material selection installation 12 high-quality products with … · 2017-04-13 · material...

High-Quality Products with Global RecognitionNOK Precision Moldings & O-Rings Division had been audited based on the International Quality Assurance Standard and was awarded the ISO9001 certification.The ISO9001 certification is used by NOK as a benchmark to continously aim for improvement on quality and further enhance the foundation for reliability and trustworthiness.

Precision Moldings & O-Rings Division : ISO9001 certified (in Oct. 1998)

NOK Precision Moldings & O-Rings Division : 2089 Nagakusa, Aso City, Kumamoto Prefecture, Japan

ISO 9001 Certified Quality Management System

1

1. Introduction ———————————————————————————————————————————————— 2

2. O-Ring Selection —————————————————————————————————————————————————— 6

3. Sealing Mechanism————————————————————————————— 6

4. Types of O-Ring————————————————————————————————————————————— 7

5. Material Selection——————————————————————————————————————————— 8

6. Standard Rubber Material Properties ——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————— 10

7. O-Ring Design—————————————————————————————————————————————— 14

8. Design Standard of Mating Parts ——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————— 16

9. Chamfer Design Standard for Hole and Shaft ————————— 18

10. Special Application ———————————————————————————————————————— 18

11. Installation —————————————————————————————————————————————————— 19

12. Storage & Shelf Life——————————————————————————————————————— 19

13. Placing Orders ————————————————————————————————————————————— 20

14. JIS Codes for O-Rings ——————————————————————————————————— 20

15. Standard O-Ring Catalogue —————————————————————————————— 21 JIS P series ———————————————————————————————————————————————— 22 JIS G series ——————————————————————————————————————————————— 30 NOK S series —————————————————————————————————————————————— 34 NOK SS series ———————————————————————————————————————————— 36 JIS V series ———————————————————————————————————————————————— 37 (Old ARP568) AS568 series —————————————————————————————— 38 Old JASO of φ1.9 series—————————————————————————————————— 46 Old JASO of φ2.4 series—————————————————————————————————— 48 Old JASO of φ3.1 series —————————————————————————————————— 50 Old JASO of φ3.5 series—————————————————————————————————— 52 General Industrial series (ISO equivalent) ——————————————— 54 NOK WEX series (Water application)————————————————————— 57 NOK IRON RUBBER P, G series ————————————————————————— 58 Backup Rings (JIS equivalent) ——————————————————————————— 60 NOK SP Treatment Series———————————————————————————————— 64

16. Surface Treatment of O-Rings ——————————————————————————— 65

17. Joint O-Ring ———————————————————————————————————————————————— 65

18. 'FP64' material (Improved Chemical & Solvent Resistance) ——————— 66

19. KLUEBER Lubricants for Seals —————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————— 67

20. Reference Data ———————————————————————————————————————————— 68

21. Other Design Standard of Mating Parts —————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————— 75

22. Simplified Dimension Table —————————————————————————————— 83

23. NOK PRODUCTS LINE UP—————————————————————————————— 92

Appendix ———————————————————————————————————————————————————— 94

1. 2. 3. 4. 5. 6. 7. 8. 9.10.11.12.13.14.15.

16.17.18.19.20.21.22.

【Contents】 123456789101112131415

16171819202122

Page

NEW

2 3

1. Introduction(1) To seal fluid or pressure O-Ring is a typical sealing product, which works on compression stress.

It is said that the first known O-ring was made of cast iron when it was applied to cylinders for steam engines in the middle of the 19th century.Then in the 1940's, elastic natural rubber was introduced. However, presently the most widely used mainstream material is synthetic rubber. It can be used to seal gas, water, oil and various types of fluid.

O-ring is also one of the important components in the hydraulic system and they are used in many fields e.g., airplanes during World War II.Due to its high reliability and performance, it is also used in pneumatic and hydraulic equipments. To maintain its high performance, appropriate usage and set-up are important. Material selection and its quality are also important.

NOK established Shonan R&D Center in order to improve its material technology, which has been continuously built up over the years. Shonan R&D Center has the ability to develop materials to meet various applications and requirements.

NOK is continuously working hard to produce reliable and high quality O-Rings to meet the ever changing and sophisticated customer requirements.

(2) Features of NOK O-Ring a.) Varieties of Materials (More than 200 types of materials are available)NOK has a wide range of materials to meet requirement for almost all applications.NOK always recommends the best material according to usage conditions.

b.) NOK Original MaterialNOK develops original materials that meet JIS specifications.NOK develops these materials using material technology that utilizes polymer's or chemical's characteristic

c.) Stringent & Integrated Quality Control SystemNOK's quality control process begins with raw material controls from the time of receiving chemicals, polymers and carbons.The production processes of NOK O-rings are conducted under stringent & integrated quality controls systems at each stage.

d.) High Testing and Analysis Capabilities NOK conducts material tests such as original property, compression set and oil resistance.In addition to that, NOK also conducts extensive internal analysis on sealing performance.NOK supports customers' development through the accumulated experience and various test facilities according to usage conditions or test specifications.

e.) High-Quality & Global Recognition NOK O-Ring has been used for construction, agriculture, general industry as well as automotive industry.It contributes to a wide range of industries and activities all over the world.

1 1

: NOK or NOK group products

O-Rings, Square-Rings etc.

O-Rings, D-Rings etc.

Rubber Gaskets

Metallic O-Rings

Rubber-CoatedMetal Gaskets

Flat Metal Gaskets(includes rubber-coated versions)

Miscellaneous(Diaphragms, Bellows)

Paper Gaskets

Liquid Gasket Sealants

Non-metallic gaskets

Metallic gaskets

Mold packing

Mechanical Seals

Labyrinth Seals

Magnetic Fluid Seals

Oil sealsContacting Seals

Non-contactingSeals

Lip Packings(U-cup seals, V-packings)

Gland Packings

Static Seals(Gaskets)

Dynamic Seals(Packings)

Sealing equipment(Seals)

[Seal classification]

4 5

(3) Production Process Flow of NOK O-Ring (4) Design terms of O-RingThe production process, commencing from receiving raw materials to packaging of products as follows:

* Inspection is conducted at every process. A production lot number is allotted to trace production history from raw material to complete product.* Production process of Polyurethane O-rings are different from above.

1 1

Compounding/Mixing ProcessRubber compound is made by mixing Polymer, Carbon and Chemicals.

OK OK OK

Extruding/ Blanking ProcessRubber compound is formed to a certain shape so that it can be ready to use at the production line.

Curing Process (=Molding Process)Rubber Material is placed inside the mold. It is cured at specified temperature, pressure and time.

Deflashing ProcessBurr at the parting line of the mold is removed during deflashing process.

OK OK OK

Post Curing ProcessAn optional process, depending on the material. Post curing is conducted so that material properties can be stabilized.

Inspection/Shipment

OK OK OK

W

Cross s

ection

(CS)

H(H

eigh

t)

W Cross section (CS)

φd0

Inside

diamete

r (ID)

Fig.1-1 O-Ring (OR) Fig.1-2 How to use O-Ring

Term Calculation formula Schematic diagram

Compression value（mm）

Compression ratio（%）

Filling ratio（%）

Piston seal

ID elongation ratio（%）

Rod seal

OD interference ratio（%）

σ＝W−H

σ ×100W π/4×W 2

　G×H ×100

D1−d0 ×100d 0

d 0＋2W−D2 ×100d 0＋2W

φd0（OR ID）

φD2（Groove OD）

φd0（OR ID）W（OR CS）

W（OR CS）

φD1（Groove ID）

H（Groove height）σ（Compression value）

　G （Groove width）

(1) O-Ring for Cylindrical surface

Term Calculation formula Schematic diagram

Compression value（mm）

Compression ratio（%）

Filling ratio（%）

σ＝W−H

σ ×100W

π/4×W 2

　G×H ×100

H

（Groove depth）

σ（Compression value）

G（Groove width）

W （OR CS）

(2) O-Ring for Flat face

6 7

2. O-Ring Selection 4. Types of O-Ring

3. Sealing Mechanism

2 3

4

O-Ring is a ring packing with round shape cross section. It works on the basis of moderate compressivestress in a groove. It seals oil, water, air, gas or various liquid.It can be used as dynamic or static seal. O-Ring has various failure modes e.g., O-ring breaks, swelling, crack byexcessive compression and if usage conditions are inappropriate.To have a good performance in sealing function, selection of suitable material and correct dimensions are necessary according to usage conditions.To select an O-Ring, we need to consider the factors given in Table 1-1.

Table 2-1 shows the different types of NOK O-Rings.NOK O-Ring standard dimensions are of JIS/ P/G/V series, ISO Equivalent, Old JASO, AS, NOK S/SS series, and NOK Iron-rubber P/G series.

[Reference]Seals with different cross section from O-shape are introduced in the Table 2-2.Please consult NOK for more detailed information.

(1) Sealing mechanism of O-RingO-Ring maintains sealing function by using reaction force of compressive stress.

(2) Characteristics of the materials required

Please consult NOK, in case of exceptions from the factors mentioned.

O-Ring installed into groove

O-Ring compressed (compression value maintained)

Reaction force generated by rubber resilience

Liquid sealed * �Maintaining�reaction�force�‘P0’�creates�sealing�function, in the case of non-pressure.

●Reaction force without pressure接触幅

P0

When the O-Ring is being squeezed or compressed, stress is generated in the rubber material.O-Ring is required to have a proper compression ratiowithout any abnormal deformation.Synthetic rubber is the best material for this characteristics.One material alone cannot fulfill all requirements,so materials should be chosen accordingly to specific application.NOK has all kinds of materials available

basic characteristic (proper compression

stress)

hot and cold resistance

oil resistance

chemical resistance

permanent set at low compression

weather resistance

wear resistance

Table 2-1Application

Type General machinery Vehicle Aircraft

O-Ring

Stan

dard

JIS B 2401-1ISO

Equivalent (general

industries)

NOK Iron rubber P/G standard (accord with JIS B 2401)

NOK S/SS standard Old JASO F404 AS568

（Old ARP568）

Sort

acco

rdin

g to

mat

eria

l JIS symbol Characteristic Material symbol Material symbol Material

symbolJASO

symbol Characteristic Material symbol

NBR-70-1

NBR-90

NBR-70-2

VMQ-70

FKM-70

Mineral oil resistanceMineral oil resistanceGasoline resistance

Heat resistance

Heat resistance

A305U565U801

A305F201

Class 1A---

Class 2Class 3Class 4CClass 4DClass 4EClass 5 H*

General mineral oil resistance—

Gasoline resistanceVegetable oil resistanceHeat resistanceHeat resistanceHeat resistanceCoolant resistanceWear resistance

A305A105F201

Sort

acco

rdin

g to

ap

plic

atio

n

・P series ( dynamic/static)・G series (static)・V series (vacuum flange)

Static

・P series ( dynamic/static)・G series (static)

・S series* (static at low pressure)・SS series* (static at low pressure)

Cross-section diameter ø1.9 series (Old 1000 series)Cross-section diameter ø2.4 series (Old 2000 series)Cross-section diameter ø3.1 seriesCross-section diameter ø3.5 series (Old 3000 series) (All dynamic/static)

Static (Old AN6227 for dynamic)

Shape/Dimension of Mating Portion

JIS B 2401-2(dynamic/static)JIS B 2290(vacuum flange)

—JIS B 2401-2 ( dynamic/

static)

NOK S standard

NOK SS standard

JASO F404 —

Backup Ring

Equivalence to JIS B 2401-4

— — —T1

T2

T3

(Spiral type)

(Bias cut type)

(Endless type)

Note: NOK S/SS series are designed for smaller hardware.Note: JIS standards for aircraft applications such as W1516, W1517, W2006, W1537 and W1538 have been obsoletedMaterial 'H' is a symbol of H-NBR (Hydrogenated Nitrile Rubber) in NOK material code.

Table 2-2O-Ring Square-Ring D-Ring X-Ring

Shape

Cylindrical surface

Reciprocating ○ — ◎ ◎Static ○ — — —

Flat face static ○ ◎ — —Application General Static Reciprocating Low friction

Characteristic —High reaction force/

Good sealing function

Twist resistance/ Small groove width

Twist resistance/ Low friction

Table 1-1Factor Page Purpose

Operating temperature 8 Material selectionMedium to be sealed 9Pressure 15 Material selection, Backup ring is required or not

Application (static or dynamic)

22-59,64

Dynamic: JIS P, Old JASO, WEX Series NOK Iron rubber P/G Series Static : JIS P/G/V, NOK S/SS, AS568, Old JASO Series ISO Equivalent, WEX, NOK Iron rubber P/G Series SP Treatment Series

Contact band

NOK O-Ring Material Hard-ness

Target usage temperature *1

（℃） Main application

Appli-cation series

JIS/JASOsymbol

Lubricant oil Hydraulic oil Fuel oil Water Coolant Chemical Gas Others

Engi

ne o

ilG

ear o

ilM

achi

ne o

ilSp

indl

e oi

lRe

frigera

tor oi

l (mine

ral oi

l)C

up g

reas

eLi

thiu

m g

reas

eSi

licon

e gr

ease

Turb

ine

oil

Oil &

wate

r emu

lsion

Wat

er &

gly

col

Phos

phat

e es

ter o

ilSi

licon

oil

Brake�fluid

Torq

ue c

onve

rter o

ilD

iese

l & k

eros

ene

Hea

vy o

ilG

asol

ine

Less�than�60℃

Less�than�100℃

Less�than�150℃

Cool

ant w

ater

( LLC

)Wa

ter-ba

sed m

achin

ing oi

l20

% s

alt s

olut

ion

30%

sulfu

ric ac

id so

lution

10%

nitric

acid

solut

ion30%

sodiu

m hydr

oxide

solutio

nBe

nzen

eTr

ichl

oro

ethy

lene

Alco

hol

Ethy

lene

gly

col

Acet

one

Liquefied�p

etrole

um�ga

sC

oal g

asO

zone

(atm

osph

ere)

Freo

n R

134a

Food

San

itatio

n Law

*2

Wat

er L

aw*3

Vacuu

m atmo

sphere

- 10-4 mm

HgVa

cuum

10-4 - 1

0-9mm

Hg

Material name (material symbol) Characteristic Material

symbol （Duro A）Numbers in brackets ( ) are Max values

−50℃ 0℃ 100℃ 200℃

Nitrile rubber（NBR）

Most common material used in O-Ring, which has the best balance of performance and processibility.

A402 60 StandardA122 70 Fuel JIS・JASO JIS NBR-70-2/

JASO class 2A305 70 Standard JIS・JASO・

AS・ISO・S・SSJIS NBR-70-1/JASO class 1-A

A746 70 LPGA908 70 Fuel equivalent to JIS NBR-

70-2/ to JASO class 2A980 80 Cold resistanceA105 90 Standard JIS・AS JIS NBR-90

Ethylene propylene rubber（EPDM）

This material has good ozone and heat resistance.Also, good for steam, cold and coolant resistance.

E270 50 Low�coefficient�of�friction for water

E622 60 Low�coefficient�of�friction for water

E116 70 Water (Standard), Brake�fluid JASO equivalent to JIS EPDM-70/ JASO class 5

E575(violet) 70 Water, Chloric WEXE700 70 Water WEXE340 80 Brake�fluidE619 90 Brake�fluid equivalent to JIS

EPDM-90

Silicon rubber（VMQ）

For better heat and cold resistance.Moreover, this is good for lubricant or water.

S532(blue) 60 StandardS503(blue) 70 Standard JIS・JASO JIS VMQ-70/

JASO class 4C S740(red) 70 Hydrolysis resistanceS811(red) 70 Standard equivalent to JIS VMQ-

70/ to JASO class 4CFluoro silicon rubber（FVMQ） In addition to VMQ characteristic,

this has fuel oil resistance. S924(green) 70 Fuel

Hydrogenated nitrile rubber

（HNBR）

With better heat, oil resistance,physical toughness and compression set than NBR,

G636 60 StandardG607 70 Standard equivalent to JIS

HNBR-70G861 75 Freon (R134a)G859 80 Freon (R134a)G506 90 Standard equivalent to JIS

HNBR-90G588 95 High pressure

Fluoro rubber（FKM）Most common used compound rubber with best heat, oil and fuel resistance.

F320 60 Low compression setF201 70 Low compression

set, Standard JIS・JASO・AS・S・SS

JIS FKM-70/JASO class 4D

FP29 70 Hot water WEX FP739(brown) 70 Hot water WEX

F274 75 Wear resistanceFL25 80 Low temperature, FuelFL68 80 Low temperature, FuelF753 80 Wear resistanceF357 90 Wear resistanceF940 90 Standard equivalent to JIS

FKM-90

Acrylic rubber（ACM）

Heat resistance is better than NBR.This has special resistance toengine oil, gear oil and torque converter oil

T134 60 Low compression setT222(brown) 70 Low compression set

T667 70 Low compression setT767 70 Standard JASO equivalent to JIS ACM-

70/JASO class 4EChloroprene rubber（CR）This has good physically toughness

and�flexural�fatigue�resistance. M352 70 StandardButyl rubber（IIR） This has the lowest gas permeability

rate in rubber materials. B383 75 Standard, Low gas permeability Styrene-butadiene rubber（SBR） This has wear resistance, good processibility

and good balance of performance. R189 70 Brake�fluid JASO JASO class 3

Polyurethane rubber（AU）

This has high hardness and elasticity, with physically good toughness and wear resistance.

U565 90 High pressure Iron Rubber

U801(milky white) 94 High pressure Iron Rubber

8 9

−26 100（120）

−22 80（100）

−24 100（120）

−25 100（120）

−25 80（100）

−48 80（100）

−23 100（120）

−43 130（150）

−40 130（150）

−49 130（150）

−46 130（150）

−48 130（150）

−48 130（150）

−43 130（150）

−44 200（220）

−48 200（220）

−48 200（220）

−46 200（220）

−55 200（220）

−26 110（130）

−22 110（130）

−23 110（130）

−22 110（130）

−24 110（130）

−21 110（130）

−16 200（220）

−16 200（220）

−15 200（220）

−16 200（220）

−16 200（220）

−30 200（220）

−31 200（220）

−15 200（220）

−15 200（220）

−15 200（220）

−20 130（150）

−21 130（150）

−21 130（150）

−18 130（150）

−44 100（120）

−51 120（140）

−51 80（100）

−35 80（100）

−35 80（100） −50℃ 0℃ 100℃ 200℃

◎ ◎ ◎ ◎ ○ ◎ ◎ ◎ ◎ ◎ ○ × ◎ △ △ △ △ △ ○ △ × ○ ○ △ ○ × ◎ × × ○ ◎ × ○ ○ △ × ◎ ○ ○ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ○ × ◎ △ ◎ ◎ ○ ○ ○ △ × ○ ○ △ ○ × ◎ × × ○ ◎ × ◎ ◎ △ △ ◎ ◎ ◎ ◎ ◎ ○ ◎ ◎ ◎ ◎ ◎ ○ × ◎ △ △ △ △ △ ○ △ × ○ ○ △ ○ × ◎ × × ○ ◎ × ○ ○ △ × *2 *3 ◎ ○ ○ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ○ × ◎ △ ◎ ◎ ○ ○ ○ △ × ○ ○ △ ○ × ◎ × × ○ ◎ × ◎ ◎ △ × ◎ ○ ○ ◎ ◎ ◎ ○ ○ ○ ◎ ◎ ○ × ◎ △ ◎ ◎ ○ ○ ○ △ × ○ ○ △ ○ × ◎ × × ○ ◎ × ◎ ◎ △ △ ◎ ◎ ○ ○ ○ ○ ◎ ◎ ○ ○ ○ ○ × ○ △ △ △ △ △ ○ △ × ○ ○ △ ○ × ◎ × × ○ ◎ × ○ ○ △ × ◎ ◎ ◎ ◎ ◎ ○ ◎ ◎ ◎ ◎ ◎ ○ × ◎ △ △ △ △ △ ○ △ × ○ ○ △ ○ × ◎ × × ○ ◎ × ○ ○ △ × ◎ × × × × × × × ○ × △ ◎ ◎ ◎ ○ × × × × ◎ ◎ ○ ◎ △ ◎ ◎ ○ ◎ × × ◎ ◎ ○ × △ ◎ ◎ *2 *3 × × × × × × × ○ × △ ◎ ◎ ◎ ○ × × × × ◎ ◎ ○ ◎ △ ◎ ◎ ○ ◎ × × ◎ ◎ ○ × △ ◎ ◎ *2 *3 × × × × × × × ◎ × △ ◎ ◎ ◎ ◎ × × × × ◎ ◎ ○ ◎ △ ◎ ◎ ○ ◎ × × ◎ ◎ ○ × △ ◎ ◎ *2 *3 × × × × × × × ◎ × △ ◎ ◎ ◎ ◎ × × × × ◎ ◎ ○ ◎ △ ◎ ◎ ○ ◎ × × ◎ ◎ ○ × △ ◎ ◎ *2 *3 × × × × × × × ◎ × △ ◎ ◎ ◎ ◎ × × × × ◎ ◎ ○ ◎ △ ◎ ◎ ○ ◎ × × ◎ ◎ ○ × △ ◎ ◎ *2 *3 × × × × × × × ◎ × △ ◎ ◎ ◎ ◎ × × × × ◎ ◎ ○ ◎ △ ◎ ◎ ○ ◎ × × ◎ ◎ ○ × △ ◎ ◎ *2 × × × × × × × ◎ × △ ◎ ◎ ◎ ◎ × × × × ◎ ◎ ○ ◎ △ ◎ ◎ ○ ◎ × × ◎ ◎ ○ × △ ◎ ◎ *2 △ △ ○ △ △ △ ◎ × ○ △ △ ○ × ○ △ × × × ○ ○ × △ △ △ ○ × × × △ ○ ◎ △ × △ ◎ × *2 △ △ ○ △ △ △ ◎ × ○ △ △ ○ × ○ △ × × × ○ ○ × △ △ △ ○ × × × △ ○ ◎ △ × △ ◎ × *2 △ △ ○ △ △ △ ◎ × ○ ○ ○ ○ × ○ △ × × × ○ ○ △ ○ ○ △ ○ × × × × ○ ◎ △ × △ ◎ × *2 △ △ ○ △ △ △ ◎ × ○ △ △ ○ × ○ △ × × × ○ ○ × △ △ △ ○ × × × △ ○ ◎ △ × △ ◎ × *2 △ △ ○ △ △ △ ◎ △ ○ △ △ ○ △ ○ △ ○ ○ ○ ○ ○ × △ △ △ ○ × × × × ○ ◎ △ × △ ◎ × ◎ ◎ ◎ ◎ ○ ◎ ◎ ◎ ◎ ◎ ○ × ◎ △ △ △ △ △ ◎ ○ × ○ ○ △ ○ × ◎ × × ○ ◎ × ○ ○ ○ △ *2 ◎ ◎ ◎ ◎ ◎ ○ ◎ ◎ ◎ ◎ ◎ ○ × ◎ △ △ ○ △ △ ◎ ○ × ○ ○ △ ○ × ◎ × × ○ ◎ × ○ ○ ○ △ *2 ◎ ◎ ◎ ◎ ◎ ○ ◎ ◎ ◎ ◎ ◎ ○ × ◎ △ △ △ △ △ ◎ ○ × ○ ○ △ ○ × ◎ × × ○ ◎ × ○ ○ ○ ◎ ◎ ◎ ◎ ◎ ◎ ○ ◎ ◎ ◎ ◎ ◎ ○ × ◎ △ △ △ △ △ ◎ ○ × ○ ○ △ ○ × ◎ × × ○ ◎ × ○ ○ ○ ○ *2 ◎ ◎ ◎ ◎ ◎ ○ ◎ ◎ ◎ ◎ ◎ ○ × ◎ △ △ △ △ △ ◎ ○ × ○ ○ △ ○ × ◎ × × ○ ◎ × ○ ○ ○ △ ◎ ◎ ◎ ◎ ◎ ○ ◎ ◎ ◎ ◎ ◎ ○ × ◎ △ △ △ △ △ ◎ ○ × ○ ○ △ ○ × ◎ × × ○ ◎ × ○ ○ ○ △ ◎ ○ ○ ◎ ◎ ◎ ◎ ◎ ◎ ○ △ △ ◎ ◎ △ ○ ◎ ◎ ◎ ◎ ○ × △ △ ○ ○ △ × △ △ ○ ◎ × ◎ ◎ ◎ × *2 ◎ ○ ○ ◎ ◎ ◎ ◎ ◎ ◎ ○ △ △ ◎ ◎ △ ○ ◎ ◎ ◎ ◎ ○ × △ △ ○ ○ △ × △ △ ○ ◎ × ◎ ◎ ◎ × *2 *3 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ○ ○ ◎ ◎ △ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ○ ◎ ◎ ◎ △ △ △ ○ ◎ × ◎ ◎ ◎ × *2 *3 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ○ ○ ◎ ◎ △ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ○ ◎ ◎ ◎ △ △ △ ○ ◎ × ◎ ◎ ◎ × *2 *3 ◎ ○ ○ ◎ ◎ ◎ ◎ ◎ ◎ ○ △ △ ◎ ◎ △ ○ ◎ ◎ ◎ ◎ ○ × △ △ ○ ○ △ × △ △ ○ ◎ × ◎ ◎ ◎ × *2 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ○ ○ ◎ ◎ △ ◎ ◎ ◎ ◎ ◎ ◎ ○ ○ ○ ◎ ◎ ◎ △ △ △ ○ ◎ × ◎ ◎ ◎ × ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ○ ○ ◎ ◎ △ ◎ ◎ ◎ ◎ ◎ ◎ ○ ○ ○ ◎ ◎ ◎ △ △ △ ○ ◎ × ◎ ◎ ◎ × ◎ ◎ ○ ○ ◎ ◎ ◎ ◎ ◎ ◎ ○ △ △ ◎ ◎ △ ○ ◎ ◎ ◎ ◎ ○ × △ △ ○ ○ △ × △ △ ○ ◎ × ◎ ◎ ◎ × ◎ ○ ○ ◎ ◎ ◎ ◎ ◎ ◎ ○ △ △ ◎ ◎ △ ○ ◎ ◎ ◎ ◎ ○ × △ △ ○ ○ △ × △ △ ○ ◎ × ◎ ◎ ◎ × ◎ ○ ○ ◎ ◎ ◎ ◎ ◎ ◎ ○ △ △ ◎ ◎ △ ○ ◎ ◎ ◎ ◎ ○ × △ △ ○ ○ △ × △ △ ○ ◎ × ◎ ◎ ◎ × ◎ ◎ ◎ ◎ ○ ○ ○ ◎ ◎ ◎ × × × ◎ × ◎ × × × × × × × × △ △ × × × × × △ × △ ○ ◎ × ◎ ◎ ◎ ◎ ○ ○ ○ ◎ ◎ ◎ × × × ◎ × ◎ × × × × × × × × △ △ × × × × × △ × △ ○ ◎ × ◎ ◎ ◎ ◎ ○ ○ ○ ◎ ◎ ◎ × × × ◎ × ◎ × × × × × × × × △ △ × × × × × △ × △ ○ ◎ × ◎ ◎ ◎ ◎ ○ ○ ○ ◎ ◎ ◎ × × × ◎ × ◎ × × × × × × × × △ △ × × × × × △ × △ ○ ◎ × ◎ △ △ △ △ △ ○ ○ ○ △ △ △ △ △ △ △ × × × ○ △ × △ △ △ ○ × △ × × ○ ◎ × △ △ ○ ○ ◎ × × × × × × × ○ × △ ○ × ○ ○ × × × × ○ ○ × △ △ ○ ○ × ◎ × × ◎ ◎ △ × △ △ ○ ◎ × × × × × × × ○ × △ ○ × ○ ◎ × × × × ○ △ × △ △ ○ ○ × ◎ × × ◎ ◎ △ × △ △ × ○ △ ◎ ◎ ◎ ○ ○ ◎ ◎ △ △ × ◎ × ○ △ △ × △ × × △ △ × × × × × × △ △ × ○ ○ ○ × *2 ○ ○ ◎ ◎ ◎ ○ ○ ◎ ◎ △ △ × ◎ × ○ △ △ × △ × × △ △ × × × × × × △ △ × ○ ○ ○ × *2

[*1 Temperature range]Operating range of working temperatures depend on various factors(e.g.,sealing medium, usage condition, required specification). Please consult NOK in advance.The list is based on the following criteria: - Upper Limit : Aging test results is taken into consideration to determine it. The value with ( ) is the temperature only for instant usage and not meant for continuous long time usage. - Lower Limit : TR10 value is used to determine it. TR is an abbreviation for 'temperature-retraction', as defined in JIS K 6261. TR presents the recovery properties during low temperatures, and nearly equals the recovery properties of rubber-like elasticity. The TR10 value indicates the temperature when a given strain is recovered by 10%.

◎：Resistance ○：Resistance in normal condition* △：Resistance in specific condition* ×：No resistance *Please consult NOK in advance[*2 Food Sanitation Law]These materials meet specification of Food Sanitation Law(Ministry of Health and Welfare. Ordinance No.85). If O-Ring is installed in machine related to food, exclusive production process may be required. Please consult NOK individually. [*3 Water Supply Law]These materials meet specification of Water Supply Law 'JIS S3200-7(2004)'. If O-Ring is installed in machine related to water, exclusive production process may be required. Please consult NOK individually.

