×× 1,78 1,78 44,,447 7 00,,117766 00,,00449 9 00,,00003 3 00 009 009 5,285,28×× 1,78 1,78 5,285,28 ±± 0,15 0,15 00,,220088 00,,00556 6 00,,00003 3 44 010 010 6,076,07×× 1,78 1,78 6,076,07 ±± 0,16 0,16 0,2390,239 ± ± 0,006 0,006 0,061 0,061 0,003 0,003 77 011 011 7,657,65×× 1,78 1,78 7,657,65 ±± 0,17 0,17 00,,330011 00,,00774 4 00,,00004 4 55 012 012 9,259,25×× 1,78 1,78 9,259,25 ±± 0,18 0,18 0,3640,364 ±± 0,007 0,007 0,085 0,085 0,005 0,005 22 013 013 10,8210,82×× 1,78 1,78 10,8210,82 ±± 0,20 0,20 00,,442266 00,,00998 8 00,,00006 6 00 014 014 12,4212,42×× 1,78 1,78 12,4212,42 ± ± 0,13 0,13 ± ± 0,21 0,21 0,4890,489 ± ± 0,005 0,005 ± ± 0,008 0,008 0,111 0,111 0,006 0,006 88 015 015 14,0014,00×× 1,78 1,78 14,0014,00 ±± 0,18 0,18 ±± 0,22 0,22 0,5510,551 ±± 0,007 0,007 0,123 0,123 0,007 0,007 55 016 016 15,6015,60×× 1,78 1,78 15,615,6 ±± 0,23 0,23 0,6140,614 ±± 0,009 0,009 0,136 0,136 0,008 0,008 33 017 017 17,1717,17×× 1,78 1,78 17,1717,17 ±± 0,24 0,24 00,,667766 00,,11447 7 00,,00009 9 00 018 018 18,7718,77×× 1,78 1,78 18,7718,77 ±± 0,26 0,26 0,7390,739 ±± 0,010 0,010 0,161 0,161 0,009 0,009 88 019 019 20,3520,35×× 1,78 1,78 20,3520,35 ±± 0,27 0,27 00,,880011 00,,11772 2 00,,00110 0 55 020 020 21,9521,95×× 1,78 1,78 21,9521,95 ±± 0,28 0,28 00,,886644 00,,11885 5 00,,00111 1 33 021 021 23,5223,52×× 1,78 1,78 23,5223,52 ± ± 0,23 0,23 ± ± 0,29 0,29 0,9260,926 ± ± 0,009 0,009 ± ± 0,011 0,011 0,197 0,197 0,012 0,012 00 022 022 25,1225,12×× 1,78 1,78 25,1225,12 ±± 0,30 0,30 00,,998899 00,,22110 0 00,,00112 2 88 023 023 26,7026,70×× 1,78 1,78 26,726,7 ±± 0,31 0,31 1,0511,051 ±± 0,012 0,012 0,223 0,223 0,013 0,013 66 024 024 28,3028,30×× 1,78 1,78 28,328,3 ± ± 0,25 0,25 ± ± 0,33 0,33 1,1141,114 ± ± 0,010 0,010 0,234 0,234 0,014 0,014 33 025 025 29,8729,87×× 1,78 1,78 29,8729,87 ±± 0,34 0,34 1,1761,176 ±± 0,013 0,013 0,247 0,247 0,015 0,015 11 026 026 31,4731,47×× 1,78 1,78 31,4731,47 ±± 0,35 0,35 1,2391,239 ±± 0,014 0,014 0,259 0,259 0,015 0,015 88 027 027 33,0533,05×× 1,78 1,78 33,0533,05 ± ± 0,28 0,28 ± ± 0,36 0,36 1,3011,301 ± ± 0,011 0,011 0,272 0,272 0,016 0,016 66 028 028 34,6534,65×× 1,78 1,78 34,6534,65 ±± 0,37 0,37 1,3641,364 ±± 0,015 0,015 0,283 0,283 0,017 0,017 33 029 029 37,8237,82×× 1,78 1,78 37,8237,82 ±± 0,39 0,39 11,,448899 00,,33008 8 00,,00118 8 88 030 030 41,0041,00×× 1,78 1,78 41,0041,00 ± ± 0,33 0,33 ± ± 0,42 0,42 1,6141,614 ± ± 0,013 0,013 ± ± 0,016 0,016 0,334 0,334 0,020 0,020 44 031 031 44,1744,17×× 1,78 1,78 44,1744,17 ±± 0,44 0,44 1,7391,739 ±± 0,017 0,017 0,359 0,359 0,021 0,021 99 032 032 47,3547,35×× 1,78 1,78 47,3547,35 ±± 0,38 0,38 ±± 0,46 0,46 1,8641,864 ±± 0,015 0,015 ±± 0,018 0,018 0,383 0,383 0,023 0,023 44