5. Material SelectionChoosing the correct material for the specific application conditions in order to get the best out of O-Rings.Please choose according to the Table 3-1, which shows O-Ring materials' working temperature range and their resistance to sealing medium.

For atomic power or food or medical applications, please consult NOK.

5 5

Table 3-1 Material selection of NOK O-Rings

[*4 NOK Rubber materials]NOK has a wide range of available materials which are applied to various usage conditions. In case of sizes or materials are not listed in this catalogue, new tooling is necessary. Please consult NOK.

10 11

Hardness (duro A)

Tensile strength (MPa)

Elongation (%)

Tensile stress (MPa)(at 100% elongation)

Temp. and time

Change in hardness (points)

Change in tensile strength (%)

Change in elongation (%)

Temp. and time

Compression set (%)

Temp. and time

Oil tested




Change in volume (%)

Temp. and time

Oil tested





TR10�value�(℃)�at�50%�elongation

Hardness (duro A)


Elongation (%)


Temp. and time




Temp. and time

Compression set (%)

Temp. and time

Oil tested





Temp. and time

Oil tested






JIS symbol

NOK material symbol

Application(specification/measured values)

JIS symbol

NOK material symbol


NBR-70-1A305

Mineral oil

120℃��72h

120℃��72h

120℃��72h

Lubricant No.1

120℃��72h

Lubricant No.3

Specification

70±5

≧10

≧250

≧2.5

≦+10

≧−15

≧−45

≦40

−5 - +8

≧−15

≧−40

−8 - +5

−15 - 0

≧−25

≧−35

0 - +20

≧−15

Measured value

71

20.8

340

4.5

+3

+2

−7

13

±0

+2

−12

−3.6

−7

−11

−13

+11.8

−24

Table 4-1 Standard values and measured values [Measured values in the list below are not guaranteed.]Type of

material

Test item

Type of material

Test item

NBR-90A105

Mineral oil

—

120℃��72h

120℃��72h

120℃��72h

Lubricant No.1

120℃��72h

Lubricant No.3

Specification

90±5

≧14

≧100

≦+10

≧−25

≧−55

≦40

−5 - +8

≧−20

≧−40

−8 - +5

−10 - +5

≧−35

≧−35

0 - +20

≧−15

Measured value

91

18.1

150

+3

+10

−37

26

+3

−13

−23

−4.3

−8

−13

−13

+10.7

−23

NBR-70-2A122

Gasoline

100℃��72h

100℃��72h

23℃��72h

Fuel oil No.1

23℃��72h

Fuel oil No.2

Specification

70±5

≧10

≧200

≧2.5

≦+10

≧−15

≧−40

≦25

−8 - 0

≧−15

≧−25

−3 - +5

−20 - 0

≧−45

≧−45

0 - +30

≧−10

Measured value

71

20.9

420

4.3

+4

+4

−23

18

−1

−4

−5

+0.6

−12

−32

−32

+24.3

−22

FKM-70F201

Heat resistance

230℃��72h

200℃��72h

175℃��72h

Lubricant No.1

175℃��72h

Lubricant No.3

Specification

70±5

≧10

≧170

≧2.0

<+5

≧−10

≧−25

≦40

−10 - +5

≧−20

≧−20

−5 - +5

−10 - +5

≧−20

≧−20

−5 - +5

≧−10

Measured value

71

14.2

230

4.1

−2

+2

−8

21

±0

+2

−4

±0.0

−2

−7

+9

+2.4

−15

Class 3*R189

Animal/vegetable oil

100℃��70h

100℃��70h

100℃��70h

Brake fluid

—

—

—

—

—

—

Specification

70±5

≧9.8

≧150

≧2.7

≦+10

≧−15

≧−45

≦25

−15 - 0

≧−40

≧−40

0 - +12

—

Measured value

73

19.4

240

6.1

+2

−6

−9

10

−3

−5

−11

+2.5

−51

VMQ-70S503

Heat resistance

230℃��72h

175℃��72h

175℃��72h

Lubricant No.1

—

—

—

—

—

—

Specification

70±5

≧3.5

≧60

—

≦+10

≧−10

≧−25

≦30

−10 - +5

≧−20

≧−20

0 - +10

<−30

Measured value

70

6.1

150

4.9

−1

+5

−12

12

−5

+1

+2

+4.5

−48

Original property

Aging test

Compression set

Oil resistance test 1


Low tempe-rature test

Original property

Aging test

Compression set




TR10 value is abbreviation for Temperature-Retraction, which means elastic recoverability of rubbers at low temperature condition.

It is possible to estimate low temperature performance from TR value.It is experientially understood that the vicinity of TR10 shows the limit temperature of O-Rings.

6.Standard Rubber Material Properties

6 6 *Class 3: standard material of JASO F404

12 13

*Class 4E/5: standard material of JASO F404 *Material 'H' is NOK material symbol of Hydrogenated nitrile rubberTable 4-2 Standard values and measured values [Measured values in the list below are not guaranteed.] Class 4E*

T767Heat resistance

—

150℃��70h

150℃��70h

150℃��70h

Lubricant No.1

150℃��70h

Lubricant No.3

Specification

70±5

≧5.9

≧100

≦+10

≧−30

≧−40

≦60

−7 - +10

≧−30

≧−40

−5 - +5

−20 - 0

≧−40

≧−40

0 - +30

—

Measured value

73

12.8

180

+2

+2

−7

30

−3

+2

−7

−0.3

−13

−15

−9

+15.9

−18

Class 5*E116

Coolant resistance

120℃��70h

120℃��70h

100℃��70h

Coolant

—

—

—

—

—

—

Specification

70±5

≧9.8

≧150

>2.7

<+10

<−20

<−40

<40

−5 - +5

≧−30

≧−30

−5 - +10

—

Measured value

72

18.5

210

5.5

+1

−2

−4

5

+1

−16

−6

+1.2

−49

NOK IRON RUBBER seriesU801

High pressure, wear resistance

—

80℃��70h

80℃��70h

80℃��70h

Lubricant No.1

80℃��70h

Lubricant No.3

Measured value

94

43.1

550

±0

+1

+2

32

±0

±0

−2

−0.3

±0

−3

−4

+5.4

−29

120℃��70h

120℃��70h

100℃��70h

Distilled water

NOK WEX seriesH*G607

Wear resistance

—

120℃��70h

120℃��70h

120℃��70h

Lubricant No.1

120℃��70h

Lubricant No.3

E700Water

Measured value

71

19.1

210

—

+2

−3

−8

6

+1

−4

±0

+0.5

—

—

—

—

—

—

−48

E575Water

Measured value

72

15.0

200

—

+1

+15

+11

6

+1

−11

−2

+0.4

—

—

—

—

—

—

−48

FP29Water

Measured value

72

19.7

320

—

+2

+9

+1

10

±0

−15

+6

+3.5

−3

−18

+8

+4.4

−16

FP739Water

Measured value

72

19.8

300

—

+1

−4

+3

13

−2

−7

+6

+2.9

±0

−12

+2

+2.0

−16

Specification

70±5

≧16.7

≧150

<+10

<−15

<−40

<20

−5 - +10

≧−20

≧−35

−15 - +5

−10 - +10

≧−30

≧−30

−10 - +10

—

Measured value

70

23.5

240

+5

+4

−4

10

+5

−4

−10

−5.2

+1

+4

−6

+3.3

−22

230℃��70h

175℃��70h

100℃��70h

Distilled water

150℃��70h

Water vapor

6 6

Hardness (duro A)


Elongation (%)


Temp. and time




Temp. and time

Compression set (%)

Temp. and time

Oil tested





Temp. and time

Oil tested






Hardness (duro A)


Elongation (%)


Temp. and time




Temp. and time

Compression set (%)

Temp. and time

Oil tested





Temp. and time

Oil tested






Original property

Aging test

Compression set




Original property

Aging test

Compression set




TR10 value is abbreviation for Temperature-Retraction, which means elastic recoverability of rubbers at low temperature condition.

It is possible to estimate low temperature performance from TR value.It is experientially understood that the vicinity of TR10 shows the limit temperature of O-Rings.

JIS symbol

NOK material symbol


Type of material

Test item

JIS symbol

NOK material symbol


Type of material

Test item

14 15

7.O-Ring DesignDesign and dimension standards are mentioned below.

(1) Functional view of O-RingFigure 1-1 shows value changes of compressive permanent set, depending on compression ratio of O-Ring.O-Ring failure or crack may occur at more than 40% of compression ratio.If compression ratio of O-Ring is too low, leakage may occur.

(5) Clearance and extrusionIf part of the O-Ring goes into the clearance of groove and extrudes too heavily due to sealing fluid pressure, sealing function will deteriorate.The extrusion in grooves is determined by pressure of sealing fluid and hardness of rubber, whose relation is shown in Figure 1-3 (for reference only). (The values are measured according to the pressure in cylinder before swelling; for high pressure, the diameter clearance should be 75% of these values.)

[Countermeasure of extrusion (how to use backup ring)]According to Figure 1-3, NOK suggests to install backup rings when the real pressure or clearance is beyond its limitation. If two directions are compressed, two backup rings should be installed;if only one direction is compressed, installing one backup ring at the opposite direction is enough. There are three types of backup rings: endless type, bias cut type and spiral type. Endless type backup ring provides good protection, while bias cut type provides easy installation.Table 5-3 shows main materials and characteristics for backup rings.

The surface roughness needs to be controlled due to following reasons: - friction or wear resistance, in the case of dynamic usage - stable sealing function due to rubber conforms to the

surface roughness

Roughness notation is according to JIS B 0601: 2001

(2) Dimension standard for O-Ring groove

Table 5-1 shows NOK design standard in general.If low friction for dynamic usage or special specification is required, please consult NOK.

(4) Surface roughness of groovePlease refer to Table 5-2 for surface roughness of contact portion with O-Ring.

(3) How to choose the thickness of O-Ring

Figure 1-2 shows the relationship between thickness and compressive permanent set of O-Ring. In the case of certain compression ratio, the larger the cross-section diameter, the less the permanent set, so larger cross-section diameter O-Ring has better sealing ability. In dynamic sealing, larger thickness O-Ring can even prevent twist.

Figure 1-1

Table 5-3Material NOK material

symbol Characteristic Pressure

Rareflon(PTFE)

10FF (catalogue) Pure PTFE, it has good heat, low temperature resistance and chemical resistance.

low↑↓

high

19Y Extrusion and wear resistance even under high pressure

49YF better extrusion resistance than 19YF

Polyamid80NP Made by machining, therefore, large size can be produced. It has

good extrusion and wear resistance. For high pressure application.

12NM Made by injection molding. It has the same performance as 80NP. Dimension change by moisture absorption is less.

* Polyamid may result in dimension change due to moisture absorption. Please consult NOK if prevention package for moisture absorption required.

<Test conditions>1. No backup ring used2. Ensure no cylinder swells due to pressure changes. 3. Pressure cycle is = zero to a specified pressure Test frequency is 150 time per minute. Tests need to be conducted 100,000 times.

<How to check Figure 1-3>Diameter clearance = Cylinder ID (D) - Piston OD (d)* In the case of flat face usage, please use diameter clearance itself.

Note: Consult NOK when designing.

Please refer to Page 22 - 59 for O-Ring and groove dimensions in details.Please refer to Page 60 - 63 for backup ring dimensions in details.* Only 10FF is available for NOK catalogue parts

Figure 1-3 Limitation of extrusion

7 7

Compression ratio (%)

Com

pres

sive

per

man

ent s

et (%

)

10 20 30 40

Durability

Possible to assemble

Crack by compressionSealing function

Side faceSide face

Contact portion Chamfer

Bottom face

Pressure① Pressure① ①

Pressure① Pressure① ①②② ②

Clearance（Diameter clearance） 2

Extrusion

φdφD

0 0.2 0.4 0.6 0.8 1.0

60

40

20

10 8

6

4

2

10.8

Diameter clearance (mm)

70° 80° 90°

ExtrusionIron rubber 94°(U801)

Iron rubber 90°(U565)

No extrusion

Durometer A

Flui

d pr

essu

re (M

Pa)

with one backup ring with two backup rings

with two backup rings(one side high-pressure) ①Rareflon ②Polyamid

with four backup rings(both sides high-pressure)

Figure 1-2 Compressive ratio 25%, A305�(in�120℃��70h�air)

Thickness of O-Ring (mm) 10

60

50

40

30

20

10

2 3 4 5 6 7 8 9 10 11 12Oリング太さ（mm）

圧縮永久歪（％）

Com

pres

sive

perm

anen

t set

(%)

Table 5-2

Portion Application Pressure Surface roughnessRa Rz

Side wall of groove and bottom

Static sealing

No pulse Flat face 3.2 12.5Cylindrical face 1.6 6.3

With pulse 1.6 6.3Dynamic sealing

With backup ring 1.6 6.3Without backup ring 0.8 3.2

Contacting face of O-ring to machines

Static sealing

No pulse 1.6 6.3With pulse 0.8 3.2

Dynamic sealing — 0.4 1.6Chamfer of O-Ring installation portion — — 3.2 12.5

* Rz : max. allowance roughness

Table 5-1Classifi-cation

Cylindrical surface Flat facePiston seal Rod seal Inside

pressureOutside pressure

Sketch

Compression ratio (%) 8-25 8-30

Filling ratio (%) Target: 75%, max. 90%

Inside/Outside diameter of

O-Ring

Elongation ratio of Inside

diameter0 - 5 %

Interference ratio of Outside

diameter0 - 3 %

The same diameter as wall diameter for anti-pressure sideOutside wall

= O-Ring outside diameter

Inside wall = O-Ring

inside diameter

P P

dφDφ

Edge is squeezed

Edge is squeezed

Dφ

dφ

1716

8.Design Standard of Mating PartsO-ring usage depending on groove structure and its precautions are discussed below.As shown in Figure 1-1 on Page 14, once O-ring compression ratio is determined then the next step is to consider assembly method. This is to avoid O-Ring damage due to scraps, gouges or pinches during assembly and to avoid difficult assembly due to high reaction force of rubber. Therefore lower compression ratio than its functional limitation is recommended.That is the reason NOK recommended to use lower compression ratio for cylindrical surface usage than that for flat face usage. Groove dimension recommendations are shown on Pages 22 - 59.

(1) Cylindrical surface sealing

(2) Flat face static sealing

Please see Figure 2-1. This is to seal by using both inner and outer surfaces of O-Ring. More consideration for easy assembly needs to be taken than flat face usage.In the case of dynamic sealing function, the lower compression set corresponds to lower friction.

● Please see Figure 2-2. This is to seal by using top and bottom faces of O-Ring. There are two kinds of flat face static sealing:

- internal pressure application, as shown in Figure 2-2 (a) : use external diameter for mating

- external pressure application, as shown in Figure 2-2 (b) : use inner diameter for mating

Larger compression ratio for flat face static sealing than for cylindrical surface sealing is applied because the larger ratio does not affect assembly process and bolt elongation or flange deformation needs to be considered.Bad usage example can be seen in Figure 2-2 (c). As no wall stands inside O-Ring, O-Ring may wear or it may come off the groove due to repetitive pressure.

● When inner diameter is comparatively large (larger than φ150) and cross-section diameter is small (less than φ3), problems shown in Figure 2-3 may happen. Thicker cross-section O-Rings should be installed in this condition.

● In the case of small inner diameter, O-Rings may slip out of their grooves during assembly. Please pay attention to the assembly process.

● For internal pressure application, if inner diameter is comparatively small (about less than φ30mm), the installation may be not so good, NOK suggest to use larger D (about 0.2 - 0.3mm larger). In the case of external pressure application, use smaller d (about 0.2 - 0.3mm smaller).

Figure 2-2 Introduction of flat face usage

Figure 2-1 Introduction of cylindrical surface usage

Figure 2-3

（a）Internal pressure

（Internal pressure）

（b）External pressure

（External pressure）

（c）Usage example not recommended

(3) Different types of groove structurea）NOK recommends groove structure based on Figure 2-4. Other examples are shown in Figure 2-5 and 2-6. In these cases, compression ratio or filling ratio of O-Rings may be out of NOK recommendation. They are shown just as references.In any case, please be careful about burrs or sharp edges so that O-Rings cannot be damaged.

[Reference]b) Triangle groove applicationTriangle groove is sometimes used to simplify machines. As shown in Figure 2-5, O-Ring is pressed from three directions, so compressive permanent set is larger compared to normal groove.Application method is shown in Figure 2-5. For dimension of D and d, please refer to dimension table.Dimension of G should be 1.3 - 1.4 W (cross-section diameter of O-Rings).

c) Dovetail groove applicationThis is used to prevent the O-Rings from coming out of the grooves, however, it has a disadvantage of high O-Ring filling ratio.Extra care is needed during assembly so that O-Rings can not be damaged or broken due to high compression ratio. Please consult NOK in advance.

8 8

Figure 2-5

Figure 2-4

Figure 2-6

* Diameter of O-Ring center should be the same as that of groove center.

WW

0.15以下

0.1以下

d0

D2

φd2φ

D1

φd1φ

D1φd1φ

D2φd2φ

W90＋5°－0°90 ＋5°－0°

0°～5° 0°～5°

R

R0.1～R0.2

R

R0.1～R0.2

G

WW

0.15以下0.1以下

d0

D2

φd2φ

D1

φd1φ

D1φd1φ

D2φd2φ

DφG

G

W

dφG

G

W

L1

R1R1

R2

24°±1

R2

L2

φDDiameter of groove center

H （Groove

depth）

Flat face usage

Dynamic usage

（a）External periphery （b）Internal periphery

Maximum elongation ratio should be less than 40% of material elongation (Eb), in the case of small cross-section O-Ring for cylindrical piston sealing application.

1) Use jig as shown in figure 5-1 to protect O-Rings when piston rod has no chamfer or screw. When O-Ring passes over screw, or metal sheet, tape should be used on screws so that O-Rings can go over smoothly without damage.

2) Do not twist O-Rings during installation into grooves.3) Apply sealing medium to grooves and O-Rings

during installation.

4) O-Rings should not be re-used.5) Do not use cleaning oil or gasoline when O-Ring is

still in the groove. It may cause O-Ring to swell.6) As the dimension tolerance combination may cause

problem due to bulge shown in Figure 5-2, even adopt O-Rings and grooves according to JIS, please pay special attention that O-Rings must only be squeezed in.

φd0φd’0

Squeezed in

Bulge

Please refer to Table 6-1 for chamfer to avoid damage to the O-Rings contacting the cylinder and piston rod edge. NOK recommends that L should be larger than (G + b) to prevent the O-Ring being pinched by the rod during installation.

In the case of piston sealing, the pressure releasing hole in sliding part of O-Ring must face down so the O-Ring will not be damaged by the hole. For chamfer, please refer to Figure 3-1.

18 19

Table 6-1 Dimension of chamfer (NOK standard)Nominal size

JIS JASO a min.b

in the case of 15°in the case of 30°P 3 - P 10P 10A - P 22P 22A - P 50P 48A - P 150P 150A - P 500G 25 - G 145G 150 - G 500NOK S standard S 3 - S150NOK SS standard SS2 - SS12

1003 - 10352010 - 20713022 - 3150

3025S - 3145S

0.90.91.11.31.51.11.3

0.9

3.43.44.14.95.64.14.9

3.4

1.61.61.92.32.61.92.3

1.6

Figure 3-1

9.Chamfer Design Standard for Hole and Shaft

10.Special Application(1) Vacuum flange sealing

11. Installation

12.Storage & Shelf Life

(1) Notice to install

(2) Elongation ratio of O-Ring when it is installed.

● O-Ring NOK suggests using JIS B and 2401 P series O-Rings

(NOK material symbol is A305).● Method: 1) Please fill lubricant around O-Ring, for example, by

oil filling continuously. 2) Unless oil filling is available, sufficient grease should

be applied. Please take grease pool structure into consideration or periodically maintain so that grease can be kept around O-Rings.

● Notice: 1) As to dimension of grooves, please refer to JIS P series

dimension table. As to fine machining, please refer to Table 5-2 on Page 14 and Table 6-1 on Page 18. When two O-Rings are used in piston rod sealing, please refer to the dimension shown in Figure 4-1.

2) As to grease, please use NOK KLUBER 'SEALUB-S1', No.2 lithium grease. Grease should be applied between O-Rings or between O-Ring and dust seal.

3) For low friction dynamic sealing, as groove dimensions are to be modified, please consult NOK.

4) NOK also has pnuematic seals for pneumatic dynamic usage. Please consult NOK.

Storage precautions. 1) Do not open the original package until ready to use, as the O-Rings may become contaminated or damaged.2) When storing the O-Ring after opening its original package, make sure that there is no foreign particles such

as dust comes into contact with O-Rings and no O-Ring is damaged. Re-use the original packaging if possible.3) Do not expose O-Rings to direct sunlight. Store them at low humidity conditions. Ultraviolet radiation and

high humidity will hasten deterioration of rubber or change dimensions.4) Do not store O-Rings near high temperature source (e.g. boiler, stove). Heat will age the rubber.5) Do not bind O-Rings with a thin string and hang them on nails or wires, as this may cause them to deform or

damage them.6) If Nitrile Rubber (NBR) or Styrene-butadiene Rubber (SBR) O-rings are exposed to air, ozone crack may occur

(refer to Page 73). Do not store O-Ring under the following conditions: Store O-Ring near electrical motors (e.g., copy machines) that generate ozone. In elongated conditions (including storage of O-Rings in grooves).

[Reference]O-Rings in storage may change or generate white powder on their surface. O-Ring performance will not be affected (Blooming phenomenon ; refer to Page 71)

(2) Pneumatic dynamic sealing

Application of O-Ring in vacuum flange is different from normal hydraulic sealing in the following aspects:● Sealing medium in vacuum flange is air, and it is easier to leak than liquid sealing medium, so the roughness of

contact surface of O-Rings should be carefully considered.● If rubber material is not chosen according to vacuum degree, air will exist in the material, so additive in the

rubber will be dispersed, and vacuum degree cannot be maintained. So, rubber material should be chosen according to Table 3-1 on Page 8 - 9.

* In the case of high elongation ratio, O-Ring bulge may occur more or less in groove just after O-Ring installation.

910

1112

>2W W： Thickness of O-Rings

Figure 4-1

Figure 5-3

(Example) q Rubber material symbol : A305 w Elongation of original property : 340% e φd0 = 20

(1) Maximum elongation ratio should be: less than 140%≒340% × 0.4

(2) Calculation of φd'0 : Elongation ratio = (d'0 - d0)/d0 = d'0/d0 -1 d'0/d0 = elongation ratio +1 d'0/d0 = 1.4 + 1 = 2.4 d'0 = d0 × 2.4 = 48 therefore, φd'0 can be elonged until φ48.0.

ChamferChamferChamfer

b

a

α

Rz12.5R2

L G

b

Rz12.5

a

α

R2

Figure 5-1

Figure 5-2

NOK code

Material code Tolerance of inside diameter ‘d0’

JIS dimension identification code

TypeDimension

code

CO 00000CO 00001CO 00002CO 00003CO 00004

CO 00005CO 00006CO 00007

P 3P 4P 5P 6P 7

P 8P 9P 10

OR □P 3 -NOR □P 4 -NOR □P 5 -NOR □P 6 -NOR □P 7 -N

OR □P 8 -NOR □P 9 -NOR □P 10 -N

1.9±0.08 Max. 0.10

2.8 3.8 4.8 5.8 6.8

7.8 8.8 9.8

±0.14±0.15

±0.16

±0.17

±0.21±0.22

±0.24

±0.25

±0.16±0.18

±0.19

±0.20

ThicknessW

(Reference)Old JIS callout number

Inside diameter

d0

A B C L

S8R3S7T8T7

U2Q5U8

O-Ring dimension

←□: put material

code left **

Burr dimension

f

A305（NBR-70-1）

A105（NBR-90）

A122（NBR-70-2）

S503（VMQ

-70）

F201（FKM

-70）

NBR-70-1Class 1AA305

NBR-90

Class 1BA105

NBR-70-2Class 2A122

VMQ-70

Class 4CS503

FKM-70

Class 4DF201

20 21

Product Material Storage time Nitrile rubber (NBR) 10 years Silicon rubber (VMQ) 20 years Fluoro rubber (FKM) 20 yearsRubber

Acrylic rubber (ACM) 20 yearsproduct Ethlene propylene rubber (EPDM) 20 years

Hydrogenated nitrile rubber (HNBR) 10 years Styrene-butadiene rubber (SBR) 10 years Polyurethane rubber(AU) 10 years

[Shelf Life]Recommended shelf life of O-Rings is shown in the table. Shelf life in this table refers to conditions in warehouse where no direct sunlight, no high temperature or no high humidity exists.

13.Placing ordersWhen ordering O-Rings, please specify ①NOK code and ②callout number (in the case of JIS, dimension identification code), 'NOK full code' means 'Dimension code' and 'Material code'.

[Example] When ordering JIS NBR-70-1 (A305), JIS P7, ⇒ Please order, indicating NOK code : 'CO0004A' and JIS dimension identification code 'OR NBR-70-1 P7-N'

Please specify both codes.

15.Standard O-Ring Catalogue

14.JIS Codes for O-RingsJIS dimension identification code means product type, material specification, dimension specification and appearance grade. (Dimension identification code is shown in a packaging label.)When ordering JIS O-Rings, please indicate JIS dimension identification code as well as NOK code.

[Example]

Dimension specification is represented.In the case mentioned above, it is P series & it's code '3'.

Material specification is represented.In the case mentioned above, material specification is NBR-70-1（A305）

Classification of appearance quality specification is epresented.Please see JIS B 2401-3 in details.

Product type is represented.Type of O-Ring is mentioned above.

JIS P series 22 JIS G series 30 NOK S series 34 NOK SS series 36 JIS V series 37 AS568 series (Old ARP568) 38 Old JASO of φ1.9 series 46 Old JASO of φ2.4 series 48 Old JASO of φ3.1 series 50 Old JASO of φ3.5 series 52 General Industrial series (ISO equivalent) 54 NOK WEX series (Water application) 57 NOK IRON RUBBER P, G series 58 Backup Rings (JIS equivalent) 60 NOK SP Treatment Series 64

①Dimension code + Material code ⇒ CO00004A ② JIS dimension identification code is specified like an example mentioned below:OR □ P7-N　　　↑－－ Indicate JIS materail code ‘NBR-70-1’.⇒ OR NBR-70-1 P7-N (this is dimension identification code)

1314

15

DIMENSION TABLE

Page

OR NBR-70-1 P3-N NOK SP Treatment Series NOK SP Treatment Series NOK SP Treatment Series NOK SP Treatment Series NOK SP Treatment Series NOK SP Treatment Series NOK SP Treatment Series NOK SP Treatment SeriesNEW

* NOK part number that applies to JIS dimension identification code for the example mentioned above is 'CO 00000A'.

G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

dφ G

W90＋5°－0°90 ＋5°－0°

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°

H

外圧用D2φ

G

H

内圧用

WW

f

f

d0

D1

φd

φ

D1

φd

φ

G

G

D1

φd

φ

D1

φd

φG

G

22 23

CO 00000CO 00001CO 00002CO 00003CO 00004

CO 00005CO 00006CO 00007

CO 00008CO 00009CO 00010CO 00011CO 00012

CO 00013CO 00014CO 00015CO 00016CO 00017

CO 00018CO 00020

CO 00019CO 00021CO 00022CO 00023CO 00024

CO 00025CO 00026CO 00027CO 00028CO 00029

CO 00030CO 00031CO 00032CO 00033CO 00034

CO 00035CO 00036CO 00037CO 00038CO 00039

CO 00040CO 00041CO 00042CO 00043CO 00044

CO 00046

P 3P 4P 5P 6P 7

P 8P 9P 10

P 10AP 11P 11.2P 12P 12.5

P 14P 15P 16P 18P 20

P 21P 22

P 22AP 22.4P 24P 25P 25.5

P 26P 28P 29P 29.5P 30

P 31P 31.5P 32P 34P 35

P 35.5P 36P 38P 39P 40

P 41P 42P 44P 45P 46

P 48


OR □P 8 -NOR □P 9 -NOR □P 10 -N

OR □P 10A -NOR □P 11 -NOR □P 11.2 -NOR □P 12 -NOR □P 12.5 -N


OR □P 21 -NOR □P 22 -N

OR □P 22A -NOR □P 22.4 -NOR□P 24 -NOR □P 25 -NOR □P 25.5 -N

OR □P 26 -NOR □P 28 -NOR □P 29 -NOR □P 29.5 -NOR □P 30 -N

OR □P 31 -NOR □P 31.5 -NOR □P 32 -NOR □P 34 -NOR □P 35 -N

OR □P 35.5 -NOR □P 36 -NOR □P 38 -NOR □P 39 -NOR □P 40 -N

OR □P 41 -NOR □P 42 -NOR□P 44 -NOR □P 45 -NOR □P 46 -N

OR □P 48 -N

1.9±0.08

2.4±0.09

3.5±0.1

Max. 0.10

Max. 0.12

Max. 0.14

2.8 3.8 4.8 5.8 6.8

7.8 8.8 9.8

9.8 10.8 11.0 11.8 12.3

13.8 14.8 15.8 17.8 19.8

20.8 21.8

21.7 22.1 23.7 24.7 25.2

25.7 27.7 28.7 29.2 29.7

30.7 31.2 31.7 33.7 34.7

35.2 35.7 37.7 38.7 39.7

40.7 41.7 43.7 44.7 45.7

47.7

±0.14±0.15

±0.16

±0.17

±0.18

±0.19

±0.20±0.21±0.22

±0.23

±0.24

±0.25

±0.26±0.28

±0.29

±0.30±0.31±0.33

±0.34

±0.37

±0.38±0.39±0.41±0.42

±0.44

±0.21±0.22

±0.24

±0.25

±0.27

±0.28

±0.30±0.31±0.33

±0.34

±0.36

±0.37

±0.39±0.42

±0.43

±0.45±0.46±0.49

±0.51

±0.55

±0.57±0.58±0.61±0.63

±0.66

±0.16±0.18

±0.19

±0.20

±0.21

±0.22

±0.24±0.25±0.26

±0.27

±0.28

±0.30

±0.31±0.33

±0.34

±0.36±0.37±0.39

±0.40

±0.44

±0.45±0.46±0.49±0.50

±0.52

3 4 5 6 7

8 9 10

10 11 11.2 12 12.5

14 15 16 18 20

21 22

22 22.4 24 25 25.5

26 28 29 29.5 30

31 31.5 32 34 35

35.5 36 38 39 40

41 42 44 45 46

48

0 −0.05

0 −0.06

0 −0.08

6789

10

111213

6.27.28.29.2

10.2

11.212.213.2

＋0.05 0

＋0.06 0

＋0.08 0

2.5

3.2

4.7

3.9

4.4

6.0

5.4

6.0

7.8

1.4

1.8

2.7

0.4

0.4

0.8

0.05

0.05

0.08

A

A

A

B

B

B

C

C

C

L

L

L

S8R3S7T8T7

U2Q5U8

X8X0U2V8Q0

X0U2V8T8R6

S5U3

U3G0U2Q0G0

N5U2U3G0S0

U3U2U3R0R0

U2U3Q0U2W0

U3U2U2P3U3

X0

Dimension d Dimension D1, D2 Dimension H Dimension R Maximum misalignment(TIR)

of center D and center d for dynamic

or cylindricalapplication

Dimension G (tolerance +0.25) 0

D1 D2d Tolerance ToleranceNo

backup ring

One side backup

ring

Both sides backup

ringsH±0.05 Maximum

value

Groove dimension (according to JIS specification)

O-Ring dimension Dynamic application Cylindrical static application Groove Flat face static application

No backup ring

One side backup ring(only dynamic, cylindrical

static application)

Both sides backup rings(only dynamic, cylindrical

static application)

External pressure

Internal pressure

(unit: mm)

■ When ordering, please indicate both ①JIS dimension identification code and ②NOK code.

　Example 1) In the case of O-Ring ID of 4.8, its thickness of 1.9 and its material of NBR-70-1,

　・JIS dimension identification code: OR NBR-70-1 P5-N　・NOK code: CO 00002 A　Example 2) In the case of O-Ring ID of 4.8, its thickness of

1.9 and its material of FKM-70,　・JIS dimension identification code: OR FKM-70 P5-N　・NOK code: CO 00002 S7

■JIS dimension identification code:　 Type + material specification + 　　

Dimension specification + Appearance grade

■ Old JASO specification has the same dimension series. It also has materials mentioned below:

Please see Page 46 - 53 in details. ・Class 3 (SBR) ・Class 4E (ACM) ・Class 5 (EPDM) ・Material H (H-NBR)

(Note) Chamfer according to NOK recommendation

14 15 15.2 16 16.5

18 19 20 22 24

25 26

28 28.4 30 31 31.5

32 34 35 35.5 36

37 37.5 38 40 41

41.5 42 44 45 46

47 48 50 51 52

54

(Extrusion clearance: refer to Figure 1-3 on Page 15)

NOK code



TypeDimension

code

ThicknessW


Inside diameter

d0

O-Ring dimension


code left **

Burr dimension

f

A305（NBR-70-1）

A105（NBR-90）

A122（NBR-70-2）

S503（VMQ

-70）

F201（FKM

-70）


NBR-90

Class 1BA105

NBR-70-2Class 2A122

VMQ-70

Class 4CS503

FKM-70

Class 4DF201

JIS B 2401-1 P series (Static/Dynamic application)

MaterialJIS symbol NBR-70-1 NBR-90 NBR-70-2 VMQ-70 FKM-70

Old JIS symbol Class 1A Class 1B Class 2 Class 4C Class 4DNOK symbol A305 A105 A122 S503 F201

P se

ries

P se

ries

**Example: OR NBR-70-1 P3-N, OR FKM-70 P3-N

24 25

CO 00047CO 00049

CO 00045CO 00048CO 00050CO 00051CO 00052

CO 00053CO 00054CO 00055CO 00056CO 00057

CO 00058CO 00059CO 00060CO 00061CO 00062

CO 00063CO 00064CO 00065CO 00066CO 00067

CO 00068CO 00069CO 00070CO 00071CO 00072

CO 00073CO 00074CO 00075CO 00076CO 00077

CO 00078CO 00079CO 00081

CO 00080CO 00082

CO 00083CO 00084CO 00085CO 00086CO 00087

CO 00088CO 00089CO 00090CO 00091

P 49P 50

P 48AP 50AP 52P 53P 55

P 56P 58P 60P 62P 63

P 65P 67P 70P 71P 75

P 80P 85P 90P 95P 100

P 102P 105P 110P 112P 115

P 120P 125P 130P 132P 135

P 140P 145P 150

P 150AP 155

P 160P 165P 170P 175P 180

P 185P 190P 195P 200

4.7

7.5

11.0

6.0

9.0

13.0

7.8

11.5

17.0

2.7

4.6

6.9

0.8

0.8

1.2

0.08

0.10

0.12

A

A

A

B

B

B

C

C

C

L

L

L

O0Q5

G0U3U3G0U3

U3G0U3U3H0

H0U3O0U3U3

Q0G0U3U3T0

U3U3U3G0U3

U3U3T0U3U3

U3U3S0

U3U3

G0G0U3G0P0

U3U3G0G0

55 56

58 60 62 63 65

66 68 70 72 73

75 77 80 81 85

90 95 100 105 110

112 115 120 122 125

130 135 140 142 145

150 155 160

165 170

175 180 185 190 195

200 205 210 215

3.5±0.1

5.7±0.13

8.4±0.15

48.7 49.7

47.6 49.6 51.6 52.6 54.6

55.6 57.6 59.6 61.6 62.6

64.6 66.6 69.6 70.6 74.6

79.6 84.6 89.6 94.6 99.6

101.6 104.6 109.6 111.6 114.6

119.6 124.6 129.6 131.6 134.6

139.6 144.6 149.6

149.5 154.5

159.5 164.5 169.5 174.5 179.5

184.5 189.5 194.5 199.5

±0.45

±0.44±0.45±0.47±0.48±0.49

±0.50±0.52±0.53±0.55±0.56

±0.57±0.59±0.61±0.62±0.65

±0.69±0.73±0.77±0.81±0.84

±0.85±0.87±0.91±0.92±0.94

±0.98±1.01±1.05±1.06±1.09

±1.12±1.16±1.19

±1.19±1.23

±1.26±1.30±1.33±1.37±1.40

±1.44±1.48±1.51±1.55

±0.67

±0.66±0.67±0.70±0.72±0.73

±0.75±0.78±0.79±0.82±0.84

±0.85±0.88±0.91±0.93±0.97

±1.03±1.09±1.15±1.21±1.26

±1.27±1.30±1.36±1.38±1.41

±1.47±1.51±1.57±1.59±1.63

±1.68±1.74±1.78

±1.78±1.84

±1.89±1.95±1.99±2.05±2.10

±2.16±2.22±2.26±2.32

±0.54

±0.52±0.54±0.56±0.57±0.58

±0.60±0.62±0.63±0.66±0.67

±0.68±0.70±0.73±0.74±0.78

±0.82±0.87±0.92±0.97±1.00

±1.02±1.04±1.09±1.10±1.12

±1.17±1.21±1.26±1.27±1.30

±1.34±1.39±1.42

±1.42±1.47

±1.51±1.56±1.59±1.64±1.68

±1.72±1.77±1.81±1.86

49 50

48 50 52 53 55

56 58 60 62 63

65 67 70 71 75

80 85 90 95 100

102 105 110 112 115

120 125 130 132 135

140 145 150

150 155

160 165 170 175 180

185 190 195 200

0 −0.08

0 −0.10

0 −0.10

＋0.08 0

＋0.10 0

＋0.10 0

No backup ring


static application)


static application)

(unit: mm)

OR □OR □

OR □OR □OR □OR □OR □






OR □OR □OR □

OR □OR □


OR □OR □OR □OR □

Max. 0.14

Max. 0.16

Max. 0.18

P 49P 50

P 48AP 50AP 52P 53P 55

P 56P 58P 60P 62P 63

P 65P 67P 70P 71P 75

P 80P 85P 90P 95P 100

P 102P 105P 110P 112P 115

P 120P 125P 130P 132P 135

P 140P 145P 150

P 150AP 155

P 160P 165P 170P 175P 180

P 185P 190P 195P 200

-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N-N

-N-N

-N-N-N-N-N

-N-N-N-N

G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

dφ G

W90＋5°－0°90 ＋5°－0°

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°

H

外圧用D2φ

G

H

内圧用

WW

f

f

d0

D1

φd

φ

D1

φd

φ

G

G

D1

φd

φ

D1

φd

φG

G





External pressure

Internal pressure

O-Ring dimension Dynamic application Cylindrical static application Groove Flat face static application(Extrusion clearance: refer to Figure 1-3 on Page 15)





D1, D2d Tolerance ToleranceNo

backup ring

One side backup

ring

Both sides backup


value

Groove dimension (according to JIS specification)NOK code



TypeDimension

code

ThicknessW


Inside diameter

d0

O-Ring dimension


code left **

Burr dimension

f

A305（NBR-70-1）

A105（NBR-90）

A122（NBR-70-2）

S503（VMQ

-70）

F201（FKM

-70）


NBR-90

Class 1BA105

NBR-70-2Class 2A122

VMQ-70

Class 4CS503

FKM-70

Class 4DF201




3.5 and its material of FKM-70,　・JIS dimension identification code: OR FKM-70 P49-N　・NOK code: CO 00047 O0



P se

ries

P se

ries

**Example: OR NBR-70-1 P49-N, OR FKM-70 P49-N



G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

dφ G

W90＋5°－0°90 ＋5°－0°

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°

H

外圧用D2φ

G

H

内圧用

WW

f

f

d0

D1

φd

φ

D1

φd

φ

G

G

D1

φd

φ

D1

φd

φG

G

26 27

CO 00092CO 00093CO 00094CO 00095CO 00096

CO 00097CO 00098CO 00099CO 00100CO 00101

CO 00102CO 00103CO 00104CO 00105CO 00106

CO 00107CO 00108CO 00109CO 00110CO 00111

CO 00112CO 02147*CO 08835*CO 00113CO 00114

CO 08836*CO 07645*CO 00115CO 00116CO 08837*

CO 06615*CO 00117CO 00118CO 06630*CO 08838*

CO 00119CO 02274*CO 00120CO 06650*CO 08839*

CO 00121CO 02311*CO 06663*CO 02337*CO 08840*

CO 02359*CO 02371*

P 205P 209P 210P 215P 220

P 225P 230P 235P 240P 245

P 250P 255P 260P 265P 270

P 275P 280P 285P 290P 295

P 300P 305*P 310*P 315P 320

P 325*P 330*P 335P 340P 345*

P 350*P 355P 360P 365*P 370*

P 375P 380*P 385P 390*P 395*

P 400P 405*P 410*P 415*P 420*

P 425*P 430*

A

B

—

B

—

B

—

B—

B—B—

B

—

C

—

C

—

C

—

C—

C—C—

C

—

L

—

L

—

L

—

L—

L—L—

L

—

G0O0H0G0U3

G0U3U3H0U3

G0G0U3G0G0

G0G0N0N0G0

N0G0O0G0

G0G0N0

G0

G0

G0

G0G0G0G0

G0

G0

220 224 225 230 235

240 245 250 255 260

265 270 275 280 285

290 295 300 305 310

315 320 325 330 335

340 345 350 355 360

365 370 375 380 385

390 395 400 405 410

415 420 425 430 435

440 445

8.4±0.15

204.5 208.5 209.5 214.5 219.5

224.5 229.5 234.5 239.5 244.5

249.5 254.5 259.5 264.5 269.5

274.5 279.5 284.5 289.5 294.5

299.5 304.5 309.5 314.5 319.5

324.5 329.5 334.5 339.5 344.5

349.5 354.5 359.5 364.5 369.5

374.5 379.5 384.5 389.5 394.5

399.5 404.5 409.5 414.5 419.5

424.5 429.5

±1.58±1.61±1.62±1.65±1.68

±1.71±1.75±1.78±1.81±1.84

±1.88±1.91±1.94±1.97±2.01

±2.04±2.07±2.10±2.14±2.17

±2.20±2.24±2.27±2.30±2.33

±2.36±2.39±2.42±2.45±2.48

±2.51±2.54±2.57±2.60±2.63

±2.67±2.70±2.73±2.77±2.79

±2.82

±3.00

±2.37±2.41±2.43±2.47±2.52

±2.56±2.62±2.67±2.71±2.76

±2.82±2.86±2.91±2.95±3.01

±3.06±3.10±3.15±3.21±3.25

±3.30——

±3.45±3.49

——

±3.63±3.67

—

—±3.81±3.85

——

±4.00—

±4.09——

±4.23

—

±1.89±1.93±1.94±1.98±2.01

±2.05±2.10±2.13±2.17±2.20

±2.25±2.29±2.32±2.36±2.41

±2.44±2.48±2.52±2.56±2.60

±2.64±2.69±2.72±2.76±2.79

±2.83±2.87±2.90±2.94±2.98

±3.01±3.04±3.08±3.12±3.16

±3.20±3.24±3.27±3.32±3.35

±3.38

±3.60

205 209 210 215 220

225 230 235 240 245

250 255 260 265 270

275 280 285 290 295

300 305 310 315 320

325 330 335 340 345

350 355 360 365 370

375 380 385 390 395

400 405 410 415 420 425 430

0 −0.10

11.0 13.0 17.0 6.9 1.2 0.12

＋ 0.10 0

*For this code, only material A305 or F201 is available.**Example: OR NBR-70-1 P205-N, OR FKM-70 P205-N

No backup ring


static application)


static application)

(unit: mm)










OR □OR □

P 205P 209P 210P 215P 220

P 225P 230P 235P 240P 245

P 250P 255P 260P 265P 270

P 275P 280P 285P 290P 295

P 300P 305P 310P 315P 320

P 325P 330P 335P 340P 345

P 350P 355P 360P 365P 370

P 375P 380P 385P 390P 395

P 400P 405P 410P 415P 420

P 425P 430

-N-N-N-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N*-N*-N-N

-N*-N*-N-N-N*

-N*-N-N-N*-N*

-N-N*-N-N*-N*

-N-N*-N*-N*-N*

-N*-N*

Max. 0.18

Max. 0.18





External pressure

Internal pressure


NOK code



TypeDimension

code

ThicknessW


Inside diameter

d0

O-Ring dimension


code left **

Burr dimension

f

A305（NBR-70-1）

A105（NBR-90）

A122（NBR-70-2）

S503（VMQ

-70）

F201（FKM

-70）


NBR-90

Class 1BA105

NBR-70-2Class 2A122

VMQ-70

Class 4CS503

FKM-70

Class 4DF201






backup ring

One side backup

ring

Both sides backup


value





8.4 and its material of FKM-70,　・JIS dimension identification code: OR FKM-70 P205-N　・NOK code: CO 00092 G0




・Class 3 (SBR) ・Class 4E (ACM) ・Class 5 (EPDM) ・Material H (H-NBR)

P se

ries

P se

ries

G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

dφ G

W90＋5°－0°90 ＋5°－0°

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°

H

外圧用D2φ

G

H

内圧用

WW

f

f

d0

D1

φd

φ

D1

φd

φ

G

G

D1

φd

φ

D1

φd

φG

G

28 29

CO 02383*CO 08841*CO 06681*CO 08842*

CO 02433*CO 08843*CO 02453*CO 08844*CO 08845*

CO 06734*CO 09165*DO 09015*DO 09016*CO 09057*

P 435*P 440*P 445*P 450*

P 455*P 460*P 465*P 470*P 475*

P 480*P 485*P 490*P 495*P 500*

A — — —

G0G0G0G0

G0G0H0G0G0

G0G0G0G0G0

450 455 460 465

470 475 480 485 490

495 500 505 510 515

8.4±0.15

434.5 439.5 444.5 449.5

454.5 459.5 464.5 469.5 474.5

479.5 484.5 489.5 494.5 499.5

±3.00

±3.30

—

—

±3.60

±4.00

435 440 445 450

455 460 465 470 475

480 485 490 495 500

0 −0.10

*For this code, only material A305 or F201 is available.**Example: OR NBR-70-1 P435-N, OR FKM-70 P435-N

11.0 13.0 17.0 6.9 1.2 0.12 ＋ 0.10 0

No backup ring


static application)


static application)

(unit: mm)

OR □OR □OR □OR □



P 435P 440P 445P 450

P 455P 460P 465P 470P 475

P 480P 485P 490P 495P 500

-N*-N*-N*-N*

-N*-N*-N*-N*-N*

-N*-N*-N*-N*-N*

Max. 0.18

Max. 0.18


External pressure

Internal pressure

O-Ring dimension Dynamic application Cylindrical static application Groove Flat face static application(Extrusion clearance: refer to Figure 1-3 on )




NOK code



TypeDimension

code

ThicknessW


Inside diameter

d0

O-Ring dimension


code left **

Burr dimension

f

A305（NBR-70-1）

A105（NBR-90）

A122（NBR-70-2）

S503（VMQ

-70）

F201（FKM

-70）


NBR-90

Class 1BA105

NBR-70-2Class 2A122

VMQ-70

Class 4CS503

FKM-70

Class 4DF201






backup ring

One side backup

ring

Both sides backup


value





8.4 and its material of FKM-70,　・JIS dimension identification code: OR FKM-70 P435-N　・NOK code: CO 02383 G0



P se

ries

P se

ries



WW

ff

d0

Dφd

φ

Dφd

φG

G

30 31

CO 00200CO 00201CO 00202CO 00203CO 00204

CO 00205CO 00206CO 00207CO 00208CO 00209

CO 00210CO 00211CO 00212CO 00213CO 00214

CO 00215CO 00216CO 00217CO 00218CO 00219

CO 00220CO 00221CO 00222CO 00223CO 00224

CO 00225CO 00226CO 00227CO 00228CO 00229

CO 00230CO 00231CO 00232CO 00233CO 00234

CO 00235CO 01968*CO 00236CO 03303*CO 00237

CO 02011*CO 00238CO 02031*CO 00239CO 02060*

CO 00240CO 02079*CO 00241

G 25G 30G 35G 40G 45

G 50G 55G 60G 65G 70

G 75G 80G 85G 90G 95

G 100G 105G 110G 115G 120

G 125G 130G 135G 140G 145

G 150G 155G 160G 165G 170

G 175G 180G 185G 190G 195

G 200G 205*G 210G 215*G 220

G 225*G 230G 235*G 240G 245*

G 250G 255*G 260

A

A

B

B

—B—B—B—B—

B—B

C

C

—C—C—C—C—

C—C

L

L

—L—L—L—L—

L—L

R6U0U2U2U2

U0R8U0Q6U2

U2U2Q1U2U2

U2U2U2U2R0

U2U2U2X0U2

U3U3U3U3U3

U3W0U3U3U3

U3H0V0O0U3

P0U3O0U3G0

U3H0U3

3035404550

5560657075

80859095

100

105110115120125

130135140145150

160165170175180

185190195200205

210215220225230

235240245250255

260265270

3.1±0.1

5.7±0.13

24.429.434.439.444.4

49.454.459.464.469.4

74.479.484.489.494.4

99.4104.4109.4114.4119.4

124.4129.4134.4139.4144.4

149.3154.3159.3164.3169.3

174.3179.3184.3189.3194.3

199.3204.3209.3214.3219.3

224.3229.3234.3239.3244.3

249.3254.3259.3

±0.25±0.29±0.33±0.37±0.41

±0.45±0.49±0.53±0.57±0.61

±0.65±0.69±0.73±0.77±0.81

±0.85±0.87±0.91±0.94±0.98

±1.01±1.05±1.08±1.12±1.16

±1.19±1.23±1.26±1.30±1.33

±1.37±1.40±1.44±1.47±1.51

±1.55±1.58±1.61±1.65±1.68

±1.71±1.73±1.78±1.81±1.85

±1.88±1.91±1.94

±0.37±0.43±0.49±0.55±0.61

±0.67±0.73±0.79±0.85±0.91

±0.97±1.03±1.09±1.15±1.21

±1.27±1.30±1.36±1.41±1.47

±1.51±1.57±1.62±1.68±1.74

±1.78±1.84±1.89±1.95±1.99

±2.05±2.10±2.16±2.20±2.26

±2.32—

±2.41—

±2.52—

±2.59—

±2.71—

±2.82—

±2.91

±0.30±0.34±0.39±0.44±0.49

±0.54±0.58±0.63±0.68±0.73

±0.78±0.82±0.87±0.92±0.97

±1.02±1.04±1.09±1.12±1.17

±1.21±1.26±1.29±1.34±1.39

±1.42±1.47±1.51±1.56±1.59

±1.64±1.68±1.72±1.76±1.81

±1.86±1.90±1.93±1.98±2.01

±2.05±2.07±2.14±2.17±2.22

±2.25±2.29±2.32

2530354045

5055606570

7580859095

100105110115120

125130135140145

150155160165170

175180185190195

200205210215220

225230235240245

250255260

0 −0.10

0 −0.10

4.1

7.5

5.6

9.0

7.3

11.5

2.4

4.6

0.7

0.8

0.08

0.10

＋0.10 0

＋0.10 0

*For this code, only material A305 or F201 is available.**Example: OR NBR-70-1 G25-N, OR FKM-70 G25-N

No backup ring


static application)


static application)

(unit: mm)










OR □OR □OR □

G 25G 30G 35G 40G 45

G 50G 55G 60G 65G 70

G 75G 80G 85G 90G 95

G 100G 105G 110G 115G 120

G 125G 130G 135G 140G 145

G 150G 155G 160G 165G 170

G 175G 180G 185G 190G 195

G 200G 205G 210G 215G 220

G 225G 230G 235G 240G 245

G 250G 255G 260

-N-N-N-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N-N-N-N

-N-N*-N-N*-N

-N*-N-N*-N-N*

-N-N*-N

Max. 0.12

Max. 0.16

G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

dφ G

W90＋5°－0°90 ＋5°－0°

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°

H

外圧用Dφ

G

H

内圧用(Note) Chamfer according to

NOK recommendation

External pressure

Internal pressure

O-Ring dimension Cylindrical static application Groove Flat face static application(Extrusion clearance: refer to Figure 1-3 on Page 15)

JIS B 2401-1 G series (Static application)



NOK code



TypeDimension

code

ThicknessW


Inside diameter

d0

O-Ring dimension


code left **

Burr dimension

f

A305（NBR-70-1）

A105（NBR-90）

A122（NBR-70-2）

S503（VMQ

-70）

F201（FKM

-70）


NBR-90

Class 1BA105

NBR-70-2Class 2A122

VMQ-70

Class 4CS503

FKM-70

Class 4DF201

Dimension d Dimension D Dimension H Dimension R Maximum misalignment(TIR)




Dd Tolerance ToleranceNo

backup ring

One side backup

ring

Both sides backup


value




　・JIS dimension identification code: OR NBR-70-1 G25-N　・NOK code: CO 00200 A　Example 2) In the case of O-Ring ID of 24.4, its thickness of

3.1 and its material of FKM-70,　・JIS dimension identification code: OR FKM-70 G25-N　・NOK code: CO 00200 R6



G s

erie

s

G s

erie

s



WW

ff

d0

Dφd

φ

Dφd

φG

G

32 33

CO 06543*CO 00242CO 02100*CO 00243CO 03210*

CO 00244CO 06566*CO 00245DO 01137*CO 02158*

CO 08811*CO 02176*CO 08812*CO 08813*CO 08814*

CO 02206*CO 02216*CO 02223*CO 08815*CO 02244*

CO 08816*CO 08817*CO 08818*CO 02272*CO 08819*

CO 02287*CO 08820*CO 02301*CO 08821*CO 08822*

CO 02336*CO 08823*CO 02358*CO 08824*CO 08825*

CO 08826*CO 08827*CO 02417*CO 08828*CO 02441*

CO 06715*CO 02460*CO 08829*CO 08830*CO 08831*

CO 08832*CO 08833*CO 08834*

G 265*G 270G 275*G 280G 285*

G 290G 295*G 300G 305*G 310*

G 315*G 320*G 325*G 330*G 335*

G 340*G 345*G 350*G 355*G 360*

G 365*G 370*G 375*G 380*G 385*

G 390*G 395*G 400*G 405*G 410*

G 415*G 420*G 425*G 430*G 435*

G 440*G 445*G 450*G 455*G 460*

G 465*G 470*G 475*G 480*G 485*

G 490*G 495*G 500*

A

—B—B—

B—B

—

—C—C—

C—C

—

—L—L—

L—L

—

H0U3H0U3H0

U3P0U3

G0

275280285290295

300305310315320

325330335340345

350355360365370

375380385390395

400405410415420

425430435440445

450455460465470

475480485490495

500505510

5.7±0.13

264.3269.3274.3279.3284.3

289.3294.3299.3304.3309.3

314.3319.3324.3329.3334.3

339.3344.3349.3354.3359.3

364.3369.3374.3379.3384.3

389.3394.3399.3404.3409.3

414.3419.3424.3429.3434.3

439.3444.3449.3454.3459.3

464.3469.3474.3479.3484.3

489.3494.3499.3

±1.98±2.01±2.04±2.07±2.11

±2.14±2.17±2.20±2.24±2.27

±2.30±2.33±2.36±2.39±2.42

±2.45±2.48±2.51±2.54±2.57

±2.60±2.63±2.67±2.70±2.73

±2.77±2.79±2.82

±3.00

±3.30

—±3.01

—±3.10

—

±3.21—

±3.30

—

±2.38±2.41±2.45±2.48±2.53

±2.56±2.60±2.64±2.69±2.72

±2.76±2.80±2.83±2.87±2.90

±2.94±2.98±3.01±3.05±3.08

±3.12±3.16±3.20±3.24±3.28

±3.32±3.35±3.38

±3.60

±4.00

265270275280285

290295300305310

315320325330335

340345350355360

365370375380385

390395400405410

415420425430435

440445450455460

465470475480485

490495500

0 − 0.10

7.5 9.0 11.5 4.6 0.8 0.10 ＋ 0.10 0

*For this code, only material A305 or F201 is available.**Example: OR NBR-70-1 G265-N, OR FKM-70 G265-N

(unit: mm)










OR □OR □OR □

G 265G 270G 275G 280G 285

G 290G 295G 300G 305G 310

G 315G 320G 325G 330G 335

G 340G 345G 350G 355G 360

G 365G 370G 375G 380G 385

G 390G 395G 400G 405G 410

G 415G 420G 425G 430G 435

G 440G 445G 450G 455G 460

G 465G 470G 475G 480G 485

G 490G 495G 500

-N*-N-N*-N-N*

-N-N*-N-N*-N*

-N*-N*-N*-N*-N*

-N*-N*-N*-N*-N*

-N*-N*-N*-N*-N*

-N*-N*-N*-N*-N*

-N*-N*-N*-N*-N*

-N*-N*-N*-N*-N*

-N*-N*-N*-N*-N*

-N*-N*-N*

Max. 0.16

Max. 0.16

Max. 0.16

No backup ring


static application)


static application)G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

dφ G

W90＋5°－0°90 ＋5°－0°

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°

H

外圧用Dφ

G

H

内圧用(Note) Chamfer according to

NOK recommendation

External pressure

Internal pressure


NOK code



TypeDimension

code

ThicknessW


Inside diameter

d0

O-Ring dimension


code left **

Burr dimension

f

A305（NBR-70-1）

A105（NBR-90）

A122（NBR-70-2）

S503（VMQ

-70）

F201（FKM

-70）


NBR-90

Class 1BA105

NBR-70-2Class 2A122

VMQ-70

Class 4CS503

FKM-70

Class 4DF201

Dimension d Dimension D Dimension H Dimension R Maximum misalignment(TIR)




Dd Tolerance ToleranceNo

backup ring

One side backup

ring

Both sides backup


value


JIS B 2401-1 G series (Static application)





　・JIS dimension identification code: OR NBR-70-1 G265-N　・NOK code: CO 06543 A　Example 2) In the case of O-Ring ID of 264.3, its thickness of