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Table 2
Table 2 ((continued continued )) Inside diameter Inside diameter Tolerance Tolerance mm mm Tolerance Tolerance in in Volume Volume ref. ref. Size Size code
code SizeSize
d d 1 1 nom. nom. mm
mm ClassClass A ClassA Class BB
d d 1 1 nom. nom. in
in Class AClass A Class BClass B cmcm33 inin33 033 033 50,5250,52×× 1,78 1,78 50,5250,52 ±± 0,48 0,48 1,9861,986 ±± 0,019 0,019 0,408 0,408 0,024 90,024 9 034 034 53,7053,70×× 1,78 1,78 53,7053,70 ±± 0,51 0,51 2,1142,114 ±± 0,020 0,020 0,433 0,433 0,026 40,026 4 035 035 56,8756,87×× 1,78 1,78 56,8756,87 ±± 0,53 0,53 2,2392,239 ±± 0,021 0,021 0,457 0,457 0,027 90,027 9 036 036 60,0560,05×× 1,78 1,78 60,0560,05 ±± 0,55 0,55 2,3642,364 ±± 0,022 0,022 0,482 0,482 0,029 40,029 4 037 037 63,2263,22×× 1,78 1,78 63,2263,22 ± ± 0,46 0,46 ± ± 0,57 0,57 2,4892,489 ± ± 0,018 0,018 0,506 0,506 0,030 90,030 9 038 038 66,4066,40×× 1,78 1,78 66,4066,40 ±± 0,59 0,59 2,6142,614 ±± 0,023 0,023 0,533 0,533 0,032 50,032 5 039 039 69,5769,57×× 1,78 1,78 69,5769,57 ±± 0,62 0,62 2,7392,739 ±± 0,024 0,024 0,557 0,557 0,034 00,034 0 040 040 72,7572,75×× 1,78 1,78 72,7572,75 ± ± 0,51 0,51 ± ± 0,64 0,64 2,8642,864 ± ± 0,020 0,020 ± ± 0,025 0,025 0,582 0,582 0,035 50,035 5 041 041 75,9275,92×× 1,78 1,78 75,9275,92 ±± 0,66 0,66 2,9892,989 ±± 0,026 0,026 0,606 0,606 0,037 00,037 0 042 042 82,2782,27×× 1,78 1,78 82,2782,27 ±± 0,70 0,70 3,2393,239 ±± 0,028 0,028 0,655 0,655 0,040 00,040 0 043 043 88,6288,62×× 1,78 1,78 88,6288,62 ± ± 0,61 0,61 ± ± 0,75 0,75 3,4893,489 ± ± 0,024 0,024 ± ± 0,029 0,029 0,705 0,705 0,043 00,043 0 044 044 94,9794,97×× 1,78 1,78 94,9794,97 ±± 0,79 0,79 3,7393,739 ±± 0,031 0,031 0,755 0,755 0,046 10,046 1 045 045 101,32101,32×× 1,78 1,78 101,32101,32 ±± 0,69 0,69 ±± 0,83 0,83 3,9893,989 ±± 0,027 0,027 ±± 0,033 0,033 0,805 0,805 0,049 10,049 1 046 046 107,67107,67×× 1,78 1,78 107,67107,67 ±± 0,88 0,88 4,2394,239 ±± 0,035 0,035 0,854 0,854 0,052 10,052 1 047 047 114,02114,02×× 1,78 1,78 114,02114,02 ±± 0,92 0,92 4,4894,489 ±± 0,036 0,036 0,903 0,903 0,055 10,055 1 048 048 120,37120,37×× 1,78 1,78 120,37120,37 ± ± 0,76 0,76 ± ± 0,96 0,96 4,7394,739 ± ± 0,030 0,030 ± ± 0,038 0,038 0,952 0,952 0,058 10,058 1 049 049 126,72126,72×× 1,78 1,78 126,72126,72 ±± 1,01 1,01 4,9894,989 ±± 0,040 0,040 1,003 1,003 0,061 20,061 2 050 050 133,07133,07×× 1,78 1,78 133,07133,07 ±± 0,94 0,94 ±± 1,05 1,05 5,2395,239 ±± 0,037 0,037 ±± 0,041 0,041 1,052 1,052 0,064 20,064 2 051 051 through through 101 101 unassigned unassigned –– –– –– –– –– –– –– –– –– –– –– –– –– –– ––––
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Table 3 — Size code, size, inside diameter and inside diameter tolerances of class A Table 3 — Size code, size, inside diameter and inside diameter tolerances of class A
and class B O-rings for general industrial applications — and class B O-rings for general industrial applications — Cross-section diameter,
Cross-section diameter,d d
2
2, of 2,62 mm, of 2,62 mm ±±0,08 mm (0,103 in0,08 mm (0,103 in ±±0,003 in) for class A O-rings0,003 in) for class A O-rings
and cross-section diameter,
and cross-section diameter,d d 22, of 2,62 mm, of 2,62 mm ±±0,09 mm (0,103 in0,09 mm (0,103 in ±±0,004 in) for class0,004 in) for class B O-ringsB O-rings
Inside diameter Inside diameter Tolerance Tolerance mm mm Tolerance Tolerance in in Volume Volume ref. ref. Size Size code
code SizeSize
d d 1 1 nom. nom. mm
mm ClassClass AA CCllaassss BB
d d 1 1 nom. nom. in
in Class AClass A Class BClass B cmcm33 inin33
102 102 1,241,24×× 2,62 2,62 1,241,24 ±± 0,12 0,12 00,,004499 00,,00666 6 00,,00004 4 00 103 103 2,062,06×× 2,62 2,62 22,,006 6 00,,008811 00,,00779 9 00,,00004 4 88 104 104 2,842,84×× 2,62 2,62 2,842,84 ± ± 0,13 0,13 0,112 0,112 ± ± 0,005 0,005 0,092 0,092 0,005 0,005 66 105 105 3,633,63×× 2,62 2,62 3,633,63 ±± 0,14 0,14 00,,114433 00,,11005 5 00,,00006 6 44 106 106 4,424,42×× 2,62 2,62 44,,442 2 00,,117744 00,,11220 0 00,,00007 7 33 107 107 5,235,23×× 2,62 2,62 5,235,23 ±± 0,15 0,15 00,,220066 00,,11333 3 00,,00008 8 11 108 108 6,026,02×× 2,62 2,62 6,026,02 ±± 0,16 0,16 0,2370,237 ± ± 0,006 0,006 0,146 0,146 0,008 0,008 99 109 109 7,597,59×× 2,62 2,62 7,597,59 ±± 0,17 0,17 00,,229999 00,,11772 2 00,,00110 0 55 110 110 9,199,19×× 2,62 2,62 9,199,19 ±± 0,18 0,18 0,3620,362 ±± 0,007 0,007 0,200 0,200 0,012 0,012 22 111 111 10,7710,77×× 2,62 2,62 10,7710,77 ±± 0,20 0,20 00,,442244 00,,22226 6 00,,00113 3 88 112 112 12,3712,37×× 2,62 2,62 12,3712,37 ± ± 0,13 0,13 ± ± 0,21 0,21 0,4870,487 ± ± 0,005 0,005 ± ± 0,008 0,008 0,252 0,252 0,015 0,015 44 113 113 13,9413,94×× 2,62 2,62 13,9413,94 ±± 0,18 0,18 ±± 0,22 0,22 0,5490,549 ±± 0,007 0,007 0,280 0,280 0,017 0,017 11 114 114 15,5415,54×× 2,62 2,62 15,5415,54 ±± 0,23 0,23 0,6120,612 ±± 0,009 0,009 0,306 0,306 0,018 0,018 77 115 115 17,1217,12×× 2,62 2,62 17,1217,12 ±± 0,24 0,24 00,,667744 00,,33333 3 00,,00220 0 33 116 116 18,7218,72×× 2,62 2,62 18,7218,72 ± ± 0,23 0,23 ± ± 0,26 0,26 0,7370,737 ± ± 0,009 0,009 ± ± 0,010 0,010 0,361 0,361 0,022 0,022 00 117 117 20,2920,29×× 2,62 2,62 20,2920,29 ±± 0,27 0,27 00,,779999 00,,33887 7 00,,00223 3 66 118 118 21,8921,89×× 2,62 2,62 21,8921,89 ±± 0,28 0,28 00,,886622 00,,44115 5 00,,00225 5 33 119 119 23,4723,47×× 2,62 2,62 23,4723,47 ±± 0,29 0,29 0,9240,924 ± ± 0,011 0,011 0,441 0,441 0,026 0,026 99 120 120 25,0725,07×× 2,62 2,62 25,0725,07 ±± 0,30 0,30 00,,998877 00,,44667 7 00,,00228 8 55 121 121 26,6426,64×× 2,62 2,62 26,6426,64 ±± 0,31 0,31 1,0491,049 ±± 0,012 0,012 0,495 0,495 0,030 0,030 22 122 122 28,2428,24×× 2,62 2,62 28,2428,24 ± ± 0,25 0,25 ± ± 0,33 0,33 1,1121,112 ± ± 0,010 0,010 0,521 0,521 0,031 0,031 88 123 123 29,8229,82×× 2,62 2,62 29,8229,82 ±± 0,34 0,34 1,1741,174 ±± 0,013 0,013 0,547 0,547 0,033 0,033 44 124 124 31,4231,42×× 2,62 2,62 31,4231,42 ±± 0,35 0,35 11,,223377 00,,55775 5 00,,00335 5 11 125 125 32,9932,99×× 2,62 2,62 32,9932,99 ±± 0,36 0,36 1,2991,299 ±± 0,014 0,014 0,601 0,601 0,036 0,036 77 126 126 34,5934,59×× 2,62 2,62 34,5934,59 ±± 0,37 0,37 11,,336622 00,,66228 8 00,,00338 8 33 127 127 36,1736,17×× 2,62 2,62 36,1736,17 ±± 0,38 0,38 11,,442244 00,,66555 5 00,,00440 0 00 128 128 37,7737,77×× 2,62 2,62 37,7737,77 ± ± 0,30 0,30 ± ± 0,39 0,39 1,4871,487 ± ± 0,012 0,012 ± ± 0,015 0,015 0,682 0,682 0,041 0,041 66 129 129 39,3439,34×× 2,62 2,62 39,3439,34 ±± 0,40 0,40 11,,554499 00,,77008 8 00,,00443 3 22 130 130 40,9440,94×× 2,62 2,62 40,9440,94 ±± 0,42 0,42 1,6121,612 ±± 0,016 0,016 0,736 0,736 0,044 0,044 99 131 131 42,5242,52×× 2,62 2,62 42,5242,52 ±± 0,43 0,43 11,,667744 00,,77662 2 00,,00446 6 55 132 132 44,1244,12×× 2,62 2,62 44,1244,12 ±± 0,44 0,44 1,7371,737 ±± 0,017 0,017 0,790 0,790 0,048 0,048 22 133 133 45,6945,69×× 2,62 2,62 45,6945,69 ±± 0,45 0,45 11,,779999 00,,88116 6 00,,00449 9 88 134 134 47,2947,29×× 2,62 2,62 47,2947,29 ± ± 0,38 0,38 ± ± 0,46 0,46 1,8621,862 ± ± 0,015 0,015 ± ± 0,018 0,018 0,842 0,842 0,051 0,051 44