5.7 and its material of FKM-70,　・JIS dimension identification code: OR FKM-70 G265-N　・NOK code: CO 06543 H0

G s

erie

s

G s

erie

s





WW

max. 0.15max. 0.1

d0

D1

φ G

G

dφ

D1

φdφ

3534

CO 0500CO 0501CO 0502CO 0503CO 0504

CO 0505CO 0506CO 0507CO 0508CO 0509

CO 0510CO 0511CO 0512CO 0513CO 0514

CO 0515CO 0516

CO 0517CO 0518CO 0519CO 0520CO 0521

CO 0522CO 0523CO 0524CO 0525CO 0526

CO 0527CO 0528CO 0529CO 0530CO 0531

CO 0532

CO 0533

S 3S 4S 5S 6S 7

S 8S 9S 10S 11.2S 12

S 12.5S 14S 15S 16S 18

S 20S 22

S 22.4S 24S 25S 26S 28

S 29S 30S 31.5S 32S 34

S 35S 35.5S 36S 38S 39

S 40

S 42

1.5±0.1

2.0±0.1

2.5 3.5 4.5 5.5 6.5

7.5 8.5 9.5 10.7 11.5

12.0 13.5 14.5 15.5 17.5 19.5 21.5 21.9 23.5 24.5 25.5 27.5 28.5 29.5 31.0 31.5 33.5

34.5 35.0 35.5 37.5 38.5

39.5

41.5

±0.15

±0.25

±0.24

±0.3

±0.5

3 4 5 6 7

8 9 10 11.2 12

12.5 14 15 16 18

20 22

22.4 24 25 26 28

29 30 31.5 32 34

35 35.5 36 38 39

40

42

5 6 7 8 9

10 11 12 13.2 14 14.5 16 17 18 20

22 24

25.4 27 28 29 31

32 33 34.5 35 37

38 38.5 39 41 42

43 45

5.8 6.6 7.4 8.3 9.3

10.3 11.3 12.3 13.5 14.3 14.8 16.3 17.3 18.3 20.3

22.3 24.3

25.9 27.5 28.5 29.5 31.5

32.5 33.5 35 35.5 37.5

38.5 39 39.5 41.5 42.5

43.5 45.5

2.5

2.7

1.0

1.5

A

A

O3P3P3Q2S0

P0O1O3P2N2

Q0R0P2N4R0

O2N1

P2O4U3N2N2

Q0P8U3U3N3

P0N0P0G0U3

H0

U3

d 　0 −0.05 D1 ＋0.05

　0 D2 ＋0.05 　0 G ＋0.25

　0 H 　0 −0.1A305 F201 A305 F201

NOK code


Callout number

TypeDimension

code

ThicknessW

Inside diameter

d0

O-Ring dimension Groove dimension

CO 0534CO 0535CO 0536CO 0537CO 0538

CO 0539CO 0540CO 0541CO 0542CO 0543

CO 0544CO 0545CO 0546

CO 0547CO 0548CO 0549CO 0550CO 0551

CO 0552CO 0553CO 0554CO 0555CO 0556

CO 0557CO 0558CO 0559

CO 0560CO 0561CO 0562CO 0563CO 0564

CO 0565

S 44 S 45 S 46 S 48 S 50

S 53 S 55 S 56 S 60 S 63

S 65 S 67 S 70

S 71 S 75 S 80 S 85 S 90

S 95 S 100 S 105 S 110 S 112

S 115 S 120 S 125

S 130 S 132 S 135 S 140 S 145

S 150

2.0±0.1

43.5 44.5 45.5 47.5 49.5

52.5 54.5 55.5 59.5 62.5

64.5 66.5 69.5

70.5 74.5 79.5 84.5 89.5

94.5 99.5 104.5 109.5 111.5

114.5 119.5 124.5

129.5 131.5 134.5 139.5 144.5

149.5

±0.25

±0.4

±0.6

±0.5

±0.8

±1.2

44 45 46 48 50

53 55 56 60 63

65 67 70

71 75 80 85 90

95 100 105 110 112

115 120 125

130 132 135 140 145

150

47 48 49 51 53

56 58 59 63 66

68 70 73

74 78 83 88 93

98 103 108 113 115

118 123 128

133 135 138 143 148

153

47.5 48.5 49.5 51 53

56 58 59 63 66

68 70 73

74 78 83 88 93

98 103 108 113 115

118 123 128

133 135 138 143 148

153

2.7 1.5

A305 F201

A

A

A

U3H0G0G0U3

U3U3H0G0G0

P0U3U3

G0R0U3N2G0

U3G0N3U3N0

N1U3G0

G0G0G0G0G0

G0

A305 F201 d 　0 −0.05 D1 ＋0.05

　0 D2 ＋0.05 　0 G ＋0.25

　0 H 　0 −0.1

NOK S series (Static application) Material (NOK symbol) A305 F201

NOK S series are small thickness O-Ring usually found in small machine.■ When ordering, please indicate ‘NOK code’.　Example 1) In the case of O-Ring ID of 8.5, its thickness of

1.5 and its material of A305,　　・NOK code: CO 0506 A type/dimension code material code　Example 2) In the case of O-Ring ID of 8.5, its thickness of

1.5 and its material of F201,　　・NOK code: CO 0506 O1 type/dimension code material code

(unit: mm)(unit: mm)

dφ G

G

W90＋5°－0°90 ＋5°－0°

max. R0.3

R0.1～R0.2

0°～5°

max. R0.3

R0.1～R0.2

0°～5°

H

D2φG

H


External pressure

Internal pressure


NOK code


Callout number

TypeDimension

code

ThicknessW

Inside diameter

d0


S se

ries

S se

ries

3736

CO 3325CO 2956CO 3700CO 3835DO 1127

CO 7820CO 3729CO 3370CO 3765CO 3216

CO 8846CO 5497CO 4275CO 7044CO 4945

CO 7949CO 8847CO 8848CO 8849CO 5952

CO 8850

SS 2SS 2.5SS 3SS 3.5SS 4

SS 4.5SS 5SS 5.5SS 6SS 6.5

SS 7SS 7.5SS 8SS 8.5SS 9

SS 9.5SS 10SS 10.5SS 11SS 11.5

SS 12

1.0±0.07

1.8 2.0 2.5 3.0 3.5

4.0 4.5 5.0 5.5 6.0

6.5 7.0 7.5 8.0 8.5

9.0 9.5 10.0 10.5 11.0

11.5

±0.15 ±0.20

2.0 2.5 3.0 3.5 4.0

4.5 5.0 5.5 6.0 6.5

7.0 7.5 8.0 8.5 9.0

9.5 10.0 10.5 11.0 11.5

12.0

1.9 2.1 2.6 3.1 3.6

4.1 4.6 5.1 5.6 6.1

6.6 7.1 7.6 8.1 8.6

9.1 9.6 10.1 10.6 11.1

11.6

3.3 3.8 4.3 4.8 5.3

5.8 6.3 6.8 7.3 7.8

8.3 8.8 9.3 9.8 10.3

10.8 11.3 11.8 12.3 12.8

13.3

3.3 3.5 4.0 4.5 5.0

5.5 6.0 6.5 7.0 7.5

8.0 8.5 9.0 9.5 10.0

10.5 11.0 11.5 12.0 12.5

13.0

3.7 3.9 4.3 4.7 5.1

5.5 6.0 6.5 7.0 7.5

8.0 8.5 9.0 9.5 10.0

10.5 11.0 11.5 12.0 12.5

13.0

1.5 0.7

1524344055

7085

100120150

175

225275325380430

480530585640690

740790845950

1055

＋1.0 　0

＋1.5 　0

＋2.0 　0

2534445065

8095

110130160

185

241291341396446

504554609664714

764814869974

1079

5.0

8.0

12.0

3.0

4.5

7.0

Dimension G1

Tolerance G1

Dimension G2

G ＋0.1 　0 S 　0

−0.2

A305 F201

A

N0N1G0N0G0

N0N0H0N0H0

G0G0P0H0G0

G0G0G0G0H0

G0

A305 F201 d1 　0 −0.05 d2 　0

−0.05 D1 ＋0.05 　0 D2 ＋0.05

　0 D3 ＋0.05 　0 G ＋0.15

　0 H ＋0.05 　0

NOK SS series (Static application) Material (NOK symbol) A305 F201

O-Ring dimension

JIS B 2401-1 V series (Vacuum flange application)

MaterialJIS symbol NBR-70-1 FKM-70

Old JIS symbol Class 1A Class 4DNOK symbol A305 F201

NOK code

Material code


TypeDimension

code

CO 00300CO 00301CO 00302CO 00303CO 00304

CO 00305CO 00306CO 00307CO 00308CO 00309

CO 00310

CO 00311CO 00312CO 00313CO 00314CO 00315

CO 00316CO 00317CO 00318CO 00319CO 00320

CO 00321CO 00322CO 00323CO 00324CO 00325

V 15V 24V 34V 40V 55

V 70V 85V 100V 120V 150

V 175

V 225V 275V 325V 380V 430

V 480V 530*V 585*V 640*V 690*

V 740*V 790*V 845*V 950*V1055*

OR □V 15 -NOR □V 24 -NOR □V 34 -NOR □V 40 -NOR □V 55 -N


OR □V 175 -N


OR □V 480 -NOR □V 530 -N*OR □V 585 -N*OR □V 640 -N*OR □V 690 -N*

OR □V 740 -N*OR □V 790 -N*OR □V 845 -N*OR □V 950 -N*OR □V 1055-N*

4.0±0.1

6.0±0.15

10.0±0.3

Max. 0.14

Max. 0.16

Max. 0.18

14.5 23.5 33.5 39.5 54.5

69.0 84.0 99.0

119.0 148.5

173.0

222.5 272.0 321.5 376.0 425.5

475.0 524.5 579.0 633.5 683.0

732.5782.0836.5940.5

1044.0

±0.20±0.24±0.33±0.37±0.49

±0.61±0.72±0.83±0.97±1.18

±1.36

±1.70±2.02±2.34±2.68±2.99

±3.30±3.60±3.92±4.24±4.54

±4.83±5.12±5.44±6.06±6.67

±0.24±0.28±0.39±0.44±0.58

±0.73±0.86±0.99±1.16±1.41

±1.63

±2.04±2.42±2.80±3.21±3.58

±3.96±4.32±4.70±5.08±5.44

±5.79±6.14±6.52±7.27±8.00

ThicknessW


code left **


Inside diameter

d0

Burr dimension

f


FKM-70

Class 4DF201

A

A

A

U3G0G0G0G0

H0G0H0U3U3

P0

U3G0G0G0P0

G0Q0

G0

A305（NBR -70-1）

F201（FKM

-70）

O-Ring dimension Flange Groove dimension (according to JIS specification)


d1φ G

G

W90＋5°－0°90 ＋5°－0°

R0.1～R0.2

0°～5°

R0.1～R0.2

0°～5°

H

D3φG

H

max. R0.3 max. R0.3

WW

max. 0.15

max. 0.1

d0

D1

φd1φ

D2

φd2φG

G

WW

f

f

d0

G1φG2φ

G

S

*For this code , equivalent to JIS B 2401-1 V Series.**Example: OR NBR-70-1 V15-N, OR FKM-70 V15-N


External pressure

Internal pressure


NOK code


Callout number

TypeDimension

code

ThicknessW

Inside diameter

d0


SS s

erie

s

V se

ries

NOK SS series are small thickness O-Ring usually found in small machine.■ When ordering, please indicate ‘NOK code’.　Example 1) In the case of O-Ring ID of 11.5, its thickness of

1.0 and its material of A305,　　・NOK code: CO 8850 A type/dimension code material code　Example 2) In the case of O-Ring ID of 11.5, its thickness of

1.0 and its material of F201,　　・NOK code: CO 8850 G0 type/dimension code material code


　Example) In the case of O-Ring ID of 99.0, its thickness of 4.0 and its material of NBR-70-1,

　・JIS dimension identification code: OR NBR-70-1 V100-N　・NOK code: CO 00307 A



Tolerance of inside diameter ‘d0’

(Static application, AN6227 for Dynamic application)Old ARP568 AS568 series (Hydraulic application for Aerospace) Material (NOK symbol) A305 A105 F201

■ When ordering, please indicate ‘NOK code’.　Example 1) In the case of O-Ring ID of 2.9, its

thickness of 1.78 and its material of A305,　　・NOK code: CO 0400 A type/dimension code material code　Example 2) In the case of O-Ring ID of 2.9, its

thickness of 1.78 and its material of F201,　　・NOK code: CO 0400 H0 type/dimension code material code

Groove is referred to Page 16 - 17, and Page 75.

38 39

A305 A105 F201

A B

H0H0H0

O0N0

H0H0O0H0G0

G0O4

N0X0G0O0G0

O0

N0N0N0O0G0

G0G0G0G0G0

H0G0H0G0H0

G0G0G0G0G0

G0G0G0G0H0

G0G0G0N0

A305A105 F201

CO 8424CO 3387CO 3388

CO 5146CO 3052

CO 0400CO 0401CO 0402CO 0403CO 0404

CO 0405CO 0407

CO 3174CO 1119CO 1140CO 3035CO 1179

CO 1203

CO 1225CO 1241CO 3037CO 4368CO 3173

CO 1302CO 3636CO 3093CO 7771CO 3092

CO 6134CO 3191CO 5191CO 3235CO 5346

CO 1467CO 7772CO 4714CO 8462CO 8231

CO 4699CO 4457CO 7129CO 4335CO 3010

CO 8205CO 4251CO 4873CO 4947

12345

67

001002003

004005

006007008009010

011012

013014015016017

018

019020021022023

024025026027028

029030031032033

034035036037038

039040041042043

044045046047

1.02±0.071.27±0.071.52±0.07

1.78±0.07

0.741.071.42

1.782.57

2.903.684.475.286.07

7.659.25

10.8212.4214.0015.6017.17

18.77

20.3521.9523.5225.1226.70

28.3029.8731.4733.0534.65

37.8241.0044.1747.3550.52

53.7056.8760.0563.2266.40

69.5772.7575.9282.2788.62

94.97101.32107.67114.02

± 0.10

± 0.12

± 0.15

± 0.25

± 0.38

± 0.10

± 0.12

± 0.17

± 0.22

± 0.25

± 0.27

± 0.33

± 0.38

± 0.45

± 0.50

± 0.60

± 0.68

± 0.76

A305 A105 F201

A

A

B

B

G0

G0N0

G0G0G0G0G0

G0G0O0

R0P0U3P2U3

R0N2

H0G0G0N0H0

H0G0G0G0U3

G0G0

G0G0G0G0G0

G0G0H0G0G0

G0H0N0G0G0

N0

A305A105 F201

CO 4252

CO 8463CO 4948

CO 8485CO 8464CO 8465CO 8466CO 8467

CO 6006CO 8468CO 3084

CO 0406CO 0408CO 0409CO 0410CO 0411

CO 0412CO 0414

CO 4370CO 1240CO 6065CO 3805CO 3601

CO 4128CO 3105CO 3112CO 3230CO 3449

CO 1367CO 1380

CO 3851CO 4408CO 6151CO 6155CO 3152

CO 1433CO 8469CO 4330CO 1461CO 3707

CO 6189CO 3107CO 6202CO 6210CO 7872

CO 4253

89

101112

1314

048

049050

102103104105106

107108109

110111112113114

115116

117118119120121

122123124125126

127128

129130131132133

134135136137138

139140141142143

144

1.78±0.07

2.62±0.07

120.37

126.72133.07

1.242.062.843.634.42

5.236.027.59

9.1910.7712.3713.9415.54

17.1218.72

20.2921.8923.4625.0726.64

28.2429.8231.4232.9934.59

36.1737.77

39.3440.9442.5244.1245.69

47.2948.9050.4752.0753.64

55.2456.8258.4259.9961.59

63.17

± 0.38

± 0.58

± 0.12

± 0.15

± 0.25

± 0.76

± 0.93

± 0.12

± 0.17

± 0.22

± 0.25

± 0.30

± 0.38

± 0.43

± 0.50

(Note) O-Ring thickness, inside diameter tolerance and burr dimension is the same as old JIS W 1516 or 1517.


W

Wmax. 0.12

max. 0.07

d0

NOK code


Old AN6227

Old JISW1516Callout number

Old AN6230


AS568（old ARP568）

Callout number

TypeDimension

code

ThicknessW

Inside diameter

d0

O-Ring dimension

AS5

68 s

erie

s

AS5

68 s

erie

s

NOK code


Old AN6227



Callout number

TypeDimension

code

ThicknessW

Inside diameter

d0

O-Ring dimensionOld AN6230


40 41

A305 A105 F201

A B

O3P4R0U3N0

R0P0U3Q0

O0Q0O3R0Q0

U3R0U3U3

P0U3U3U3P0

O0Q0U3N1R0

U3U3U3U3U3

U3U3U3U3

U3N0U3G0U3

G0U3Q0U3U3

U3

A305A105 F201

CO 0418CO 0419CO 0420CO 0421CO 0422

CO 0423CO 0424CO 0425CO 0426

CO 0350CO 0351CO 0352CO 0353CO 0354

CO 0355CO 0356CO 0357CO 0358

CO 0359CO 0360CO 0361CO 0362CO 0363

CO 0364CO 0365CO 0366CO 0367CO 0368

CO 0369CO 0370CO 0371CO 0372CO 0373

CO 0374CO 1672CO 1680CO 1691

CO 1705CO 1717CO 4047CO 1744CO 1762

CO 1774CO 1786CO 1805CO 1829CO 1856

CO 1880

1920212223

24252627

214215216217218

219220221222

223224225226227

228229230231

232233234235236

237238239240241

242243244245246

247248249250

251252253254255

256257258259260

261

3.53±0.10

24.9926.5728.1729.7431.34

32.9234.5236.0937.69

40.8744.0447.2250.3953.57

56.7459.9263.0966.27

69.4472.6275.7978.9782.14

85.3288.4991.6794.8498.02

101.19104.37107.54110.72113.89

117.07120.24123.42126.59

129.77132.94136.12139.29142.47

145.64148.82151.99158.34164.69

171.04

± 0.15

± 0.25

± 0.38

± 0.58

± 0.25

± 0.30

± 0.38

± 0.45

± 0.50

± 0.60

± 0.71

± 0.76

± 0.88

± 1.01


A305 A105 F201

A

A

B

B

G0G0

G0G0H0G0G0

G0G0G0G0G0

G0H0H0

G0H0G0G0G0

G0G0G0

G0G0G0G0G0

G0G0G0G0G0

G0

G0G0X0G0G0

G0H0G0G0

G0P0P0O0

A305A105 F201

CO 1518CO 3148

CO 3103CO 4718CO 6254CO 6261CO 6268

CO 6276CO 3568CO 4837CO 7031CO 1640

CO 5357CO 6356CO 7811

CO 1720CO 4812CO 7130CO 1808CO 1830

CO 5411CO 6432CO 6437

CO 6445CO 8470CO 5303CO 7775CO 5270

CO 7776CO 8187CO 8534DO 1122DO 1123

DO 1124

CO 8471CO 8472CO 4527CO 7048CO 7049

CO 8460CO 7059CO 5250CO 8461

CO 0413CO 0415CO 0416CO 0417

15161718

145146

147148149150151

152153154155156

157158159

160161162163164

165166167

168169170171172

173174175176177

178

201202203204205

206207208209

210211212213

2.62±0.07

3.53±0.10

64.7766.34

67.9469.5271.1272.6975.87

82.2288.5794.92

101.27107.62

113.97120.32126.67

133.02139.37145.72152.07158.42

164.77171.12177.47

183.82190.17196.52202.87209.22

215.57221.92228.27234.62240.97

247.32

4.345.947.529.12

10.69

12.2913.8715.4717.04

18.6420.2221.8223.39

± 0.25

± 0.38

± 0.58

± 0.76

± 0.12

± 0.15

± 0.50

± 0.55

± 0.60

± 0.71

± 0.76

± 0.88

± 1.01

± 1.14

± 1.27

± 1.39

± 0.12

± 0.17± 0.22

± 0.25

12345

6789

1011121314

1516171819

2021222324

25262728

2930313233

3435363738

39

NOK code


Old AN6227


Old AN6230



Callout number

TypeDimension

code

ThicknessW

Inside diameter

d0

O-Ring dimension NOK code


Old AN6227


Old AN6230



Callout number

TypeDimension

code

ThicknessW

Inside diameter

d0

O-Ring dimension



thickness of 2.62 and its material of A305, ・NOK code: CO 4718 A type/dimension code material code　Example 2) In the case of O-Ring ID of 69.52, its

thickness of 2.62 and its material of F201, ・NOK code: CO 4718 G0 type/dimension code material code


W

Wmax. 0.12

max. 0.07

d0

AS5

68 s

erie

s

AS5

68 s

erie

s


42 43

A305 A105 F201

A B

N0U3N0

U3O2U3N0P0

N0U3G0O3U3

U3P0U3U3U3

U3G0G0G0

G0H0G0U3G0

N0G0G0G0G0

G0G0

H0G0U3G0G0

G0G0G0G0G0

G0G0N0G0

A305A105 F201

CO 0434CO 0435CO 0436

CO 0437CO 0438CO 0439CO 0440CO 0441

CO 0442CO 0443CO 0444CO 0445CO 0446

CO 0447CO 0448CO 0449CO 0450CO 0451

CO 6340CO 7779CO 4133CO 6366

CO 4205CO 5131CO 6385CO 5317CO 7782

CO 4111CO 8429CO 7783CO 7784CO 7785

CO 7786CO 7787

CO 7819CO 3417CO 1945CO 7789CO 7790

CO 6492CO 7791CO 7792CO 7793CO 8801

CO 8803CO 7794CO 4905CO 7795

353637

3839404142

4344454647

4849505152

332333334

335336337338339

340341342343344

345346347348349

350351352353

354355356357358

359360361362363

364365

366367368369370

371372373374375

376377378379

5.33±0.12

59.6962.8666.04

69.2272.3975.5678.7481.92

85.0988.2691.4494.6297.79

100.96104.14107.32110.49113.66

116.84120.02123.19126.36

129.54132.72135.89139.07142.24

145.42148.59151.77158.12164.47

170.82177.17

183.52189.86196.22202.57208.92

215.27221.62227.97234.32240.67

247.02253.37266.07278.77

± 0.25

± 0.38

± 0.58

± 0.76

± 0.45

± 0.50

± 0.60

± 0.71

± 0.76

± 0.93

± 1.01

± 1.14

± 1.27

± 1.39

± 1.52


A305 A105 F201

A

A

B

B

U3

U3U3U3U3

U3U3U3G0

G0G0G0G0

N0G0G0G0G0

G0G0

G0H0G0

G0G0O0G0O0

G0

G0G0G0G0G0

O0G0G0G0G0

G0U3G0P0U3

N0U3

A305A105 F201

CO 1893

CO 1915CO 1931CO 1946CO 1959

CO 1979CO 1990CO 2001CO 2018

CO 2032CO 2050CO 2064CO 3415

CO 5748CO 5393CO 2132CO 4602CO 2192

CO 4549CO 2277

CO 4609CO 6675CO 5011

CO 8486CO 8487CO 8488CO 4082CO 8480

CO 8481

CO 7777CO 8482CO 6064CO 3025CO 8483

CO 4337CO 7778CO 4081CO 8484CO 4070

CO 0427CO 0428CO 0429CO 0430CO 0431

CO 0432CO 0433

2829303132

3334

40

41424344

45464748

49505152

262

263264265266

267268269270

271272273274

275276277278279

280281

282283284

309310311312313

314

315316317318319

320321322323324

325326327328329

330331

3.53±0.10

5.33±0.12

177.39

183.74190.09196.44202.79

209.14215.49221.84228.19

234.54240.89247.24253.59

266.29278.99291.69304.39329.79

355.19380.59

405.26430.66456.06

10.4612.0613.6415.2416.81

18.42

19.9921.5923.1624.7626.34

27.9429.5131.1232.6934.29

37.4640.6443.8246.9950.16

53.3456.52

± 0.58

± 0.76

± 1.14

± 0.12

± 0.15

± 0.25

± 1.01

± 1.14

± 1.27

± 1.39

± 1.65

± 1.90± 2.03± 2.15

± 0.12± 0.17± 0.22

± 0.25

± 0.30

± 0.38

± 0.45

NOK code


Old AN6227


Old AN6230



Callout number

TypeDimension

code

ThicknessW

Inside diameter

d0



Old AN6227


Old AN6230



Callout number

TypeDimension

code

ThicknessW

Inside diameter

d0

O-Ring dimension



W

Wmax. 0.12

max. 0.07

d0

AS5

68 s

erie

s

AS5

68 s

erie

s



thickness of 3.53 and its material of F201,　　・NOK code: CO 1931 U3 type/dimension code material code


44 45

A305 A105 F201

A

A

B

B

G0G0G0G0G0

G0

N0

O0G0

N0G0

P0

G0

T0

G0O0

G0

G0G0G0H0G0

G0G0G0G0

A305A105 F201

CO 7807CO 2401CO 7808CO 5107CO 4270

CO 8810

CO 5480

CO 3091CO 7600

CO 3597CO 1087

CO 3604

CO 8804

CO 1165

CO 8805CO 1206

CO 8234

CO 1253CO 8806CO 2998CO 1315CO 8807

CO 3640CO 3706CO 8808CO 8809

463464465466467

468

901

902903

904905

906

907

908

909910

911

912913914916918

920924928932

6.98±0.15

1.42±0.07

1.63±0.07

1.83±0.07

1.98±0.07

2.08±0.07

2.21±0.07

2.46±0.07

2.95±0.10

3.00±0.10

430.66443.36456.06468.76481.46

494.16

4.70

6.077.64

8.9210.52

11.89

13.46

16.36

17.9319.18

21.92

23.4725.0426.5929.7434.42

37.4643.6953.0959.36

± 1.14

± 0.12

± 0.15

± 0.25

± 2.03

± 2.15

± 2.28

± 0.15

± 0.17

± 0.22

± 0.25

± 0.30

± 0.35

± 0.45


A305 A105 F201

A

A

B

B

G0N0G0G0G0

G0G0H0G0

G0P0G0G0G0

U3G0G0G0G0

G0G0U3G0G0

G0H0

G0G0G0

G0G0U3G0G0

G0U3G0G0G0

U3U3P0G0G0

G0

G0G0

A305A105 F201

CO 8851CO 4906CO 7797CO 7798CO 6643

CO 7799CO 8802CO 7826CO 7800

CO 0487CO 0452CO 0453CO 0454CO 0455

CO 0456CO 0457CO 0458CO 0459CO 0460

CO 0461CO 0462CO 0463CO 0464CO 0465

CO 0466CO 0467

CO 0468CO 0469CO 0470

CO 0471CO 0472CO 0473CO 0474CO 0475

CO 0476CO 0477CO 0478CO 0479CO 0480

CO 0481CO 0482CO 0483CO 0484CO 0485

CO 0486

CO 4397CO 7806

8853545556

5758596061

6263646566

6768

697071

7273747576

7778798081

8283848586

87

380381382383384

385386387388

425426427428429

430431432433434

435436437438439

440441

442443444

445446447448449

450451452453454

455456457458459

460

461462

5.33±0.12

6.98±0.15

291.47304.17329.57354.97380.37

405.26430.66456.06481.46

113.66116.84120.02123.19126.36

129.54132.72135.89139.06142.24

145.42148.59151.76158.12164.46

170.82177.16

183.52189.86196.22

202.56215.26227.96240.66253.36

266.06278.76291.46304.16316.86

329.56342.26354.96367.66380.36

393.06

405.26417.96

± 0.76

± 1.14

± 0.38

± 0.58

± 0.76

± 1.14

± 1.65

± 1.77

± 1.90± 2.03± 2.15± 2.28

± 0.83

± 0.93

± 1.01

± 1.14

± 1.39

± 1.52

± 1.77

± 1.90

NOK code


Old AN6227


Old AN6230



Callout number

TypeDimension

code

ThicknessW

Inside diameter

d0



Old AN6227


Old AN6230



Callout number

TypeDimension

code

ThicknessW

Inside diameter

d0

O-Ring dimension

(Static application, AN6227 for Dynamic application)Old ARP568 AS568 series (Hydraulic application for Aerospace)Material (NOK symbol) A305 A105 F201



thickness of 5.33 and its material of F201,　　・NOK code: CO 6643 G0 type/dimension code material code


W

Wmax. 0.12

max. 0.07

d0

AS5

68 s

erie

s

AS5

68 s

erie

s


WW

max. 0.15

max. 0.1

d0

D2

φd2φ

D1

φd1φ

D1φd1φ

D2φd2φ

（G）

（G）

（G）

46 47

(unit: mm)

*Material 'H' is NOK material symbol of Hydrogenated nitrile rubber (HNBR)

CO 0000CO 0001CO 0002CO 0003CO 0004

CO 0005CO 0006CO 0007CO 0600CO 0601

CO 0602CO 0604CO 0605CO 0606CO 0607

CO 0609

CO 0610CO 0612CO 0613CO 0614CO 0616

CO 0618CO 0620CO 0622CO 0624CO 0626

CO 0628CO 0630

10031004100510061007

10081009101010111012

10131014101510161017

1018

10191020102110221023

10251026102810301031

10331035

1.9±0.07

2.8 3.8 4.8 5.8 6.8

7.8 8.8 9.8 11.0 12.3

13.0 13.8 14.8 15.8 16.8

17.8

18.8 19.8 21.0 22.1 23.3

24.7 26.2 27.7 29.7 31.2

33.2 35.2

±0.12

±0.15

±0.36

±0.45

±0.24

±0.30

3 4 5 6 7

8 9 10 11.2 12.5

13.2 14 15 16 17

18

19 20 21.2 22.4 23.6

25 26.5 28 30 31.5

33.5 35.5

3.1 4.1 5.1 6.1 7.1

8.1 9.1 10.1 11.3 12.6

13.3 14.1 15.1 16.1 17.1

18.1

19.1 20.1 21.3 22.5 23.7

25.1 26.6 28.1 30.1 31.6

33.6 35.6

0 −0.05

0 −0.06

0 −0.08

＋0.05 0

＋0.06 0

＋0.08 0

6 7 8 9 10

11 12 13 14.2 15.5

16.2 17 18 19 20

21

22 23 24.2 25.4 26.6

28 29.5 31 33 34.5

36.5 38.5

5.9 6.9 7.9 8.9 9.9

10.9 11.9 12.9 14.1 15.4

16.1 16.9 17.9 18.9 19.9

20.9

21.9 22.9 24.1 25.3 26.5

27.9 29.4 30.9 32.9 34.4

36.4 38.4

6.3 7.3 8.3 9.3 10.3

11.3 12.3 13.3 14.4 15.7

16.4 17.2 18.2 19.2 20.2

21.2

22.2 23.2 24.4 25.5 26.7

28.1 29.6 31.1 33.1 34.6

36.6 38.6

2.5 0.051.4 0.4

A

A

C

C

K

K

L

L

S9R4S8T9T8

U5Q5U9X0S0

T0P5N4Q7O3

N3

N0O3N4G0N0

U3N0S0N0H0

O0H0

P2G4Z3H4H4

T3R3S4G2G3

G3V1H3X2Q1

G3

W1H2G2H1G2

V0G1X0U0S0

Z0T0

S1H1H1Z1O2

R2U1O1W0Z2

Y0H1R1N1Y0

Q1

V0R1T0V0Y0

S0W0T0S0P0

V0Q0

W0W0X2W0Q1

V1G0Y0R0S1

Z0R0Q0X0U0

R1

G0V1G0R0T0

P0Y0G0O0Q0

W0R0

NOK code

Material code Tolerance of inside diameter ‘d0’NOK

Callout number

TypeDimension

code

ThicknessW

Inside diameter

d0

Class 1A

A305

Class 2

A122

Class 3

R189

Class 4C

S503

Class 4D

F201

Class 4E

T767

Class 5

E116

H*G607

A305（Class 1A）A122（Class 2）R189（Class 3）

S503（Class 4C）T767（Class 4E）E116（Class 5）

F201（Class 4D）G607（H*）

O-Ring dimension

Dimension H Dimension R Maximum misalignment(TIR) of center D1 and

center d1 or of center D2 and center d2 for dynamic or cylindrical

application

Dimension G

H±0.05 Maximum value

　 G ＋0.25 　0

Groove dimension

d2d3

d1

Tolerancefor d1, d2

or d3

D1 D2 D3

Tolerancefor D1, D2

or D3

*1 Appearance specification is different from JIS.*2 There is no specification of dimension (G) in JASO

standard. Please use dimension 'G' instead of '(G)'.

d3φ G

G

W90＋5°－0°90 ＋5°－0°

R

C0.1～C0.2

0°～5°

R

C0.1～C0.2

0°～5°

H

外圧用D3φ

G

H

内圧用(Note) Chamfer according to NOK recommendation

External pressure

Internal pressure


Old JASO F 404 O-Ring Thickness ø1.9 series (Static/Dynamic application)Material JASO symbol Class 1A Class 2 Class 3 Class 4C Class 4D Class 4E Class 5 H*

NOK symbol A305 A122 R189 S503 F201 T767 E116 G607Only appearance grade is different from current specification.


thickness of 1.9 and its material of Class 1A,　　・NOK code: CO 0609 A type/dimension code material code　Example 2) In the case of O-Ring ID of 17.8, its

thickness of 1.9 and its material of Class 4D,　　・NOK code: CO 0609 N3 type/dimension code material code

Old

JA

SO o

f ø1.

9 se

ries

Old

JA

SO o

f ø1.

9 se

ries

48 49*Material 'H' is NOK material symbol of Hydrogenated nitrile rubber (HNBR)

(unit: mm)

CO 0008CO 0010CO 0012CO 0603CO 0013

CO 0014CO 0015CO 0608CO 0016

CO 0611CO 0017CO 0018CO 0615CO 0617

CO 0619CO 0621CO 0623CO 0625CO 0627

CO 0629CO 0631CO 0632CO 0633

CO 0634CO 0635CO 0636CO 0637CO 0638

CO 0640CO 0642CO 0644CO 0646

CO 0648

20102011201220132014

2015201620172018

20192020202120222023

20252026202820302031

2033203520372040

20422045204720502053

2056206020632067

2071

2.4±0.07

9.8 11.0 12.3 13.0 13.8

14.8 15.8 16.8 17.8 18.8 19.8 20.8 22.1 23.3 24.7 26.2 27.7 29.7 31.2 33.2 35.2 37.2 39.7 42.2 44.7 47.2 49.7 52.6 55.6 59.6 62.6 66.6 70.6

±0.12

±0.15

±0.25

±0.40

±0.36

±0.45

±0.75

±1.20

±0.24

±0.30

±0.50

±0.80

10 11.2 12.5 13.2 14

15 16 17 18 19 20 21 22.4 23.6 25 26.5 28 30 31.5 33.5 35.5 37.5 40 42.5 45 47.5 50 53 56 60 63 67 71

10.2 11.4 12.7 13.4 14.2

15.2 16.2 17.2 18.2 19.2 20.2 21.2 22.6 23.8 25.2 26.7 28.2 30.2 31.7 33.7 35.7 37.7 40.2 42.7 45.2 47.7 50.2 53.2 56.2 60.2 63.2 67.2 71.2

0 −0.06

0 −0.08

0 −0.10

＋0.06 0

＋0.08 0

＋0.10 0

14 15.2 16.5 17.2 18

19 20 21 22 23 24 25 26.4 27.6 29 30.5 32 34 35.5 37.5 39.5 41.5 44 46.5 49 51.5 54 57 60 64 67 71 75

13.8 15 16.3 17 17.8

18.8 19.8 20.8 21.8 22.8 23.8 24.8 26.2 27.4 28.8 30.3 31.8 33.8 35.3 37.3 39.3 41.3 43.8 46.3 48.8 51.3 53.8 56.8 59.8 63.8 66.8 70.8 74.8

14.1 15.3 16.6 17.3 18.1

19.1 20.1 21.1 22.1 23.1 24.1 25.1 26.4 27.6 29 30.5 32 34 35.5 37.5 39.5 41.5 44 46.5 49 51.5 54 57 60 64 67 71 75

3.2 0.051.8 0.4

A

A

A

A

C

C

C

C

K

K

K

K

L

L

L

L

X9U3Q0H0X0

U3V9P5T9

O2R7S6H0P0

U3N3O3U3H0

O6N3R0U3

Q4O0P3G0X0

U0N1G0G0

P0

G5T1G2T0G3

G4P3X0R2

G2T2G3Y0P1

H1H2P2Z0H1

Z0Z0Y0G2

Z0Y0Z0X0H1

H1U0R0Z0

V0

Y1H1G1P0G2

Y1Z1P0G1

X0Z1Y1V0U0

Z0W0S1V0X0

U0V0T0Z0

V0U0U0T0Z0

Y0S0P0S0

U0

T0S0T0Q0Q1

Z0X0H0X0

Z0G0G0W0H0

G0R0P1T0Y0

W0Y1U0G1

W0H0X0U0H0

G1T0Q0P0

S0

d2d3

d1 D1 D2 D3

d3φ G

G

W90＋5°－0°90 ＋5°－0°

R

C0.1～C0.2

0°～5°

R

C0.1～C0.2

0°～5°

H

外圧用D3φ

G

H

内圧用

Tolerancefor d1, d2

or d3

Tolerancefor D1, D2

or D3

WW

max. 0.15

max. 0.1

d0

D2

φd2φ

D1

φd1φ

D1φd1φ

D2φd2φ

（G）

（G）

（G）

NOK code


Callout number

TypeDimension

code

ThicknessW

Inside diameter

d0

Class 1A

A305

Class 2

A122

Class 3

R189

Class 4C

S503

Class 4D

F201

Class 4E

T767

Class 5

E116

H*G607




O-Ring dimension



application

Dimension G


　 G ＋0.25 　0

Groove dimension




External pressure

Internal pressure






thickness of 2.4 and its material of Class 4D,　　・NOK code: CO 0633 U3 type/dimension code material code

Old

JA

SO o

f ø2.

4 se

ries

Old

JA

SO o

f ø2.

4 se

ries

50 51

CO 0200CO 0201CO 0202

CO 0203CO 0204CO 0205CO 0206CO 0207

CO 0208CO 0209

CO 0210CO 0211CO 0212CO 0213CO 0214

CO 0215CO 0216CO 0217CO 0218CO 0219

CO 0220

CO 0221CO 0222CO 0223CO 0224

3025 S3030 S3035 S

3040 S3045 S3050 S3055 S3060 S

3065 S3070 S

3075 S3080 S3085 S3090 S3095 S

3100 S3105 S3110 S3115 S3120 S

3125 S

3130 S3135 S3140 S3145 S

3.1±0.10

24.4 29.4 34.4

39.4 44.4 49.4 54.4 59.4

64.4 69.4

74.4 79.4 84.4 89.4 94.4

99.4 104.4 109.4 114.4 119.4

124.4

129.4 134.4 139.4 144.4

±0.15

±0.25

±0.40

±0.60

±0.45

±0.75

±1.20

±1.80

±0.30

±0.50

±0.80

±1.20

25 30 35

40 45 50 55 60

65 70

75 80 85 90 95

100 105 110 115 120

125

130 135 140 145

25.3 30.3 35.3

40.3 45.3 50.3 55.3 60.3

65.3 70.3

75.3 80.3 85.3 90.3 95.3

100.3 105.3 110.3 115.3 120.3

125.3

130.3 135.3 140.3 145.3

0 −0.08

0 −0.10

＋0.080

＋0.100

30.3 35.3 40.3

45.3 50.3 55.3 60.3 65.3

70.3 75.3

80.3 85.3 90.3 95.3 100.3

105.3 110.3 115.3 120.3 125.3

130.3

135.3 140.3 145.3 150.3

30.1 35.1 40.1

45.1 50.1 55.1 60.1 65.1

70.1 75.1

80.1 85.1 90.1 95.1 100.1

105.1 110.1 115.1 120.1 125.1

130.1

135.1 140.1 145.1 150.1

30.3 35.3 40.3

45.3 50.3 55.3 60.3 65.3

70.3 75.3

80.3 85.3 90.3 95.3 100.3

105.3 110.3 115.3 120.3 125.3

130.3

135.3 140.3 145.3 150.3

4.3 0.062.4 0.5

A

A

A

A

C

C

C

C

K

K

K

K

L

L

L

L

R7U0U3

U3U3U0R9U0

Q7U3

U3U3Q1U3U3

U3U3U3U3R0

U3

U3U3X0U3

N2X1W1

X1T1H2U2N1

G2O2

Q2X1T2S1P2

G2R1H2Q1U1

Q1

G2Y1S1Q1

R1S1P1

V1Z0Y1X1X1

Z1S1

P2W1Z1G1G1

S1Q1H1W1T1

X0

N1X1X1H1

T0G0H0

G1Y0P1W1W1

X1Z1

X1Q1G1H0Z0

Y0G0Q1G0O1

G1

S1V1H1P1

(unit: mm)

*Material 'H' is NOK material symbol of Hydrogenated nitrile rubber (HNBR)

d2d3

d1 D1 D2 D3

d3φ G

G

W90＋5°－0°90 ＋5°－0°

R

C0.1～C0.2

0°～5°

R

C0.1～C0.2

0°～5°

H

外圧用D3φ

G

H

内圧用

Tolerancefor d1, d2

or d3

Tolerancefor D1, D2

or D3


External pressure

Internal pressure

WW

max. 0.15

max. 0.1

d0

D2

φd2φ

D1

φd1φ

D1φd1φ

D2φd2φ

（G）

（G）

（G）

NOK code


Callout number

TypeDimension

code

ThicknessW

Inside diameter

d0

Class 1A

A305

Class 2

A122

Class 3

R189

Class 4C

S503

Class 4D

F201

Class 4E

T767

Class 5

E116

H*G607




O-Ring dimension



application

Dimension G


　 G ＋0.25 　0

Groove dimension








thickness of 3.1 and its material of Class 4D,　　・NOK code: CO 0219 R0 type/dimension code material code

Old

JA

SO o

f ø3.1

ser

ies

Old

JA

SO o

f ø3.1

ser

ies

52 53*Material 'H' is NOK material symbol of Hydrogenated nitrile rubber (HNBR)

(unit: mm)

CO 0021CO 0022CO 0023CO 0025CO 0026

CO 0029CO 0031CO 0033CO 0035CO 0037

CO 0038CO 0039

CO 0041CO 0042CO 0043CO 0046CO 0049

CO 0639CO 0641CO 0643CO 0645CO 0647

CO 0649CO 0650CO 0651CO 0652CO 0653

CO 0654CO 0655CO 0656CO 0657CO 0658

CO 0659

CO 0660CO 0661CO 0662

30223024302530263028

30303031303430353038

30393040

30423044304530483050

30533056306030633067

30713075308030853090

30953100310631123118

3125

313231403150

3.5±0.10

22.1 23.7 24.7 25.7 27.7 29.7 31.2 33.7 35.2 37.7

38.7 39.7 41.7 43.7 44.7 47.7 49.7

52.6 55.6 59.6 62.6 66.6 70.6 74.6 79.6 84.6 89.6 94.6 99.6 105.6 111.6 117.6 124.6 131.6 139.6 149.6

±0.15

±0.25

±0.40

±0.60

±0.45

±0.75

±1.20

±1.80

±0.30

±0.50

±0.80

±1.20

22.4 24 25 26 28 30 31.5 34 35.5 38

39 40 42 44 45 48 50

53 56 60 63 67 71 75 80 85 90 95 100 106 112 118 125 132 140 150

22.7 24.3 25.3 26.3 28.3 30.3 31.8 34.3 35.8 38.3

39.3 40.3 42.3 44.3 45.3 48.3 50.3

53.3 56.3 60.3 63.3 67.3 71.3 75.3 80.3 85.3 90.3 95.3 100.3 106.3 112.3 118.3 125.3 132.3 140.3 150.3

0 −0.08

0 −0.10

＋0.080

＋0.100

28.4 30 31 32 34 36 37.5 40 41.5 44

45 46 48 50 51 54 56

59 62 66 69 73 77 81 86 91 96 101 106 112 118 124 131 138 146 156

28.1 29.7 30.7 31.7 33.7 35.7 37.2 39.7 41.2 43.7

44.7 45.7 47.7 49.7 50.7 53.7 55.7

58.7 61.7 65.7 68.7 72.7 76.7 80.7 85.7 90.7 95.7 100.7 105.7 111.7 117.7 123.7 130.7 137.7 145.7 155.7

28.4 30 31 32 34 36 37.5 40 41.5 44

45 46 48 50 51 54 56

59 62 66 69 73 77 81 86 91 96 101 106 112 118 124 131 138 146 156

4.7 0.082.7 0.7

A

A

A

A

C

C

C

C

K

K

K

K

L

L

L

L

G0U3Q0N5U3

S0U3R0U3Q0

U3W0

U3U3P4X0Q6

H0U3O3U3G0

U3G0H0O2U3

Q0G0G0G0N0

G0

H0H0H0

Y0H2G2H3H2

G2W0G3V0H1

G2G2

S1G3G2G3G2

R0V0S0V0U0

V0W0G1U0W0

U0T0T0Q0P0

R0

S0T0S0

R0V1G1G1N1

G1H0N1Q0U1

X0P1

P1G1S1H1T1

P0R0Q0S0R0

Q0U0W0S0U0

S0R0P0N0O0

P0

P0R0Q0

S0Z0P1Y0Z0

G0P0W1R0V0

G0Z0

X1G0G1Y1X1

Q0U0R0O0S0

R0V0Y0T0V0

T0S0Q0P0G0

Q0

Q0S0R0

d2d3

d1 D1 D2 D3

d3φ G

G

W90＋5°－0°90 ＋5°－0°

R

C0.1～C0.2

0°～5°

R

C0.1～C0.2

0°～5°

H

外圧用D3φ

G

H

内圧用

Tolerancefor d1, d2

or d3

Tolerancefor D1, D2

or D3

External pressure

Internal pressure

WW

max. 0.15

max. 0.1

d0

D2

φd2φ

D1

φd1φ

D1φd1φ

D2φd2φ

（G）

（G）

（G）

NOK code


Callout number

TypeDimension

code

ThicknessW

Inside diameter

d0

Class 1A

A305

Class 2

A122

Class 3

R189

Class 4C

S503

Class 4D

F201

Class 4E

T767

Class 5

E116

H*G607




O-Ring dimension



application

Dimension G


　 G ＋0.25 　0

Groove dimension








thickness of 3.5 and its material of 1A,　　・NOK code: CO 0041 A type/dimension code material code　Example 2) In the case of O-Ring ID of 41.7, its

thickness of 3.5 and its material of 4D,　　・NOK code: CO 0041 U3 type/dimension code material code

Old

JA

SO o

f ø3.

5 se

ries

Old

JA

SO o

f ø3.

5 se

ries

5554

■When ordering, please indicate both ①(Old) ISO callout number and ②NOK code.

　Example) In the case of O-Ring ID of 31.5, its thickness of 2.65 and its material of NBR-70-1,

・(Old) ISO callout number: B 0315 G ・NOK code: CO 7243 A

* O-Rings meet ISO series of JIS. Callout number according to ISO series of old JIS(JIS B 2401:1996)

(unit: mm)

CO 7200 ACO 7201 ACO 7202 ACO 7203 ACO 7204 A







CO 7227 A



CO 7238 ACO 7239 ACO 7240 ACO 7241 A

A 0018 GA 0020 GA 0022 GA 0025 GA 0028 G

A 0031 GA 0035 GA 0037 GA 0040 GA 0045 G

A 0048 GA 0050 GA 0051 GA 0053 GA 0056 G

A 0060 GA 0063 GA 0067 GA 0069 GA 0071 G

A 0075 GA 0080 GA 0085 GA 0087 GA 0090 G

A 0095 GA 0100 GA 0106 GA 0112 GA 0118 G

A 0125 GA 0132 GA 0140 GA 0150 GA 0160 G

A 0170 G

B 0140 GB 0150 GB 0160 GB 0170 GB 0180 G

B 0190 GB 0200 GB 0212 GB 0224 GB 0236 G

B 0250 GB 0258 GB 0265 GB 0280 G

Max. 0.1

Max. 0.12

1.8

2.65

±0.08

±0.09

1.80 2.00 2.24 2.50 2.80 3.15 3.55 3.75 4.00 4.50 4.87 5.00 5.15 5.30 5.60 6.00 6.30 6.70 6.90 7.10 7.50 8.00 8.50 8.75 9.00 9.50 10.0 10.6 11.2 11.8 12.5 13.2 14.0 15.0 16.0 17.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.2 22.4 23.6 25.0 25.8 26.5 28.0

±0.13

±0.14

±0.15

±0.16

±0.17

±0.18

±0.19

±0.20

±0.21

±0.19±0.20

±0.21

±0.22±0.23±0.24

±0.25±0.26±0.28


CO 7247 ACO 7248 ACO 7249 ACO 7250 A









CO 7291 A

B 0300 GB 0315 GB 0325 GB 0335 GB 0345 G

B 0355 GB 0365 GB 0375 GB 0387 G

C 0180 GC 0190 GC 0200 GC 0212 GC 0224 G

C 0236 GC 0250 GC 0258 GC 0265 GC 0280 G

C 0300 GC 0315 GC 0325 GC 0335 GC 0345 G

C 0355 GC 0365 GC 0375 GC 0387 GC 0400 G

C 0412 GC 0425 GC 0437 GC 0450 GC 0462 G

C 0475 GC 0487 GC 0500 GC 0515 GC 0530 G

C 0545 GC 0560 GC 0580 GC 0600 GC 0615 G

C 0630 GC 0650 GC 0670 GC 0690 GC 0710 G

C 0730 G

Max. 0.12

Max. 0.14

2.65

3.55

±0.09

±0.10

30.031.532.533.534.5

35.536.537.538.7

18.019.020.021.222.4

23.625.025.826.528.0

30.031.532.533.534.5

35.536.537.538.740.0

41.242.543.745.046.2

47.548.750.051.553.0

54.556.058.060.061.5

63.065.067.069.071.0

73.0

±0.29±0.31±0.32±0.33

±0.34±0.35±0.36±0.37

±0.21±0.22±0.23

±0.24

±0.25±0.26±0.28

±0.29±0.31±0.32±0.33

±0.34±0.35±0.36±0.37±0.38

±0.39±0.40±0.41±0.42±0.43

±0.44±0.45±0.46±0.47±0.48

±0.50±0.51±0.52±0.54±0.55

±0.56±0.58±0.59±0.61±0.63

±0.64

(unit: mm)











C 0750 GC 0775 GC 0800 GC 0825 GC 0850 G

C 0875 GC 0900 GC 0925 GC 0950 GC 0975 G

C 1000 GC 1030 GC 1060 GC 1090 GC 1120 G

C 1150 GC 1180 GC 1220 GC 1250 GC 1280 G

C 1320 GC 1360 GC 1400 GC 1450 GC 1500 G

C 1550 GC 1600 GC 1650 GC 1700 GC 1750 G

C 1800 GC 1850 GC 1900 GC 1950 GC 2000 G

D 0400 GD 0412 GD 0425 GD 0437 GD 0450 G

D 0462 GD 0475 GD 0487 GD 0500 GD 0515 G

D 0530 GD 0545 GD 0560 GD 0580 GD 0600 G

Max. 0.14

Max. 0.16

3.55

5.30

±0.10

±0.13

75.0 77.5 80.0 82.5 85.0 87.5 90.0 92.5 95.0 97.5 100 103 106 109 112 115 118 122 125 128 132 136 140 145 150 155 160 165 170 175 180 185 190 195 200 40.0 41.2 42.5 43.7 45.0 46.2 47.5 48.7 50.0 51.5 53.0 54.5 56.0 58.0 60.0

±0.66±0.67±0.69±0.71±0.73

±0.75±0.77±0.79±0.81±0.83

±0.84±0.87±0.89±0.91±0.93

±0.95±0.97±1.00±1.03±1.05

±1.08±1.10±1.13±1.17±1.20

±1.24±1.27±1.31±1.34±1.38

±1.41±1.44±1.48±1.51±1.55

±0.38±0.39±0.40±0.41±0.42

±0.43±0.44±0.45±0.46±0.47

±0.48±0.50±0.51±0.52±0.54











D 0615 GD 0630 GD 0650 GD 0670 GD 0690 G

D 0710 GD 0730 GD 0750 GD 0775 GD 0800 G

D 0825 GD 0850 GD 0875 GD 0900 GD 0925 G

D 0950 GD 0975 GD 1000 GD 1030 GD 1060 G

D 1090 GD 1120 GD 1150 GD 1180 GD 1220 G

D 1250 GD 1280 GD 1320 GD 1360 GD 1400 G

D 1450 GD 1500 GD 1550 GD 1600 GD 1650 G

D 1700 GD 1750 GD 1800 GD 1850 GD 1900 G

D 1950 GD 2000 GD 2060 GD 2120 GD 2180 G

D 2240 GD 2300 GD 2360 GD 2430 GD 2500 G

Max. 0.165.30 ±0.13

61.5 63.0 65.0 67.0 69.0 71.0 73.0 75.0 77.5 80.0 82.5 85.0 87.5 90.0 92.5 95.0 97.5 100 103 106 109 112 115 118 122 125 128 132 136 140 145 150 155 160 165 170 175 180 185 190 195 200 206 212 218 224 230 236 243 250

±0.55±0.56±0.58±0.59±0.61

±0.63±0.64±0.66±0.67±0.69

±0.71±0.73±0.75±0.77±0.79

±0.81±0.83±0.84±0.87±0.89

±0.91±0.93±0.95±0.97±1.00

±1.03±1.05±1.08±1.10±1.13

±1.17±1.20±1.24±1.27±1.31

±1.34±1.38±1.41±1.44±1.48

±1.51±1.55±1.59±1.63±1.67

±1.71±1.75±1.79±1.83±1.88

W

Wf

f

d0

General Industrial O-Ring series, equivalent to ISO (Static application)Material

JIS symbol NBR-70-1Old JIS symbol Class 1ANOK symbol A305

NOK code

(Old) ISO Callout number Thickness W Inside diameter d0 Burr f



O-Ring dimensionNOK code




O-Ring dimension

Gen

eral

Indu

stria

l ser

ies

Gen

eral

Indu

stria

l ser

ies

56 57

NOK code NOK callout number

TypeDimension

code E700 E575 FP29 FP739

Z1N1G1R3Y3

Z4V2O4

H4Y1Y1G3Z3H4T2N2X2

O2N2U2H3G5

Z2H3G5

Z5H3Z4H2S2H3G3P3G4

P3X2G5S3N4

G7N3R3

H6V2V2H4

N3Z4V1Z3O2

ThicknessW

Inside diameter

d0E700E575

FP29FP739

O-Ring dimension

CO 0000CO 0001CO 0002CO 0003CO 0004

CO 0005CO 0006CO 0007

CO 0008CO 0009CO 0011CO 0012CO 0013CO 0014CO 0015CO 0016CO 0017

□ P 3□ P 4□ P 5□ P 6□ P 7

□ P 8□ P 9□ P 10

□ P 10A□ P 11□ P12□ P12.5□ P14□ P 15□ P 16□ P 18□ P 20

CO 60000 H0CO 60001 F0CO 60002 E0CO 60003 G0CO 60004 F0

CO 60005 H0CO 60006 E0CO 60007 J0

CO 60008 F0CO 60009 D0CO 60011 E0CO 60012 G0

CO 60013 G0CO 60014 F0CO 60015 I 0CO 60016 M0CO 60017 I 0

1.9±0.07

2.4±0.07

2.8 3.8 4.8 5.8 6.8 7.8 8.8 9.8 9.8 10.8 11.8 12.3 13.8 14.8 15.8 17.8 19.8

±0.36

±0.45

±0.24

±0.30

(unit: mm) (unit: mm)




CO 7406 A







CO 7437 ACO 7438 ACO 7439 ACO 7440 A

D 2580 GD 2650 GD 2720 GD 2800 GD 2900 G

D 3000 GD 3070 GD 3150 GD 3250 GD 3350 G

D 3450 GD 3550 GD 3650 GD 3750 GD 3870 G

D 4000 G

E 1090 GE 1120 GE 1150 GE 1180 GE 1220 G

E 1250 GE 1280 GE 1320 GE 1360 GE 1400 G

E 1450 GE 1500 GE 1550 GE 1600 GE 1650 G

E 1700 GE 1750 GE 1800 GE 1850 GE 1900 G

E 1950 GE 2000 GE 2060 GE 2120 GE 2180 G

E 2240 GE 2300 GE 2360 GE 2430 GE 2500 G

E 2580 GE 2650 GE 2720 GE 2800 G

Max. 0.16

Max. 0.18

5.30

7.00

±0.13

±0.15

258265272280290

300307315325335

345355365375387

400

109112115118122

125128132136140

145150155160165

170175180185190

195200206212218

224230236243250

258265272280







E 2900 GE 3000 GE 3070 GE 3150 GE 3250 G

E 3350 GE 3450 GE 3550 GE 3650 GE 3750 G

E 3870 GE 4000 GE 4120 GE 4250 GE 4370 G

E 4500 GE 4620 GE 4750 GE 4870 GE 5000 G

E 5150 GE 5300 GE 5450 GE 5600 GE 5800 G

E 6000 GE 6150 GE 6300 GE 6500 GE 6700 G

Max. 0.187.00 ±0.15

290300307315325

335345355365375

387400412425437

450462475487500

515530545560580

600615630650670

±1.93±1.98±2.02±2.08±2.14

±2.21±2.25±2.30±2.37±2.43

±2.49±2.56±2.62±2.68±2.76

±2.84

±0.91±0.93±0.95±0.97±1.00

±1.03±1.05±1.08±1.10±1.13

±1.17±1.20±1.24±1.27±1.31

±1.34±1.38±1.41±1.44±1.48

±1.51±1.55±1.59±1.63±1.67

±1.71±1.75±1.79±1.83±1.88

±1.93±1.98±2.02±2.08

±2.14±2.21±2.25±2.30±2.37

±2.43±2.49±2.56±2.63±2.68

±2.76±2.84±2.91±2.99±3.07

±3.15±3.22±3.30±3.37±3.45

±3.54±3.63±3.72±3.81±3.93

±4.05±4.13±4.22±4.34±4.46

NOK WEX series (O-Ring series for Water application: Static/Dynamic application)

MaterialMaterial code 7W 5W FW FBWNOK symbol E700 E575 FP29 FP739

Color Black Violet Black Brown

W

Wf

f

d0

■Note:1. WEX series are for water application such as cogeneration systems. The series are based on 4 materials ,which NOK recommend,

according to JIS B 2401-1 P series.2. Characteristis of the materials are shown as follows:

3. Dimensions are based on JIS B 2401-1. Their tolerances are set up according to NOK standard because of special materials.

4. Refer to groove dimensions on Page 22.5. They are produced at production process to meet Food Sanitation Law.6. NOK recommend a material of 'FP29 in the case of high temperature

or long time usage except for special usage conditions.

Estimated time to reach 80% of compression permanent set

109

108

107

106

105

104

103

102

Time（h）

NOK FP29NOK FP739NOK E575NOK E700NOK E931（old standard EPDM）

150℃ 120℃ 100℃

Compression set test in waterφ2.4 O-Ring, 25% compression

W

Wmax. 0.15

max. 0.1

d0

（Superior）

Compression permanent set

Chl

orin

e w

ater

resi

stan

ce

（Inferior）（Inferior）（Superior）

E931［black］（old standard EPDM）

E575［violet］

FP29［black］, FP739［brown］

E700［black］

(O-Ring series for Water application(O-Ring series for Water applicationNEW


code left **

FBW7W 5W FW

General Industrial O-Ring series, equivalent to ISO (Static application)Material

JIS symbol NBR-70-1Old JIS symbol Class 1ANOK symbol A305

NOK code


O-Ring dimensionNOK code


O-Ring dimension

Gen

eral

Indu

stria

l ser

ies

WEX

ser

ies

■When ordering, please indicate both ①(Old) ISO callout number and ②NOK code.

　Example) In the case of O-Ring ID of 400, its thickness of 5.30 and its material of NBR-70-1,

・(Old) ISO callout number: D 4000 G ・NOK code: CO 7406 A

* O-Rings meet ISO series of JIS. Callout number according to ISO series of old JIS(JIS B 2401:1996)

■ When ordering WEX O-Rings, please indicate both ①'NOK Callout Number' and ②'NOK code'.

　Example 1) In the case of O-Ring ID of 7.8, its thickness of 1.9 and its material of FP29,

　　・NOK callout number: FW P8　　・NOK code: CO 0005 G7 type/dimension code material code　Example 2) In the case of O-Ring ID of 7.8, its

thickness of 1.9 and its material of E700,　　・NOK callout number: 7W P8　　・NOK code: CO 0005 Z4 type/dimension code material code

Tolerance of inside diameter ‘d0’

5958

G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

W

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°G

dφ G

W90＋5°－0°90 ＋5°－0°

R

R0.1～R0.2

0°～5°

R

R0.1～R0.2

0°～5°

H

外圧用Dφ

G

H

内圧用

NOK code

Material codeNOK

Callout number

TypeDimension

code

FR 0318FR 0383FR 0457FR 0458FR 0278

FR 0350FR 0489FR 0329

FR 0246FR 0460FR 0337FR 0461FR 0462

FR 0307FR 0463FR 0281FR 0282FR 0283

FR 0464FR 0386

FR 0384FR 0310FR 0092FR 0250FR 0465

FR 0364FR 0380FR 0375FR 0466FR 0113

FR 0467FR 0468FR 0311FR 0361FR 0133

FR 0469FR 0138FR 0378FR 0470FR 0363

FR 0471FR 0158FR 0385FR 0377FR 0472

FR 0379FR 0473FR 0474

P 3P 4P 5P 6P 7

P 8P 9P 10

P 10AP 11P 11.2P 12P 12.5

P 14P 15P 16P 18P 20

P 21P 22

P 22AP 22.4P 24P 25P 25.5

P 26P 28P 29P 29.5P 30

P 31P 31.5P 32P 34P 35

P 35.5P 36P 38P 39P 40

P 41P 42P 44P 45P 46

P 48P 49P 50

1.9±0.08

2.4±0.09

3.5±0.1

2.83.84.85.86.8

7.88.89.8

9.810.811.011.812.3

13.814.815.817.819.8

20.821.8

21.722.123.724.725.2

25.727.728.729.229.7

30.731.231.733.734.7

35.235.737.738.739.7

40.741.743.744.745.7

47.748.749.7

±0.16

±0.18

±0.19

±0.20

±0.20±0.21

±0.22

±0.24±0.25±0.26

±0.27±0.28

±0.28

±0.30

±0.31±0.33

±0.34

±0.36±0.37±0.39

±0.40

±0.44

±0.45±0.46±0.49±0.50

±0.52±0.54

3 4 5 6 7 8 9 10 10 11 11.2 12 12.5 14 15 16 18 20 21 22 22 22.4 24 25 25.5 26 28 29 29.5 30 31 31.5 32 34 35 35.5 36 38 39 40 41 42 44 45 46 48 49 50

0 −0.05

0 −0.06

0 −0.08

＋0.05 0

＋0.06 0

＋0.08 0

6 7 8 9 10

11 12 13

14 15 15.2 16 16.5

18 19 20 22 24

25 26

28 28.4 30 31 31.5

32 34 35 35.5 36

37 37.5 38 40 41

41.5 42 44 45 46

47 48 50 51 52

54 55 56

2.5

3.2

4.7

3.9

4.4

6.0

5.4

6.0

7.8

1.4

1.8

2.7

0.4

0.4

0.7

ThicknessW

Inside diameter d0

U801

W

W

W


(unit: mm)

WW

d0

Dφd

φ

Dφd

φ

G

G

Dφd

φ

Dφd

φG

G

max. 0.15

max. 0.1

■When ordering, please indicate 'NOK code'.　Example) In the case of O-Ring ID of 25.7, its

thickness of 3.5 and its material of U801, ・NOK code: FR 0364 W type/dimension code material code

Dimension d Dimension D Dimension H Dimension RDimension G (tolerance +0.25) 0

d DTolerance Toleranced0 Tolerance H±0.05 Maximum value

NOK code

Material codeNOK

Callout number

TypeDimension

code

FR 0285FR 0286FR 0475FR 0149

FR 0476FR 0477

G 25G 30G 35G 40

G 45G 50

3.1±0.1

24.429.434.439.4

44.449.4

±0.30±0.34±0.39±0.44

±0.49±0.54

25303540

4550

0 −0.1

＋0.1 0

30354045

5055

4.1 5.6 7.3 2.4 0.7

ThicknessWU801

W


(unit: mm)

Dimension d Dimension D Dimension H Dimension RDimension G (tolerance +0.25) 0

d DTolerance Toleranced0 Tolerance No backup ring

One side backup ring

Both sides backup rings H±0.05 Maximum

value

104

103

102

101

1

00 1

Duro A

101 102 103 104 105 106

Young’s modulus (MPa)

Stre

ss (M

Pa)

50 70 90 95 988060

Duro D35

Rockwell R15070 12090 130110100

40 50 60 7080

NOK Iron rubbers fill a gap between rubbers and plastics

PolycarbonateNylon

PTFEPolyethylene

NOK Iron RubberRubber

FRP

Aluminum alloy

Steel

・Tensile strength - Young's modulus / Hardness・Characteristic of NOK Iron Rubbers1. High Tensile Strength2. High Tear Strength3. High Elasticity4. Load bearing5. Wear resistance

The above 5 characteristics combined the strengths of rubber, plastics and metals. Therefore, NOK Iron Rubber is able to meet their requirements of new applications where conventional rubbers, plastics or metals were not able to.

・Other CharacteristicsOil resistance, Chemical resistance, Water resistance: As for oil resistance, it has good performance like Nitrile rubber. Also, it has enough characteristic to be applied to fuel oil, ether, edible oil or salts. As for water resistance, it has by far better performance than general polyurethane rubber.

・Food Sanitary Law approvedNOK Iron Rubber meets specification of Food Sanitation Law (Ministry of Health and Welfare. Ordinance No.85).

・Ozone resistanceIt is excellent like Fluoro or Silicon rubbers.

Iron Rubber O-Rings are compatible to JIS B 2401-1 (P/G series).

G seriesP series

* 'Iron Rubber' is registered as NOK trademark (Registration number: 2178634).

No backup ring


static application)


static application)


External pressure

Internal pressure

O-Ring dimension Dynamic application Cylindrical static application Groove Flat face static application

(Extrusion clearance: refer to Figure 1-3 on Page 15)

NOK IRON RUBBER P,G series (Static/Dynamic application)Material (NOK symbol) U801

No backup ring

One side backup ring

Both sides backup rings

IRO

N RU

BBER

P,G

ser

ies

IRO

N RU

BBER

P,G

ser

ies

Inside diameter d0

6160

7

(unit: mm)

GN 0090 A1GN 0093 A1GN 0095 A1GN 0097 A1GN 0099 A1

GN 0101 A1GN 0102 A1GN 0105 A1



GN 0124 A0GN 0125 A0






GN 0173 A0GN 0175 A0GN 0177 A0


GN 0380 A5GN 0382 A4GN 0386 A2



GN 0414 A0GN 0418 A0






GN 0495 A0GN 0499 A0GN 0502 A0


GN 0724 A0GN 0727 A0GN 0731 A0



GN 0763 A0GN 0768 A0






GN 0851 A0GN 0856 A0GN 0859 A0

P 3P 4P 5P 6P 7

P 8P 9P 10

P 10AP 11P 11.2P 12P 12.5

P 14P 15P 16P 18P 20

P 21P 22

P 22AP 22.4P 24P 25P 25.5

P 26P 28P 29P 29.5P 30

P 31P 31.5P 32P 34P 35

P 35.5P 36P 38P 39P 40

P 41P 42P 44P 45P 46

P 48P 49P 50

3 4 5 6 7

8 910

101111.21212.5

1415161820

2122

2222.4242525.5

26282929.530

3131.5323435

35.536383940

4142444546

484950

P 3P 4P 5P 6P 7

P 8P 9P 10

P 10AP 11P 11.2P 12P 12.5

P 14P 15P 16P 18P 20

P 21P 22

P 22AP 22.4P 24P 25P 25.5

P 26P 28P 29P 29.5P 30

P 31P 31.5P 32P 34P 35

P 35.5P 36P 38P 39P 40

P 41P 42P 44P 45P 46

P 48P 49P 50

1.25 ±0.1

1.25 ±0.1

1.25 ±0.1

1.5 ＋0.03 −0.05

2.0 ＋0.03 −0.05

3.0 ＋0.03 −0.05

0.7 ±0.05

0.7 ±0.05

0.7 ±0.05

1.2 ±0.4

1.4 ±0.8

2.5 ±1.5

3 4 5 6 7

8 910

101111.21212.5

1415161820

2122

2222.4242525.5

26282929.530

3131.5323435

35.536383940

4142444546

484950

6 7 8 910

111213

141515.21616.5

1819202224

2526

2828.4303131.5

32343535.536

3737.5384041

41.542444546

4748505152

545556

d

W

30°±5※

φd

φd

W

22°0-3※

T

Z

T

WφD

φD

T

＋ 0.15 0

＋ 0.15 0

＋ 0.20 0

0− 0.15

0− 0.15

0− 0.20

Spiral（T1） Bias cut（T2） Endless（T3）

(unit: mm)







GN 0274 A0GN 0277 A0GN 0280 A0










GN 0617 A0GN 0621 A0GN 0623 A0










GN 1001 A0GN 1006 A0GN 1009 A2




P 48AP 50AP 52P 53P 55

P 56P 58P 60P 62P 63

P 65P 67P 70P 71P 75

P 80P 85P 90P 95P 100

P 102P 105P 110P 112P 115

P 120P 125P 130P 132P 135

P 140P 145P 150

P 150AP 155P 160P 165P 170

P 175P 180P 185P 190P 195

P 200P 205P 209P 210P 215

48 50 52 53 55

56 58 60 62 63

65 67 70 71 75

80 85 90 95100

102105110112115

120125130132135

140145150

150155160165170

175180185190195

200205209210215

P 48AP 50AP 52P 53P 55

P 56P 58P 60P 62P 63

P 65P 67P 70P 71P 75

P 80P 85P 90P 95P 100

P 102P 105P 110P 112P 115

P 120P 125P 130P 132P 135

P 140P 145P 150

P 150AP 155P 160P 165P 170

P 175P 180P 185P 190P 195

P 200P 205P 209P 210P 215

1.9 ±0.13

2.75 ±0.15

5.0 ＋0.03 −0.05

7.5 ＋0.03 −0.05

0.9 ±0.06

1.4 ±0.08

4.5 ±1.5

6.0 ±2.0

48 50 52 53 55

56 58 60 62 63

65 67 70 71 75

80 85 90 95100

102105110112115

120125130132135

140145150

150155160165170

175180185190195

200205209210215

5860626365

6668707273

7577808185

9095100105110

112115120122125

130135140142145

150155160

165170175180185

190195200205210

215220224225230

＋ 0.25 0

＋ 0.30 0

0− 0.25

0− 0.30

Types of backup ringsType symbol Material Shape

T1 Rareflon (10FF) SpiralT2 Rareflon (10FF) Bias cutT3 Rareflon (10FF) Endless

*1: In the case of bias cut or endless backup ring, difference between maximum and minimum dimensions of width 'W' for the same backup ring is less than 0.05mm.

*2: Dimension 'Z' is a gap when a backup ring is installed onto the same shaft as inside diameter of a groove according to its O-Ring callout.

*3: Bias cut type is made by a cut in one position from endless type.

*4: 'Rareflon' is registered as NOK trademark for PTFE (Registration number : 0784457).

For P series For P series

Note: For special conditions(e.g.,extremely high pressure, dynamic application), it may not be applicable. Please consult NOK.

※For callout number of P3-P10, cut angle is 40° 0 -5

Backup Rings, equivalent to JIS B 2401-4

Backup ring Callout number

Inside dia-meter d

Width W

ThicknessT

Gap ZT1（Spiral） T2（Bias cut）T3（Endless） Inside

diameter dOutside

diameter DThickness

T

Spiral Bias cut or endlessNOK code O-Ring application JIS B 2401-1Dimension number


Inside dia-meter d

Width W

ThicknessT


diameter dOutside

diameter DThickness

T


Bac

kup

Rin

gs

Bac

kup

Rin

gs

■When ordering, please indicate ‘NOK code’.　Example 1) In the case of using JIS 85 O-Ring, the

corresponding bias cut(T2) backup ring is　　・NOK code: GN 0563 A0　Example 2) In the case of using JIS 85 O-Ring, the

corresponding endless(T3) backup ring is　　・NOK code: GN 0931 A0

6362






GN 0365 A0






GN 0709 A0






GN 1129 A0

P 220P 225P 230P 235P 240

P 245P 250P 255P 260P 265

P 270P 275P 280P 285P 290

P 295P 300P 315P 320P 335

P 340P 355P 360P 375P 385

P 400

220225230235240

245250255260265

270275280285290

295300315320335

340355360375385

400

P 220P 225P 230P 235P 240

P 245P 250P 255P 260P 265

P 270P 275P 280P 285P 290

P 295P 300P 315P 320P 335

P 340P 355P 360P 375P 385

P 400

2.75 ±0.15 7.5 ＋0.03 −0.05 1.4 ±0.08 6.0 ±2.0

220225230235240

245250255260265

270275280285290

295300315320335

340355360375385

400

235240245250255

260265270275280

285290295300305

310315330335350

355370375390400

415

＋ 0.30 0

0− 0.30










GN 0347 A0










GN 0691 A0










GN 1101 A0

G 25G 30G 35G 40G 45

G 50G 55G 60G 65G 70

G 75G 80G 85G 90G 95

G 100G 105G 110G 115G 120

G 125G 130G 135G 140G 145

G 150G 155G 160G 165G 170

G 175G 180G 185G 190G 195

G 200G 210G 220G 230G 240

G 250G 260G 270G 280G 290

G 300

25 30 35 40 45

50 55 60 65 70

75 80 85 90 95

100105110115120

125130135140145

150155160165170

175180185190195

200210220230240

250260270280290

300

G 25G 30G 35G 40G 45

G 50G 55G 60G 65G 70

G 75G 80G 85G 90G 95

G 100G 105G 110G 115G 120

G 125G 130G 135G 140G 145

G 150G 155G 160G 165G 170

G 175G 180G 185G 190G 195

G 200G 210G 220G 230G 240

G 250G 260G 270G 280G 290

G 300

1.25 ±0.10

1.9 ±0.13

2.5 ＋0.03 −0.05

5.0 ＋0.03 −0.05

0.7 ±0.05

0.9 ±0.06

4.5 ±1.5

6.0 ±2.0

25 30 35 40 45

50 55 60 65 70

75 80 85 90 95

100105110115120

125130135140145

150155160165170

175180185190195

200210220230240

250260270280290

300

30 35 40 45 50

55 60 65 70 75

80 85 90 95100

105110115120125

130135140145150

160165170175180

185190195200205

210220230240250

260270280290300

310

＋ 0.20 0

＋ 0.25 0

＋ 0.30 0

0− 0.20

0− 0.25

0− 0.30

(unit: mm)

d

W

30°±5※

φd

φd

W

22°0-3※

T

Z

T

WφD

φD

T

Spiral（T1） Bias cut（T2） Endless（T3）

(unit: mm)

Types of backup ringsType symbol Material Shape

T1 Rareflon (10FF) SpiralT2 Rareflon (10FF) Bias cutT3 Rareflon (10FF) Endless

*1: In the case of bias cut or endless backup ring, difference between maximum and minimum dimensions of width 'W' for the same backup ring is less than 0.05mm.

*2: Dimension 'Z' is a gap when a backup ring is installed onto the same shaft as inside diameter of a groove according to its O-Ring callout.

*3: Bias cut type is made by a cut in one position from endless type.

*4: 'Rareflon' is registered as NOK trademark for PTFE (Registration number : 0784457).

For P series For G series

Note: For special conditions(e.g.,extremely high pressure, dynamic application), it may not be applicable. Please consult NOK.

※For callout number of P3-P10, cut angle is 40° 0 -5

Backup Rings, equivalent to JIS B 2401-4


Inside dia-meter d

Width W

ThicknessT


diameter dOutside

diameter DThickness

T



Inside dia-meter d

Width W

ThicknessT


diameter dOutside

diameter DThickness

T


Bac

kup

Rin

gs

Bac

kup

Rin

gs

■When ordering, please indicate ‘NOK code’.　Example 1) In the case of using JIS 240 O-Ring, the

corresponding bias cut(T2) backup ring is　　・NOK code: GN 0669 A0　Example 2) In the case of using JIS 240 O-Ring, the

corresponding endless(T3) backup ring is　　・NOK code: GN 1072 A0

65

Table 7-1

Surface treatmentNOK callout name

Rarefl on coating11CF (gray)

Silicon fi lm treatmentSP

Satin fi nish treatment

Structure

Rarefl on(5-20μm)

Thin fi lm by chemical reaction(a few microns)

Forming irregularities of a few microns on surfaces(surface roughness 4-8μm)

Friction coeffi cient* 0.1 0.1 More than 1(the same as normal)

Adhesiveness between base material (O-Ring)

and coating△ ○ −

Usa

ge p

urpo

se

to moderate adhesion between counter part and O-Ring

◎ ◎ −

to reduce insert load during installation (not applicable to reciprocating application)

○ ○ −

to avoid adhesion of O-Rings each other ○ ○ ○

* Measured by Heidon dynamic friction tester Supplement: Each treatment cannot be applied to some rubber materials.

64

(unit: mm)

W

Wf

f

d0

NOK SP Treatment O-Ring Series (Static application)Material (NOK symbol) A305+SP F201+SP

NOK code NOK callout number O-Ring dimension

TypeDimension

code

Material codeASP

（A305+SP）FSP

（F201+SP）Thickness

W

Inside diameter

d0

Tolerance of inside diameter ‘d0’Burr

fA305+SP

F201+SP

A305+SP

F201+SP

CO 60000

A

I0 ASP 3 FSP 3

1.9±0.08

2.8 ± 0.14 ± 0.16

<0.10

CO 60001 G0 ASP 4 FSP 4 3.8CO 60002 F0 ASP 5 FSP 5 4.8 ± 0.15 ± 0.18CO 60003 H0 ASP 6 FSP 6 5.8CO 60004 G0 ASP 7 FSP 7 6.8

± 0.16 ± 0.19CO 60005 I 0 ASP 8 FSP 8 7.8CO 60006 F0 ASP 9 FSP 9 8.8

± 0.17 ± 0.20CO 60007 K0 ASP 10 FSP 10 9.8

CO 60008

A

G0 ASP 10A FSP 10A

2.4±0.09

9.8

<0.12

CO 60009 E0 ASP 11 FSP 11 10.8 ± 0.18 ± 0.21CO 60011 F0 ASP 12 FSP 12 11.8

± 0.19 ± 0.22CO 60012 H0 ASP 12.5 FSP 12.5 12.3

CO 60013 J0 ASP 14 FSP 14 13.8CO 60014 G0 ASP 15 FSP 15 14.8 ± 0.20 ± 0.24CO 60015 H0 ASP 16 FSP 16 15.8CO 60016 N0 ASP 18 FSP 18 17.8 ± 0.21 ± 0.25CO 60017 J0 ASP 20 FSP 20 19.8 ± 0.22 ± 0.26

■ Note: 1. SP treatment O-Ring Series have silicon coating on the surface,

which is designed based on JIS B 2401-1 P Series.2. Characteristic for SP treatment is as follows:

3. Dimensions are according to JIS B 2401-1 P series.4. Please refer to Page 23 for groove dimension.5. NOK does not recommend to use this series of O-Rings for

dynamic application.■Characteristic• Reaction between functional groups of the surface treatment agent and rubber surface molecules form a non-adhesive layer of very thin film as well as a low friction surface.

• Coating is colourless, transparent, and is very thin and it's thickness is only a few microns.

• Rubber performance with SP coating the same as those without SP cotaing.

• SP treatment maintains low friction after aging test or fluid immersion test.

* Satin finish treatment is applied to O-Ring surface for this series.

reduction of insert or

assembly load

good flow at a part feeder

clean environment due

to non-grease

non-adhesive, antistatic

Advantages for various applications

17.Joint O-Ring

16.Surface Treatment of O-Rings

NOK provide O-Ring with diameter of more than φ400mm, which is made by joint technology.Please consult NOK.

(1) Material

(2) O-Ring Thickness of tooling available

(3) Dimensions …Inside diameter of more than φ400mm

(4) Dimension Tolerance・Inside diameter : Tolerance is +/－1% of the inside diameter both for NBR-70-1 and for FKM-70.・Thickness : Tolerance is mentioned below:

NOK make O-Rings with surface treatments according to usage purposes. Please consult NOK.

3 3.53 4 5.33 5.7 6 6.98 8.4 10 12 12.7 15

(unit: mm)

1617

Oリング Oリング Oリング

NOK material code A305(black) F201(black)

JIS symbol NBR-70-1 FKM-70

Old JIS symbol conformed to 1A conformed to 4D

(unit: mm)Thickness A305 (NBR-70-1) F201 (FKM-70)

more than ø3.00 and ø3.00 - up to ø5.70 ±0.15 ±0.20more than ø5.70 - up to ø8.40 ±0.25 ±0.25more than ø8.40 - up to ø11.0 ±0.30 ±0.30more than ø11.0 - up to ø17.0 ±0.50 ±0.50

NEW

■ When ordering, please indicate 'NOK Callout Number' as well as 'NOK code'.

　Exa mple 1) In the case of O-Ring ID of 7.8, its thickness of 1.9 and A305 with SP treatment,

　　・NOK code: CO 60005 A type/dimension code material code　Example 2) In the case of O-Ring ID of 7.8, its thickness

of 1.9 and F201 with SP treatment,　　・NOK code: CO 60005 I0 type/dimension code material code

O-Ring O-Ring O-Ring

SP T

reat

men

t O-R

ing

Serie

s

66 67

(4) Volume change for various chemical fluid (measured value)Volume change for typical chemical fluid is shown in Table 8-2.

18. 'FP64' Material (Improved Chemical & Solvent Resistance)

NOK has a material 'FP64', which is excellent in chemical and solvent resistance.

(1) Availability:NOK has the following JIS P/G series, AS 568 series and large size O-Ring ( ＞ 400mm diameter) comes in FP64 material.

(2) Characteristic● This is as excellent as FFKM(Perfluoroelastomer) in solvent resistance.● This is also excellent in acid and alkali resistance.● This has the same performance as FKM(Fluoro rubber) for heat and cold usage.● This does not include heavy metals. ( * Heavy metal is defined as higher density than Vanadium 'V' in the periodic table.)● This is suitable for chemical, oil or paint facility, drug and office automation equipment, where chemical or

solvent is used.

(3) General Material Properties

18

NOK KLUEBER Lubricants・Lubrication for general machine parts 　Rolling bearing, plain bearing, chain, gear, valve etc.

・Lubricant for special conditions and applications 　Oxygen contact, vacuum, sliding surface 　Food processing, textile machine, various conveyors

・Special Lubricant 　 PFPE lubricant, silicone lubricant, solid lubricant special

releasing agent, anti-rust agent and sealing lubricant

Please refer to special lubricant Cat. No. 906 for details.

Table 9-1 KLUEBER Lubricant List for Seals

19. KLUEBER Lubricants for SealsNOK KLUEBER CO., LTD. is a joint venture between NOK CORPORATION and Klueber Lubrication Muenchen SE & Co. KG, a German manufacturer of special lubricants for more than 100 years.

Based on NOK’ s and Klueber’ s extensive experience and proprietary technologies, NOK KLUEBER CO., LTD. provides solution for various lubrication problems.

NOK KLUEBER CO., LTD. will continue to address various difficult challenges in the lubrication field and develop products which meet the customer's needs especially in severe conditions like extremely high or low temperature, high speeds, high loads.

19

Table 8-1

NOK material code FP64 (black)

1. Original property Hardness (duro A) Tensile strength (MPa) Elongation (%)

70 15.7

1902. Compression permanent set

(%)175℃×22h

223. Performance at low temperature TR10 value (℃) -10

Table 8-2

Types of fluid Temperature(℃)

Time(h)

General FKM Fluoro rubber

FFKMPerfluoro elastomer FP64

Acid・Alkali

Acetic acid (98%) 118 70 110 10 27Nitric acid (60%) 86 70 50 5 11Sulfuric acid (90%) 95 168 12 5 3Hot phosphoric acid (85%) 160 168 55 4 0Hydrofluoric acid (2%) 23 720 n.t 5 4Sodium hydroxide (30%) 100 70 decomposition 5 0Potassium hydroxide (30%) 150 70 decomposition 4 12Ammonia: NH4OH (2%) 23 720 n.t 3 2

Solvent

Acetone 20 168 more than 200 10 25Xylene 25 168 n.t 5 5Methyl ethyl ketone 20 168 more than 200 7 25Butyl acetate 125 70 more than 200 13 31Dibutyl ether 25 168 85 3 5Methyl t-butyl ether 23 70 120 17 26Toluene 23 70 11 2 4THF(Tetrahydrofuran) 20 168 more than 200 11 28Dichloromethane 20 168 25 9 12

・n.t : Not tested・Values in the table are volume change ratio (%)・Measured values in the table above are not guaranteed.

SEALUB S-1

SEALUB S-8

SEALUB S-14

SEALUB L101

Klüber L604

Klübersynth UH1 64-2403

PARALIQ GTE 703

BARRIERTA L 55/2 H1

General

Water resistant

Low temperature/high speed

Assembly

Adhesion prevention

Food processing machinery

High temperature, solvent and chemical resistant

Lubricant ApplicationService

temperature

(℃)

−30 - 120

−45 - 160

−50 - 150

−30 - 90

−25 - 260

−10 - 140

−50 - 150

−30 - 260

○

○

○

○

○

○

○

○

○

○

○

○

○

○

○

○

○

×

○

○

○

○

×

○

○

○

○

○

○

○

○

○

×

○

×

*2○

○

×

○

○

Compatibility with seal materials *1

2

3

2

—

Oil

3

3

2

Consistency

(NLGI class)Examples of use Features

Automobiles, construction machinery, agricultural machineryAutomobiles, household appliances

Automobiles, home electric appliances

Assembly, insertion of various seals, seal parts

Assembly of elastomer and plastics, adhesion prevention, electric contacts, high-temperature friction points

Lubricants for food and beverage processing machinery

Automobiles, chemical plant equipment

General-purpose grease for use with rubber Excellent resistance to water and steam

Wide service temperature range

Quick drying assembly wax, spray product

Perfluorinated oil for high temperature, adhesion prevention / spray product

Excellent resistance to water and steam, NSF H1 registered *3

Excellent resistance to heat, solvents and chemicals, NSF H1 registered *3

*1 Compatibility with seal materials　 ○ : compatible　 × : not compatible

*2 Data of base product

〔〕Compatibility with seal materials is assessed based on average value, please confirm if the lubricant is applicable in real application.

*3 NSF H1 lubricant Lubricant with incidental food contact

Nitrile rubber

Acrylic rubber

Silicone rubber

Fluoro-carbon rubber

Ethylene propylene rubber

6968

(4) Friction of O-RingIn dynamic application, sliding resistance is significant to efficiency of machine.It is difficult to express the sliding resistance of O-Ring, as O-Ring friction is affected by compression ratio, surface machining precision of rod or cylinder, pressure, sliding speed, lubricating condition, temperature, hardness, and diameter dimension.Figure 6-4 shows the kinetic friction target value of standard O-Ring dimension for JIS P series (durometer A70).

There are starting friction and kinetic friction in dynamic O-Ring friction. The starting friction is by far larger than the kinematic friction.Lubrication of O-Ring in dynamic sealing is significant to its life time, especially for air sealing, adequate oil must be applied.

20. Reference DataTechnical data is based on test results and not guaranteed.

Compression permanent set test for rubber is tested according to JIS K 6262(Physical test method for cured rubbers), which is the most general method.In the case of large inside diameter of O-Ring, the O-Ring is cut to a length of about 40mm. Then, it is put between test jigs shown in Figure 6-1, and the jigs are set so that the rubber can have a specified compression ratio. After that, they are kept in oven at a specified temperature, and they are picked out after every specified time and their compression set

changes are measured by dial gauge.Calculation method of the compression set is in accordance with JIS.

(3) O-Ring reaction force of compressive stressO-Ring itself generates reaction force (compression reaction force of O-Ring) due to its compressive stress.O-Ring reaction force is shown in Figure 6-3. It indicates tightening force of flange. The reaction force depends on rubber hardness, compression ratio and O-Ring dimension.

(2) Seal function according to surface roughnessSeal function of O-Rings depends on surface roughness.・Type/Size : OR 21.8×2.4 (OR NBR-70-1 P22-N) Material : A305 (JIS NBR 70-1)・Test Method: Pressure : 3MPa, Temperature : room temperature, Time : 2 min. of pressure time

Compression ratio : 25% (Groove dimensions of O-Ring is in accordance with NOK recommendation.)

Figure 6-2 [Test jig]

Flat face static(internal pressure)

Surface direction 1. One direction 2. Circumference direction (end face of cylinder)

(1) Test method of compression permanent set

Figure 6-1

Table 10-1 ○：Leakage ×：No leakage Surface roughness (Rz) 5μm 6μm 8μm 10μm 14μm

Surface 1. One direction ○ ○ ○ ○ × direction 2. Circumference direction ○ ○ ○ ○ ○

・Test results (Whether or not leakage occurs during gradual pressure increase from zero.)

・Conclusion (1) In the case of one direction surface, leakage occurs at Rz 14 um. (2) In the case of circumference direction, no leakage occurs even at Rz 14um. As seal function depends on surface or usage conditions, please refer to Table 5-2 on Page 14 for surface process.

Figure 6-3 Reaction force of O-RingRubber hardness (duro A): 70°Compression ratio: 20%

2020Rz: Maximum height of surface roughness

石けん水塗布ハウジング

壷

＝

試料

チューブシリンダ

N2ガス

粗さ測定

粗さ形態粗さ形態

粗さ測定

0 50 100 150 200 250 300

10000

20000

15000

5000

Test conditionFinish of sliding face Rz=1.6Hard chrome platedHydraulic oilRoom temperatureCompression value equivalent to JIS P series

ThicknessKinematic friction (N)Test condition

Finish of sliding face Rz=1.6Hard chrome platedHydraulic oil

Room temperatureCompression value equivalent to JIS P series

Thickness φ8.4

Thickness φ5.7

Thickness φ3.5

Thickness φ2.4

Thickness φ1.9

0MPa2.0MPa4.9MPa7.8MPa9.8MPa

1 10 100 1000

1000

10000

100

10

圧縮反力（N）

内径（mm）

試験条件しゅう動面仕上 Ry＝1.6硬質クロームメッキ作動油常温速度　5m/sec

φ1.9φ2.4φ3.5φ5.7φ8.4

長さ約40mmに切断したOリング

スペーサーSpacer

Sample

Surface measurement

Surface measurement

Roughness condition

Roughness condition

N2 gas

O-Ring cut to a length of 40mm

Inside diameter (mm)

Inside diameter (mm)

Rea

ctio

n fo

rce

(N)

Kine

tic fr

ictio

n fo

rce

(N)

Figure 6-4 Kinetic friction force of O-Ring

70 71

2020

(6) O-Ring for Pneumatic dynamic sealing (Friction characteristic)

(5) Compression permanent set relationship with compression ratio of O-Ring

0 10 20 30 40 50

T667F201

70

60

50

40

30

20

10

CS （%）

圧縮率（%）

0 20 40 60

q80℃w100℃e120℃

材料：A305（JIS NBR-70-1）70

60

50

40

30

20

10

圧縮永久歪（%）

つぶし率（%）

0 20 40 60

q80℃w100℃e120℃

材料：S50370

60

50

40

30

20

10

CS （%）

圧縮率（%）

0 10 20

φ30

φ50

φ70

O-Ring: P seriesMaterial: A305 Compression ratio: standard ø30−14％ ø50−14％ ø70−12％Fluid: airPressure: 0.5 MPaSurface roughness: Rz=1.6Lubricant: No.2 lithium soap-based greaseCylinder diameter: ø30,ø50,ø70

Compression ratio 18%

Compression ratio 14% (standard)


Compression ratio 14%(standard)



O-Ring: P seriesMaterial: A305 Compression ratio: standardFluid: airPressure: 0.5 MPaSurface roughness: Rz=1.6Lubricant: No.2 lithium soap-based greaseStorage time: 1min

700

600

500

400

300

200

100

400

300

200

100

Storage time h

0 0.1 0.50.3

O-Ring: P-44Material: A305 Fluid: airSurface roughness: Rz=1.6Lubricant: No.2 lithium soap-based greaseStorage time: 30min

O-Ring: P-44Material: A305 Fluid: airSurface roughness: Rz=1.6Lubricant: No.2 lithium soap-based greaseCylinder diameter: ø50

200

100

Air pressure MPa0 0.1 0.50.3

200

100

Air pressure MPa

0 100562613Cylinder diameter ø mm

Star

ting

frict

ion

(2 O

-rin

gs) N

Star

ting

frict

ion

(2 O

-rin

gs) N

Star

ting

frict

ion

(2-O

-Rin

gs) N

Kine

mat

ic fr

ictio

n (2

-O-R

ings

) N

Figure 6-5

Material: A305 (JIS NBR-70-1)

Figure 6-6 Relation between storage time and starting friction Figure 6-7 Relation between cylinder diameter and starting friction

Figure 6-8 Relation between air pressure and starting friction Figure 6-9 Relation between air pressure and kinematic friction

(7) Blooming (Bloom)Blooming occurs when chemicals inside uncured or cured rubber migrate to O-Ring surface. Blooming phenomena is seen when the chemicals cover O-Ring surface. Anti-aging chemicals(e.g., sulfur, paraffin) are easy to bloom.

Blooming phenomena intentionally occurs (to improve ozone resistance) by using rubber compound technology. Also, blooming phenomena may happen by accident. Root causes are shown in Figure 6-10*1 are:

1) Low solubility (solubility between rubber and chemical)2) Large mobility (Chemical mobility in rubber compound)3) Concentration difference of blooming chemicals between the inside and the rubber surfaces

Blooming phenomena actually does not take the simple model shown in Figure 6-10 because rubber compound contains a lot of chemicals and they induce the phenomena with each other.*2

Moreover, concentration difference is affected by evaporation or volatilization of blooming chemicals and oxidation of rubber surface by air. *3 Blooming from oxidation may take a few hours just after exposure to air.Blooming phenomena can be explained by experience, not completely explained by theory. The experiences are as follows*2 :

a) Easy to get blooming under light, especially fluorescent light of short-wavelength

b) Easy to get blooming if rubber surface is rubbed or open to wind.c) Get blooming as a fingerprint is left if rubber surface is touched

(Reference : Dictionary of Polymer Technology, Taiseisha Ltd.)*1. A.K.BHOWMIC.and S.K.D.E.,Rubbcr Chem.Tech. vol.52,52,976(1979)*2. Hideo Kaneko, Ouyou-Gomu-Bussei-Ron 16, P268, The society of Rubber

Industry, Japan*3. Nobuaki Urabe, Humio Sakaguchi, Polymer no Tomo VOL.3,227(1966)

Figure 6-10

Mobility Solubility

Amount of Bloom

Temperature

Mobility

Amount of Bloom

Solubility

DataEnvironment: AirTemperature: q80℃

w100℃ e120℃Thickness: 3.5mmTime: 70h

Compression ratio (%)

Com

pres

sion

per

man

ent s

et (%

)

Table 10-2

AppearanceCause Countermeasure

Failure Status

Twisted O-Ring is twisted.

①Moving too fast②�Eccentric movement

happens③�Roughness of sliding

surface un-uniform④Twisted during installation

①�Change to D-Ring, X-Ring or lip packing

②�Avoid eccentric movement③�Improve roughness of

sliding surface④Carefully install (e.g.,grease application)

HardenedHardened and cracked when it is bent

①�Working temperature is over the heat resistance limitation of rubber material

�①・�Lower operating temperature

　・�Use material with better heat resistance

Swelling(softened)

The whole O-Ring is softened and swelled

①�Rubber material is incompatible with sealing medium

②�Detergent such as light oil and gasoline remains on the machine after cleaning

①��Use other material

②��Remove the detergent

Permanent set

O-Ring section part is deformed in groove

①・��Too much compression　・��High temperature　・��Medium to be sealed This failure is mostly

synergism of the causes mentioned above.

①�Redesign groove dimension and rubber material.

Reduce temperature around O-Ring

Extrusion

O-Ring outside or inside is circumferen-tially (or partially) is torn

①�Too much pressure, clearance or swelling of rubber is affected.

Extrusion Pressure→

①・��Keep proper clearance or use backup ring

　・�Use other rubber material

AppearanceCause Countermeasure

Failure Status

ScrapesGouges

The same portion as compression value from O-Ring outside or inside is torn off, or partially is gouged.

①�Incorrect installation to the housing or shaft which has insufficient chamfer.

②�Incorrect installation to the groove which is shallower than the standard compared with thickness of O-Ring.

③�It is damaged by hole,screw end or similar objects during installation

①��Chamfer properly

②�Redesign groove dimension

③�Take care of end chamfer use installation jig

Ozone crack

Cracks on O-Ring surface

①��O-Ring is elongated and exposed to air and damaged by ozone

�①�・�Do not leave O-Ring elongated and exposed to air.

　・�Apply grease or oil on O-Ring surface so it does not come into contact with air

ScratchRubbed scratch on O-Ring outside or inside surface

①��O-Ring inside(outside) surface is damaged by screw or by other similar objects

①��Use protection jig so the screw cannot touch O-Ring directly

Wear Wear is observed on O-Ring area

①��If surface finish of counter part of O-Ring is rough, pressure fluctuation results in wear

②�Not enough lubrication③�Presence of dust, metal or

chips

①�Remake the surface of the counter part to specified roughness

②�Improve lubrication③�Remove dust or use filter

or dust seal

72 73

(7) Failure mode and countermeasureIf leakage failure is observed, please refer to the following table to check the cause of failure and find countermeasures.

2020

Twisted and torn

*Torn after heavily twisted

74 75

(9) Swelling Mechanism(1) About swellingSwelling is the state in which equilibrium is attained between the force of oil molecules entering the polymer molecules and increasing the space between polymer molecules and the elasticity of the cross-linked meshes.Whether the swelling is larger or smaller depends directly on the affinity between the oil and polymer, the larger the affinity is, the larger the swelling is.The SP (Solubility Parameter : the closer the polarity is, the larger the affinity is) value is often used as an index of affinity. Two materials with similar molecular structures have larger affinity.

[Example 1] EPDM and mineral oil (high affinity) → Large swelling

　→ EPDM and mineral oil are similar in structure (only C and H have no polar group) and their affinity is high, so the swelling is large.

[Example 2] NBR and mineral oil (poor affinity) → Small swelling

　→ NBR and mineral oil are dissimilar (NBR has a polar group) and their affinity is poor, so the swelling is small.

(2) Progress of swelling

Before swelling After swelling

Oil immersion

Rubber molecule

Oil molecule

Crosslinking point

Oil tries to get between rubber molecules, spreading the clearance between the rubber molecules (swelling phenomenon).The clearance between rubber molecules is spread by oil swelling, but because of bridge, clearance swelling does not occur beyond a point (called equilibrium swelling).<Reference: With non-bridge rubbers, swelling becomes bigger and bigger until dissolution finally occurs (such as rubber adhesive material and spray glue).>

Refer to P8 or P9 about affinity between each rubber and fluid.Example) ◎ … suitable for use (good affinity) × … not suitable for use (bad affinity)

EPDM SP value: 8（small polarity）

［CH2−CH2］n［CH＋CH2］m ｜

　　　CH3

Mineral oil SP value: 6 - 8（small polarity）

CnH2n＋2

NBR SP value: 9 - 10（large polarity）

［CH2−CH＝CH−CH2］n［CH−CH2］m　　　　　｜

　　　　　 C−−− N ← Polar group

Mineral oil SP value: 6 - 8（small polarity）

CnH2n＋2

21. Other Design Standard of Mating PartsAs to dimension of groove, please refer to the dimension table for each specific model of O-Ring.Old ARP568, AS568 series and equivalent to ISO general industrial series groove dimension is not prescribed in AS standard and ISO standard, so please refer to the following setting.Also, refer to reference documentation on this page.

2120

[Reference documentation] Please refer to the following for groove dimension.

[Setting] 1. Compression ratio Application range: 8 - 30 %

E（%）：Compression ratio σ （mm）：Compression allowance（＝W－Ｈ） W（mm）：O-Ring thickness H（mm）：Groove depth

� σE＝�—�×100� W

2. Filling ratio Application range: max 90%, middle 75% (target value in design)

n（%）：Filling ratio G（mm）：Groove width W（mm）：O-Ring thickness H（mm）：Groove depth

� π／4×W2n＝�——�×100� G×H

Table 11-1 Groove dimension for cylindrical sealing application <for static>

Table 11-3 Groove dimension for flat face static sealing application

Table 11-2 Groove dimension for cylindrical sealing application <for dynamic>

(1) General Industrial Series (ISO equivalent) (based on JIS B 2401-2)

AS568 Series (Old APP568)General Industrial Series (ISO equivalent)｝Setting of groove dimension

油浸せき

ゴム分子

油分子架橋点

G

H W

Hσ

W

r1 r1

r2 r2

Groovewidth

Gro

ove

dept

h

(unit: mm)O-Ring

thicknessGroove

width +00.25

Groove depth Groove bottom r1

Groove corner r2for piston for rod

1.80 ± 0.08 2.4 1.38 1.42 0.2 - 0.4 0.1 - 0.3

2.65 ± 0.09 3.6 2.07 2.15 0.2 - 0.4 0.1 - 0.3

3.55 ± 0.10 4.8 2.74 2.85 0.4 - 0.8 0.1 - 0.3

5.30 ± 0.13 7.1 4.19 4.36 0.4 - 0.8 0.1 - 0.3

7.00 ± 0.15 9.5 5.67 5.89 0.8 - 1.2 0.1 - 0.3

(unit: mm)O-Ring

thicknessGroove

width+00.25

Groove depth

Groove bottom r1

Groove corner r2

1.80 ± 0.08 2.6 1.28 0.2 - 0.4 0.1 - 0.3

2.65 ± 0.09 3.8 1.97 0.2 - 0.4 0.1 - 0.3

3.55 ± 0.10 5.0 2.75 0.4 - 0.8 0.1 - 0.3

5.30 ± 0.13 7.3 4.24 0.4 - 0.8 0.1 - 0.3

7.00 ± 0.15 9.7 5.72 0.8 - 1.2 0.1 - 0.3

(unit: mm)O-Ring

thicknessGroove

width +00.25*

Groove depth* Groove bottom r1

Groove corner r2for piston for rod

1.80 ± 0.08 2.4 1.42 1.47 0.2 - 0.4 0.1 - 0.32.2 1.46 1.57

2.65 ± 0.09 3.6 2.16 2.24 0.2 - 0.4 0.1 - 0.33.4 2.23 2.37

3.55 ± 0.10 4.8 2.96 3.07 0.4 - 0.8 0.1 - 0.34.6 3.03 3.24

5.30 ± 0.13 7.1 4.48 4.66 0.4 - 0.8 0.1 - 0.36.9 4.65 4.86

7.00 ± 0.15 9.5 5.95 6.16 0.8 - 1.2 0.1 - 0.39.3 6.20 6.43* Upper: for hydraulic, Lower: for pneumatic

7776

21

(2) for AS568 series (according to MIL-G-5514G)

MS28775Callout

dimension

AN6227Callout dimensionOld JISW1516Callout number


001

002

003

004

005

006

007

008

009

010

011

012

013

014

015

016

017

018

019

020

021

022

023

024

1

2

3

4

5

6

7

only for static usage

2.36 2.34 3.20 3.18 3.98 3.97 4.77 4.75 5.56 5.54 5.91 5.90 6.70 6.68 7.49 7.47 8.30 8.28 9.09 9.07 10.66 10.65 12.26 12.25 13.91 13.90 15.51 15.50 17.09 17.07 18.69 18.67 20.26 20.25 21.86 21.85 23.44 23.42 25.12 25.10 26.69 26.67 28.29 28.27 29.87 29.85 31.47 31.45

C A F B H E

2.42 2.43 3.26 3.27 4.04 4.06 4.83 4.85 5.62 5.63 5.97 5.99 6.76 6.78 7.55 7.56 8.36 8.38 9.15 9.16 10.72 10.74 12.32 12.34 13.97 14.02 15.57 15.62 17.15 17.19 18.75 18.79 20.32 20.37 21.92 21.97 23.50 23.54 25.18 25.22 26.75 26.79 28.35 28.39 29.93 29.97 31.53 31.57

0.83 0.82 1.21 1.20 1.60 1.58 1.93 1.91 2.74 2.72 3.12 3.10 3.91 3.89 4.69 4.68 5.51 5.49 6.29 6.28 7.87 7.85 9.47 9.45 11.12 11.08 12.72 12.68 14.30 14.25 15.90 15.85 17.47 17.43 19.07 19.03 20.65 20.60 22.32 22.28 23.90 23.86 25.50 24.46 27.07 27.03 28.67 28.63

0.83 0.82 1.21 1.20 1.60 1.58 1.93 1.91 2.74 2.72 3.12 3.10 3.91 3.89 4.69 4.68 5.51 5.49 6.29 6.28 7.87 7.85 9.47 9.45 11.04 11.00 12.64 12.60 14.22 14.18 15.82 15.78 17.39 17.35 18.99 18.95 20.57 20.53 22.17 22.13 23.74 23.70 25.34 25.30 26.92 26.88 28.52 28.48

0.89 0.91 1.27 1.29 1.66 1.67 1.99 2.00 2.80

*2.81 3.18 3.20 3.97 3.98 4.75 4.77 5.57 5.58 6.35 6.37 7.93 7.95 9.53 9.55 11.10 11.12 12.70 12.72 14.28 14.30 15.88 15.90 17.45 17.47 19.05 19.07 20.63 20.65 22.23 22.25 23.80 23.82 25.40 25.42 26.98 27.00 28.58 28.60

2.42 2.43 3.26 3.27 4.04 4.06 4.83 4.85 5.62 5.63 5.97 5.99 6.76 6.78 7.55 7.56 8.36 8.38 9.15 9.16

10.72 10.74 12.32 12.34 13.90 13.94 15.50 15.54 17.07 17.11 18.67 18.71 20.25 20.29 21.85 21.89 23.42 23.46 25.02 25.06 26.60 26.64 28.20 28.24 29.77 29.81 31.37 31.41

0.38 0.13

0.38 0.13

1.60 1.85 1.86 2.10 2.11 2.36

2.392.64

2.392.64

RG

without backup

ring

MS28775Callout

dimension



C A F B H E RG

without backup

ring

(unit: mm)

025

026

027

028

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129


8

9

10

11

12

13

14


33.04 33.02 34.64 34.62 36.22 36.20 37.82 37.80 13.91 13.90 15.51 15.50 17.09 17.07 18.69 18.67 20.26 20.25 21.86 21.85 23.44 23.42 25.12 25.10 26.69 26.67 28.29 28.27 29.87 29.85 31.47 31.45 33.04 33.02 34.64 34.62 36.22 36.20 37.82 37.80 39.39 39.37 40.99 40.97 42.57 42.55 44.17 44.15

33.10 33.14 34.70 34.74 36.28 36.32 37.88 37.92 13.97 14.02 15.57 15.62 17.15 17.19 18.75 18.79 20.32 20.37 21.92 21.97 23.50 23.54 25.18 25.22 26.75 26.79 28.35 28.39 29.93 29.97 31.53 31.57 33.10 33.14 34.70 34.74 36.28 36.32 37.88 37.92 39.45 39.49 41.05 41.09 42.63 42.67 44.23 44.27

30.25 30.21 31.85 31.81 33.42 33.38 35.02 34.98 9.44 9.40 11.04 11.00 12.62 12.58 14.22 14.18 15.79 15.75 17.39 17.35 18.97 18.93 20.65 20.60 22.22 22.18 23.82 23.78 25.40 25.35 27.00 26.95 28.57 28.53 30.17 30.13 31.75 31.70 33.35 33.30 34.92 34.88 36.52 36.48 38.10 38.05 39.70 39.65

30.09 30.05 31.69 31.65 33.27 33.23 34.87 34.83 9.47 9.43 11.04 11.00 12.64 12.60 14.22 14.18 15.82 15.78 17.39 17.35 18.99 18.95 20.57 20.53 22.17 22.13 23.74 23.70 25.34 25.30 26.92 26.88 28.52 28.48 30.09 30.05 31.69 31.65 33.27 33.23 34.87 34.83 36.44 36.40 38.04 38.00 39.62 39.58

30.15 30.17 31.75 31.77 33.33 33.35 34.93 34.95 9.53 9.55 11.10 11.12 12.70 12.72 14.28 14.30 15.88 15.90 17.45 17.47 19.05 19.07 20.63 20.65 22.23 22.25 23.80 23.82 25.40 25.42 26.98 27.00 28.58 28.60 30.15 30.17 31.75 31.77 33.33 33.35 34.93 34.95 36.50 36.55 38.10 38.15 39.68 39.72

32.95 32.99 34.55 34.59 36.12 36.17 37.72 37.77 14.00 14.04 15.57 15.62 17.17 17.22 18.75 18.79 20.35 20.39 21.92 21.97 23.52 23.57 25.10 25.14 26.70 26.74 28.27 28.32 29.87 29.92 31.45 31.49 33.05 33.09 34.62 34.67 36.22 36.27 37.80 37.84 39.40 39.44 40.97 41.02 42.57 42.62 44.15 44.19

0.38 0.13

0.38 0.13

0.38 0.13

2.392.64

3.59 3.83

3.59 3.83

(unit: mm)

21

* NOK set up this value

GR

C0.13＋0.12 　0 C0.13＋0.12 　0

0°～5°

R

0°～5°

溝形状

GR

C0.13＋0.12 　0 C0.13＋0.12 　0

0°～5°

R

0°～5°

溝形状

Dynamic application Cylindrical static application Flat face static application Dynamic application Cylindrical static application Flat face static application

Groove Groove

CφA

φ

Fφ

HφE

φ

Bφ

G

G

CφA

φ

Fφ

HφE

φ

BφG

G G

A－F E－B

または

2

2

平面固定用円筒面固定用運動用

or CφA

φ

Fφ

HφE

φ

Bφ

G

G

CφA

φ

Fφ

HφE

φ

BφG

G G

A－F E－B

または

2

2


or

797878

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

210

211

212

213


15

16

17

18

45.77 45.75 47.34 47.32 48.94 49.92 50.52 50.50 52.12 52.10 53.72 53.70 55.29 55.27 56.89 56.88 58.47 58.45 60.07 60.05 61.64 61.62 63.24 63.20 64.82 64.77 66.42 66.37 67.99 67.95 69.59 69.55 71.17 71.12 72.77 72.72 74.34 74.30 75.94 75.90 25.12 25.10 26.69 26.67 28.29 28.27 29.87 29.85

45.85 45.89 47.43 47.47 49.03 49.07 50.60 50.64 52.20 52.24 53.80 53.84 55.38 55.42 56.98 57.02 58.55 58.59 60.15 60.19 61.73 61.77 63.33 63.37 64.90 64.94 66.50 66.54 68.08 68.12 69.68 69.72 71.25 71.29 72.85 72.89 74.43 74.47 76.03 76.07 25.18 25.22 26.75 26.79 28.35 28.39 29.93 29.97

41.32 41.28 42.90 42.85 44.50 44.45 46.07 46.03 47.67 47.63 49.27 49.23 50.85 50.80 52.45 52.40 54.02 53.98 55.62 55.58 57.20 57.15 58.80 58.75 60.37 60.33 61.97 61.93 63.55 63.50 65.15 65.10 66.72 66.68 68.32 68.28 69.90 69.85 71.50 71.45 18.99 18.95 20.57 20.53 22.17 22.13 23.74 23.70

41.22 41.18 42.79 42.75 44.39 44.35 45.97 45.93 47.57 47.53 49.17 49.13 50.74 50.70 52.34 52.30 53.92 53.88 55.52 55.48 57.09 57.05 58.69 58.65 60.27 60.23 61.87 61.83 63.44 63.40 65.04 65.00 66.62 66.58 68.22 68.18 69.79 69.75 71.39 71.35 18.99 18.95 20.57 20.53 22.17 22.13 23.74 23.70

41.28 41.32 42.85 42.90 44.45 44.50 46.05 46.10 47.65 47.70 49.26 49.30 50.83 50.87 52.43 53.47 54.00 54.05 55.61 55.65 57.18 57.22 58.78 58.82 60.35 60.40 61.96 62.00 63.53 63.57 65.13 65.17 66.70 66.75 68.31 68.35 69.88 69.92 71.48 71.52 19.05 19.07 20.63 20.65 22.23 22.25 23.80 23.82

45.75 45.79 47.32 47.37 48.92 49.97 50.50 50.54 52.10 52.14 53.70 53.74 55.27 55.32 56.88 56.92 58.45 58.49 60.05 60.09 61.62 61.67 63.23 63.27 64.80 64.84 66.40 66.44 67.97 68.02 69.58 69.62 71.15 71.19 72.75 72.79 74.32 74.37 75.93 75.97 25.18 25.22 26.75 26.79 28.35 28.39 29.93 29.97

0.38 0.13

0.63 0.26

3.593.83

4.785.02

(unit: mm)

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

19

20

21

22

23

24

25

26

27


1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

31.47 31.45 33.04 33.02 34.64 34.62 36.22 36.20 37.82 37.80 39.39 39.37 40.99 40.97 42.57 42.55 44.17 44.15 47.34 47.32 50.52 50.50 53.72 53.70 56.89 56.88 60.07 60.05 63.24 63.20 66.42 66.37 69.59 69.55 72.77 72.72 75.94 75.90 79.12 79.07 82.29 82.25 85.47 85.42 88.64 88.60 91.82 91.77

31.53 31.57 33.10 33.14 34.70 34.74 36.28 36.32 37.88 37.92 39.45 39.49 41.05 41.09 42.63 42.67 44.23 44.27 47.43 47.47 50.60 50.64 53.80 53.84 56.98 57.02 60.15 60.19 63.33 63.37 66.50 66.54 69.68 69.72 72.85 72.89 76.03 76.07 79.20 79.24 82.38 82.42 85.55 85.59 88.73 88.77 91.90 91.94

25.34 25.30 26.92 26.88 28.52 28.48 30.09 30.05 31.69 31.65 33.27 33.23 34.87 34.83 36.44 36.40 38.04 38.00 41.24 41.20 44.42 44.38 47.62 47.58 50.80 50.75 53.97 53.93 57.15 57.10 60.32 60.28 63.50 63.45 66.67 66.63 69.85 69.80 73.02 72.98 76.20 76.15 79.37 79.33 82.55 82.50 85.72 85.68

25.34 25.30 26.92 26.88 28.52 28.48 30.09 30.05 31.69 31.65 33.27 33.23 34.87 34.83 36.44 36.40 38.04 38.00 41.22 41.18 44.39 44.35 47.57 47.53 50.74 50.70 53.92 53.88 57.09 57.05 60.27 60.23 63.44 63.40 66.62 66.58 69.79 69.75 72.97 72.93 76.12 76.08 79.29 79.25 82.47 82.43 85.64 85.60

25.40 25.42 26.98 27.00 28.58 28.60 30.15 30.17 31.75 31.77 33.33 33.35 34.93 34.95 36.50 36.52 38.10 38.12 41.28 41.32 44.45 44.50 47.65 47.70 50.83 50.87 54.00 54.05 57.18 57.22 60.35 60.40 63.53 63.57 66.70 66.75 69.88 69.92 73.05 73.10 76.20 76.25 79.38 79.42 82.55 82.60 85.73 85.77

31.53 31.57 33.10 33.14 34.70 34.74 36.28 36.32 37.88 37.92 39.45 39.49 41.05 41.09 42.63 42.67 44.23 44.27 47.40 47.44 50.58 50.62 53.75 53.79 56.93 56.97 60.10 60.14 63.28 63.32 66.45 66.49 69.63 66.67 72.80 72.84 75.98 76.02 79.15 79.19 82.30 82.34 85.48 85.52 88.65 88.69 91.83 91.87

0.63 0.26

0.63 0.26

4.785.02

4.785.02

(unit: mm)MS

28775Callout

dimension



C A F B H E RG

without backup

ring

MS28775Callout

dimension



C A F B H E RG

without backup

ring

21 21

GR

C0.13＋0.12 　0 C0.13＋0.12 　0

0°～5°

R

0°～5°

溝形状

GR

C0.13＋0.12 　0 C0.13＋0.12 　0

0°～5°

R

0°～5°

溝形状


Groove Groove

CφA

φ

Fφ

HφE

φ

Bφ

G

G

CφA

φ

Fφ

HφE

φ

BφG

G G

A－F E－B

または

2

2


or CφA

φ

Fφ

HφE

φ

Bφ

G

G

CφA

φ

Fφ

HφE

φ

BφG

G G

A－F E－B

または

2

2


or

8180

238

239

240

241

242

243

244

245

246

247

325

326

327

328

329

330

331

332

333

334

335

336

337

338

339

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42


16

17

18

19

20

21

22

23

24

25

94.99 94.95 98.17 98.12 101.34 101.30 104.52 104.47 107.69 107.65 110.87 110.82 114.02 113.97 117.19 117.15 120.37 120.32 123.54 123.50 47.34 47.32 50.52 50.50 53.72 53.70 56.89 56.88 60.07 60.05 63.24 63.20 66.42 66.37 69.59 69.55 72.77 72.72 75.94 75.90 79.12 79.07 82.29 82.25 85.47 85.42 88.64 88.60 91.82 91.77

95.08 95.12 98.25 98.29 101.43 101.47 104.60 104.64 107.78 107.82 110.95 110.99 114.13 114.17 117.30 117.34 120.48 120.52 123.65 123.69 47.43 47.47 50.60 50.64 53.80 53.84 56.98 57.02 60.15 60.19 63.33 63.37 66.50 66.54 69.68 69.72 72.85 72.89 76.03 76.07 79.20 79.24 82.38 82.42 85.55 85.59 88.73 88.77 91.90 91.94

88.90 88.85 92.07 92.03 95.25 95.20 98.42 98.38

101.60 101.55 104.77 104.73 107.95 107.90 111.12 111.08 114.30 114.25 117.47 117.43 37.97 37.93 41.14 41.10 44.34 44.30 47.52 47.48 50.69 50.65 53.87 53.83 57.04 57.00 60.22 60.18 63.39 63.35 66.57 66.53 69.74 69.70 72.92 72.88 76.09 76.05 79.27 79.23 82.44 82.40

88.82 88.78 91.99 91.95 95.17 95.13 98.34 98.30

101.52 101.48 104.69 104.65 107.87 107.83 111.04 111.00 114.22 114.18 117.39 117.35 38.04 38.00 41.22 41.18 44.39 44.35 47.57 47.53 50.74 50.70 53.92 53.88 57.09 57.05 60.27 60.23 63.44 63.40 66.62 66.58 69.79 69.75 72.97 72.93 76.12 76.08 79.29 79.25 82.47 82.43

88.90 88.95 92.08 92.12 95.25 95.30 98.43 98.47

101.60 101.65 104.78 104.82 107.95 108.00 111.13 111.17 114.33 114.37 117.50 117.55 38.10 38.15 41.28 41.32 44.45 44.50 47.65 47.70 50.83 50.87 54.00 54.05 57.18 57.22 60.35 60.40 63.53 63.57 66.70 66.75 69.88 69.92 73.05 73.10 76.20 76.25 79.38 79.42 82.55 82.60

95.00 95.04 98.18 98.22

101.35 101.39 104.53 104.57 107.70 107.74 110.88 110.92 114.05 114.09 117.23 117.27 120.40 120.44 123.58 123.62 47.50 47.54 50.68 50.72 53.85 53.89 57.03 57.07 60.20 60.24 63.38 63.42 66.55 66.59 69.73 69.77 72.90 72.94 76.08 76.12 79.25 79.29 82.43 82.47 85.58 85.62 88.75 88.79 91.93 91.97

0.63 0.26

0.880.51

4.785.02

7.147.39

(unit: mm)

340

341

342

343

344

345

346

347

348

349

425

426

427

428

429

430

431

432

433

434

435

436

437

438

439

43

44

45

46

47

48

49

50

51

52

88

53

54

55

56

57

58

59

60

61

62

63

64

65

66

94.99 94.95 98.17 98.12 101.34 101.30 104.52 104.47 107.69 107.65 110.87 110.82 114.02 113.97 117.19 117.15 120.37 120.32 123.54 123.50 126.23 126.19 129.41 129.37 132.58 132.54 135.76 135.72 138.93 138.89 142.11 142.07 145.28 145.24 148.46 148.42 151.63 151.59 154.81 154.77 157.98 157.94 161.16 161.12 164.33 164.29 170.68 170.64 177.03 176.99

95.08 95.12 98.25 98.29 101.43 101.47 104.60 104.64 107.78 107.82 110.95 110.99 114.13 114.17 117.30 117.34 120.48 120.52 123.65 123.69 126.34 126.41 129.52 129.59 132.69 132.76 135.87 135.94 139.04 139.11 142.22 142.29 145.39 145.46 148.57 148.64 151.74 151.81 154.92 154.99 158.09 158.16 161.27 161.34 164.44 164.51 170.79 170.86 177.14 177.21

85.62 85.58 88.79 88.75 91.97 91.93 95.14 95.10 98.32 98.28 101.49 101.45 104.67 104.63 107.84 107.80 111.02 110.98 114.19 114.15 114.22 114.15 117.39 117.33 120.57 120.50 123.74 123.68 126.92 126.85 130.09 130.03 133.27 133.20 136.44 136.38 139.62 139.55 142.79 142.73 145.97 145.90 149.14 149.08 152.32 152.25 158.67 158.60 165.02 164.95

85.64 85.60 88.82 88.78 91.99 91.95 95.17 95.13 98.34 98.30 101.52 101.48 104.69 104.65 107.87 107.83 111.04 111.00 114.22 114.18 114.22 114.15 117.39 117.33 120.57 120.50 123.74 123.68 126.92 126.85 130.09 130.03 133.27 133.20 136.44 136.38 139.62 139.55 142.79 142.73 145.97 145.90 149.14 149.08 152.32 152.25 158.67 158.60 165.02 164.95

85.73 85.77 88.90 88.95 92.08 92.12 95.25 95.30 98.43 98.47

101.60 101.65 104.78 104.82 107.95 108.00 111.13 111.17 114.30 114.35 114.33 114.37 117.50 117.55 120.68 120.72 123.85 123.90 127.03 127.07 130.20 130.25 133.38 133.42 136.55 136.60 139.73 139.77 142.90 142.95 146.08 146.12 149.25 149.30 152.43

*152.47 158.78 158.82 165.13 165.20

95.10 95.14 98.28 98.32

101.45 101.49 104.63 104.67 107.80 107.84 110.98 111.02 114.15 114.19 117.33 117.37 120.50 120.54 123.68 123.72 126.34 126.41 129.52 129.59 132.69 132.76 135.87 135.94 139.04 139.11 142.22 142.29 145.39 145.46 148.57 148.64 151.74 151.81 154.92 154.99 158.09 158.16 161.27 161.34 164.44 164.51 170.79 170.86 177.14 177.21

0.880.51

7.147.39

9.539.77

(unit: mm)MS

28775Callout

dimension



C A F B H E RG

without backup

ring

MS28775Callout

dimension



C A F B H E RG

without backup

ring

* NOK set up this value

21 21

GR

C0.13＋0.12 　0 C0.13＋0.12 　0

0°～5°

R

0°～5°

溝形状

GR

C0.13＋0.12 　0 C0.13＋0.12 　0

0°～5°

R

0°～5°

溝形状


Groove Groove

CφA

φ

Fφ

HφE

φ

Bφ

G

G

CφA

φ

Fφ

HφE

φ

BφG

G G

A－F E－B

または

2

2


or CφA

φ

Fφ

HφE

φ

Bφ

G

G

CφA

φ

Fφ

HφE

φ

BφG

G G

A－F E－B

または

2

2


or

82 83

22.Simplified Dimension Table(1) The relationship between the inside diameter and the O-Ring thicknessThe relationship between the inside diameter and the O-Ring thickness is shown as follows:

440

441

442

443

444

445

446

447

448

449

450

451

452

453

454

455

456

457

458

459

460

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

183.38 183.34 189.73 189.69 196.08 196.04 202.43 202.39 208.78 208.74 215.13 215.09 227.83 227.77 240.53 240.47 253.23 253.17 265.93 265.87 278.63 278.57 291.33 291.27 304.03 303.97 316.73 316.67 329.43 329.37 342.13 342.07 354.83 354.77 367.53 367.47 380.23 380.17 392.93 392.87 405.63 405.57

183.49 183.56 189.84 189.91 196.19 196.26 202.54 202.61 208.89 208.96 215.24 215.31 227.94 228.01 240.64 240.74 253.34 253.44 266.04 266.14 278.74 278.84 291.44 291.54 304.14 304.24 316.84 316.94 329.54 329.64 342.24 342.34 354.94 355.04 367.64 367.74 380.34 380.44 393.04 393.14 405.74 405.84

171.37 171.30 177.72 177.65 184.07 184.00 190.42 190.35 196.77 196.70 203.12 203.05 215.82 215.75 228.52 228.45 241.22 241.15 253.92 253.85 266.62 266.55 279.32 279.25 292.02 291.95 304.72 304.65 317.42 317.35 330.12 330.05 342.82 342.75 355.52 355.45 368.22 368.15 380.92 380.85 393.62 393.55

171.37 171.30 177.72 177.65 184.07 184.00 190.42 190.35 196.77 196.70 203.12 203.05 215.82 215.75 228.52 228.45 241.22 241.15 253.92 253.85 266.62 266.55 279.32 279.25 292.02 291.95 304.72 304.65 317.42 317.35 330.12 330.05 342.82 342.75 355.52 355.45 368.22 368.15 380.92 380.85 393.62 393.55

171.48 171.55 177.83 177.90 184.18 184.25 190.53 190.60 196.88 196.95 203.23 203.30 215.93 216.00 228.63 228.70 241.33 241.40 254.03 254.10 266.73 266.80 279.43 279.50 292.13 292.20 304.83 304.90 317.53 317.60 330.23 330.30 342.93 343.00 355.63 355.70 368.33 368.40 381.03 381.10 393.73 393.80

183.49 183.56 189.84 189.91 196.19 196.26 202.54 202.61 208.89 208.96 215.24 215.31 227.94 228.01 240.64 240.74 253.34 253.44 266.04 266.14 278.74 278.84 291.44 291.54 304.14 304.24 316.84 316.94 329.54 329.64 342.24 342.34 354.94 355.04 367.64 367.74 380.34 380.44 393.04 393.14 405.74 405.84

0.880.51

9.539.77

(unit: mm)MS

28775Callout

dimension



C A F B H E RG

without backup

ring

10.0

8.4

6.05.7

4.03.53.12.41.9

0

01.01.52.0

310152225

4850

145100

31.811.5 22 50 100

150

150

175300 400

4301055500

O-R

ing

thic

knes

s (m

m)

O-Ri

ng th

ickn

ess

(mm

)O-

Ring

thic

knes

s (m

m)

O-R

ing

thic

knes

s (m

m)

O-R

ing

thic

knes

s (m

m)

O-R

ing

thic

knes

s (m

m)

Callout inside diameter of O-Ring (mm)






JIS B 2401-1

0

1.9

3.53.12.4

335.5

7110 2522.4

50 100145150

S series

Thicknessφ3.5Thicknessφ3.1

Thicknessφ1.9Thicknessφ2.4

0

6.98

5.33

3.532.621.781.521.271.02

0 1.42 4.34 113.66 247.32 456.06 481.46494.161.24

1.071.78 10.46133.070.74

3.002.95

2.462.212.081.981.831.631.4200 4.7

6.77.648.9210.5211.8913.46

16.3617.9319.18

21.92 34.4237.46 59.36

SS series

P seriesV series

G series

NOK SNOK SS

Old JASO F404

AS568（001～475）

0

7.00

5.30

3.552.651.80

0 10917 38.7

200 400 67018 40141.8

ISO Equivalent(for static application)

AS568（901～932）

2122

GR

C0.13＋0.12 　0 C0.13＋0.12 　0

0°～5°

R

0°～5°

溝形状

Dynamic application Cylindrical static application Flat face static application

Groove

CφA

φ

Fφ

HφE

φ

Bφ

G

G

CφA

φ

Fφ

HφE

φ

BφG

G G

A－F E－B

または

2

2


or

8584

0.74 1.07 1.24 1.42 1.78 1.80 1.80 2.00 2.00 2.06 2.24 2.50 2.50 2.50 2.57 2.80 2.80 2.84 2.90 3.00 3.15 3.50 3.50 3.55 3.63 3.68 3.75 3.80 4.00 4.00 4.34 4.42 4.47 4.50 4.50 4.50 4.70 4.80 4.87 5.00 5.00 5.15 5.23 5.28 5.30 5.50 5.50 5.60 5.80 5.94 6.00 6.00 6.02 6.07 6.07 6.30 6.50 6.50 6.70 6.80 6.90 7.00 7.10 7.50 7.50 7.50 7.52 7.59 7.64 7.65

2.78 3.61 6.48 4.46 5.34 3.80 5.40 4.00 5.60 7.30 5.84 5.50 4.50 6.10 6.13 6.60 6.40 8.08 6.46 5.00 6.75 6.50 5.50 7.15 8.87 7.24 7.35 7.60 6.00 7.60 11.40 9.66 8.03 7.50 6.50 8.10 7.54 8.60 8.47 7.00 8.60 8.75 10.47 8.84 8.90 8.50 7.50 9.20 9.60 13.00 8.00 9.60 11.26 9.63 9.33 9.90 9.50 8.50 10.30 10.60 10.50 9.00 10.70 10.50 9.50 11.10 14.58 12.83 10.90 11.21

1.02 1.27 2.62 1.52 1.78 1.00 1.80 1.00 1.80 2.62 1.80 1.50 1.00 1.80 1.78 1.90 1.80 2.62 1.78 1.00 1.80 1.50 1.00 1.80 2.62 1.78 1.80 1.90 1.00 1.80 3.53 2.62 1.78 1.50 1.00 1.80 1.42 1.90 1.80 1.00 1.80 1.80 2.62 1.78 1.80 1.50 1.00 1.80 1.90 3.53 1.00 1.80 2.62 1.78 1.63 1.80 1.50 1.00 1.80 1.90 1.80 1.00 1.80 1.50 1.00 1.80 3.53 2.62 1.63 1.78

CO 8424CO 3387CO 8485CO 3388CO 5146CO 3325CO 7200CO 2956CO 7201CO 8464CO 7202CO 0500CO 3700CO 7203CO 3052CO 00000CO 7204CO 8465CO 0400CO 3835CO 7205CO 0501DO 1127CO 7206CO 8466CO 0401CO 7207CO 00001CO 7820CO 7208CO 8471CO 8467CO 0402CO 0502CO 3729CO 1012CO 5480CO 00002CO 7209CO 3370CO 7210CO 7211CO 6006CO 0403CO 7212CO 0503CO 3765CO 6868CO 00003CO 8472CO 3216CO 3026CO 8468CO 0404CO 3091CO 7213CO 0504CO 8846CO 7038CO 00004CO 7214CO 5497CO 7215CO 0505CO 4275CO 7216CO 4527CO 3084CO 7600CO 0405

AS568AS568AS568AS568AS568

SSISOSSISO

AS568ISO

SSSISO

AS568P

ISOAS568AS568

SSISO

SSSISO

AS568AS568

ISOP

SSISO

AS568AS568AS568

SSSISO

AS568P

ISOSSISOISO

AS568AS568

ISOS

SSISO

PAS568

SSISO

AS568AS568AS568

ISOS

SSISO

PISOSSISO

SSSISO

AS568AS568AS568AS568

38383938383654365439543436543822543938365434365439385422365440393834365445225436545439385434365422403654393845543436542254365434365440394538

Inside diameter d0

Outside diameter D

ThicknessW Dimension code Conformed to Page

7.80 8.00 8.00 8.50 8.50 8.50 8.75 8.80 8.92 9.00 9.00 9.12 9.19 9.25 9.50 9.50 9.50 9.80 9.80 10.00 10.00 10.46 10.50 10.52 10.60 10.69 10.70 10.77 10.80 10.82 11.00 11.00 11.00 11.20 11.50 11.50 11.80 11.80 11.89 12.00 12.06 12.29 12.30 12.30 12.37 12.42 12.50 13.00 13.00 13.20 13.46 13.50 13.64 13.80 13.80 13.87 13.94 14.00 14.00 14.00 14.50 14.50 14.80 14.80 15.00 15.00 15.24 15.47 15.50 15.54

11.60 10.00 11.60 11.50 10.50 12.10 12.35 12.60 12.58 11.00 12.60 16.18 14.43 12.81 12.50 11.50 13.10 13.60 14.60 12.00 13.60 21.12 12.50 14.18 14.20 17.75 13.70 16.01 15.60 14.38 15.80 13.00 14.80 14.80 14.50 13.50 16.60 15.40 15.85 15.00 22.72 19.35 17.10 16.10 17.61 15.98 16.10 16.80 17.80 16.80 17.62 16.50 24.30 18.60 17.60 20.93 19.18 17.56 17.60 19.30 17.50 22.50 19.60 18.60 18.60 20.30 25.90 22.53 18.50 20.78

1.90 1.00 1.80 1.50 1.00 1.80 1.80 1.90 1.83 1.00 1.80 3.53 2.62 1.78 1.50 1.00 1.80 1.90 2.40 1.00 1.80 5.33 1.00 1.83 1.80 3.53 1.50 2.62 2.40 1.78 2.40 1.00 1.90 1.80 1.50 1.00 2.40 1.80 1.98 1.50 5.33 3.53 2.40 1.90 2.62 1.78 1.80 1.90 2.40 1.80 2.08 1.50 5.33 2.40 1.90 3.53 2.62 1.78 1.80 2.65 1.50 4.00 2.40 1.90 1.80 2.65 5.33 3.53 1.50 2.62

CO 00005CO 7044CO 7217CO 0506CO 4945CO 7218CO 7219CO 00006CO 3597CO 7949CO 1061CO 7048CO 0406CO 0407CO 0507CO 8847CO 7221CO 00007CO 00008CO 8848CO 7222CO 8486CO 8849CO 1087CO 7223CO 7049CO 0508CO 0408CO 00009CO 3174CO 00010CO 5952CO 0600CO 7224CO 0509CO 8850CO 00011CO 1109CO 3604CO 0510CO 8487CO 8460CO 00012CO 0601CO 0409CO 1119CO 7225CO 0602CO 0603CO 7226CO 8804CO 0511CO 8488CO 00013CO 0604CO 7059CO 0410CO 1140CO 3441CO 7228CO 0512CO 00300CO 00014CO 0605CO 6822CO 7229CO 4082CO 5250CO 0513CO 0411

PSSISO

SSSISOISO

PAS568

SSISO

AS568AS568AS568

SSSISO

PP

SSISO

AS568SS

AS568ISO

AS568S

AS568P

AS568P

SSJASOISO

SSSP

ISOAS568

SAS568AS568

PJASOAS568AS568

ISOJASOJASOISO

AS568S

AS568P

JASOAS568AS568AS568

ISOISO

SVP

JASOISOISO

AS568AS568

SAS568

22365434365454224536544039383436542222365442364554403439223822364654343622544534424022463938544648544534422246403938545434372246545442403439

(2) Simplified Dimension Table (Table of inside diameter order)

*Written as following in the table above: ・Old JASO→JASO　・ISO Equivalent→ ISO

2222

15.60 15.80 15.80 16.00 16.00 16.36 16.80 16.80 16.81 17.00 17.00 17.04 17.12 17.17 17.50 17.80 17.80 17.93 18.00 18.00 18.42 18.64 18.72 18.77 18.80 18.80 19.00 19.00 19.18 19.50 19.80 19.80 19.99 20.00 20.00 20.22 20.29 20.35 20.80 21.00 21.20 21.20 21.50 21.59 21.70 21.80 21.82 21.89 21.90 21.92 21.95 22.10 22.10 22.10 22.40 22.40 23.16 23.30 23.30 23.39 23.46 23.47 23.50 23.50 23.52 23.60 23.60 23.70 24.40 24.50

19.16 20.60 19.60 19.60 21.30 20.78 21.60 20.60 27.47 20.60 22.30 24.10 22.36 20.73 20.50 22.60 21.60 22.85 23.30 25.10 29.08 25.70 23.96 22.33 22.60 23.60 24.30 26.10 24.10 22.50 24.60 23.60 30.65 25.30 27.10 27.28 25.53 23.91 25.60 24.80 26.50 28.30 24.50 32.25 28.70 26.60 28.88 27.13 25.90 27.82 25.51 25.90 29.10 26.90 27.70 29.50 33.82 27.10 28.10 30.45 28.70 29.37 27.50 31.50 27.08 28.90 30.70 30.70 30.60 28.50

1.78 2.40 1.90 1.80 2.65 2.21 2.40 1.90 5.33 1.80 2.65 3.53 2.62 1.78 1.50 2.40 1.90 2.46 2.65 3.55 5.33 3.53 2.62 1.78 1.90 2.40 2.65 3.55 2.46 1.50 2.40 1.90 5.33 2.65 3.55 3.53 2.62 1.78 2.40 1.90 2.65 3.55 1.50 5.33 3.50 2.40 3.53 2.62 2.00 2.95 1.78 1.90 3.50 2.40 2.65 3.55 5.33 1.90 2.40 3.53 2.62 2.95 2.00 4.00 1.78 2.65 3.55 3.50 3.10 2.00


AS568P

JASOISOISO

AS568JASOJASOAS568

ISOISO

AS568AS568AS568

SP

JASOAS568

ISOISO

AS568AS568AS568AS568JASOJASOISOISO

AS568SP

JASOAS568

ISOISO

AS568AS568AS568

PJASOISOISO

SAS568

PP

AS568AS568

SAS568AS568JASO

PJASOISOISO

AS568JASOJASOAS568AS568AS568

SV

AS568ISOISO

PGS

38224654544548464254544039383422464554544240393846485454453422464254544039382246545434422222403934453846224854544246484039453437385454223034

24.70 24.70 24.70 24.76 24.99 25.00 25.00 25.04 25.07 25.12 25.20 25.50 25.70 25.80 25.80 26.20 26.20 26.34 26.50 26.50 26.57 26.59 26.64 26.70 27.50 27.70 27.70 27.70 27.94 28.00 28.00 28.17 28.24 28.30 28.50 28.70 29.20 29.40 29.50 29.51 29.70 29.70 29.70 29.74 29.74 29.82 29.87 30.00 30.00 30.70 31.00 31.12 31.20 31.20 31.20 31.34 31.42 31.47 31.50 31.50 31.50 31.70 32.50 32.50 32.69 32.92 32.99 33.05 33.20 33.20

31.70 29.50 28.50 35.42 32.05 30.30 32.10 30.94 30.31 28.68 32.20 29.50 32.70 31.10 32.90 31.00 30.00 37.00 31.80 33.60 33.63 32.49 31.88 30.26 31.50 34.70 31.50 32.50 38.60 33.30 35.10 35.23 33.48 31.86 32.50 35.70 36.20 35.60 33.50 40.17 36.70 33.50 34.50 36.80 35.64 35.06 33.43 35.30 37.10 37.70 35.00 41.78 36.00 35.00 38.20 38.40 36.66 35.03 35.50 36.80 38.60 38.70 37.80 39.60 43.35 39.98 38.23 36.61 38.00 37.00

3.50 2.40 1.90 5.33 3.53 2.65 3.55 2.95 2.62 1.78 3.50 2.00 3.50 2.65 3.55 2.40 1.90 5.33 2.65 3.55 3.53 2.95 2.62 1.78 2.00 3.50 1.90 2.40 5.33 2.65 3.55 3.53 2.62 1.78 2.00 3.50 3.50 3.10 2.00 5.33 3.50 1.90 2.40 3.53 2.95 2.62 1.78 2.65 3.55 3.50 2.00 5.33 2.40 1.90 3.50 3.53 2.62 1.78 2.00 2.65 3.55 3.50 2.65 3.55 5.33 3.53 2.62 1.78 2.40 1.90


PJASOJASOAS568AS568

ISOISO

AS568AS568AS568

PSP

ISOISO

JASOJASOAS568

ISOISO


SP

JASOJASOAS568

ISOISO

AS568AS568AS568

SPPGS

AS568P

JASOJASOAS568AS568AS568AS568

ISOISO

PS

AS568JASOJASO

PAS568AS568AS568

SISOISO

PISOISO

AS568AS568AS568AS568JASOJASO

22484642415454453938223422545448464254544145393834224648425454413938342222303442224648414539385454223442484622413938345454225454424139384846


Inside diameter d0

Outside diameter D

ThicknessW Dimension code Conformed to Page Inside

diameter d0Outside

diameter DThickness

W Dimension code Conformed to Page Inside diameter d0

Outside diameter D

ThicknessW Dimension code Conformed to Page

New tooling may be necessary in the case of sizes or materials, even for O-Ring dimension shown in this table. Please see the page number shown for details.

8786

33.50 33.50 33.50 33.50 33.70 34.29 34.40 34.42 34.50 34.50 34.50 34.52 34.59 34.65 34.70 35.00 35.20 35.20 35.20 35.50 35.50 35.50 35.70 36.09 36.17 36.50 36.50 37.20 37.46 37.46 37.50 37.50 37.50 37.69 37.70 37.77 37.82 38.50 38.70 38.70 38.70 39.34 39.40 39.50 39.50 39.70 39.70 40.00 40.00 40.64 40.70 40.87 40.94 41.00 41.20 41.20 41.50 41.70 42.20 42.50 42.50 42.52 43.50 43.69 43.70 43.70 43.70 43.82 44.04 44.12

37.50 41.50 38.80 40.60 40.70 44.95 40.60 40.32 38.50 39.80 41.60 41.58 39.83 38.21 41.70 39.00 42.20 39.00 40.00 39.50 40.80 42.60 42.70 43.15 41.41 41.80 43.60 42.00 48.12 43.46 41.50 42.80 44.60 44.75 44.70 43.01 41.38 42.50 45.70 44.00 45.80 44.58 45.60 43.50 47.50 46.70 44.50 47.10 50.60 51.30 47.70 47.93 46.18 44.56 48.30 51.80 45.50 48.70 47.00 49.60 53.10 47.76 47.50 49.69 50.70 50.80 54.30 54.48 51.10 49.36

2.00 4.00 2.65 3.55 3.50 5.33 3.10 2.95 2.00 2.65 3.55 3.53 2.62 1.78 3.50 2.00 3.50 1.90 2.40 2.00 2.65 3.55 3.50 3.53 2.62 2.65 3.55 2.40 5.33 3.00 2.00 2.65 3.55 3.53 3.50 2.62 1.78 2.00 3.50 2.65 3.55 2.62 3.10 2.00 4.00 3.50 2.40 3.55 5.30 5.33 3.50 3.53 2.62 1.78 3.55 5.30 2.00 3.50 2.40 3.55 5.30 2.62 2.00 3.00 3.50 3.55 5.30 5.33 3.53 2.62


SV

ISOISO

PAS568

GAS568

SISOISO

AS568AS568AS568

PSP

JASOJASO

SISOISO

PAS568AS568

ISOISO

JASOAS568AS568

SISOISO

AS568P

AS568AS568

SP

ISOISO

AS568GSVP

JASOISOISO

AS568P

AS568AS568AS568

ISOISO

SP

JASOISOISO

AS568S

AS568P

ISOISO

AS568AS568AS568

34375454224230453454544139382234224648345454224139545448424534545441223938342254543930343722485455422241393854553422485455393545225455424139

44.17 44.40 44.50 44.70 44.70 45.00 45.00 45.50 45.69 45.70 46.20 46.20 46.99 47.20 47.22 47.29 47.35 47.50 47.50 47.50 47.60 47.70 48.70 48.70 48.70 48.90 49.40 49.50 49.60 49.70 49.70 50.00 50.00 50.16 50.39 50.47 50.52 51.50 51.50 51.60 52.07 52.50 52.60 52.60 52.60 53.00 53.00 53.09 53.34 53.57 53.64 53.70 54.40 54.50 54.50 54.50 54.50 54.60 55.24 55.50 55.60 55.60 55.60 56.00 56.00 56.52 56.74 56.82 56.87 57.60

47.73 50.60 48.50 49.50 51.70 52.10 55.60 49.50 50.93 52.70 53.30 56.80 57.65 52.00 54.28 52.53 50.91 51.50 54.60 58.10 59.00 54.70 55.70 55.80 59.30 54.14 55.60 53.50 61.00 56.70 54.50 57.10 60.60 60.82 57.45 55.71 54.08 58.60 62.10 63.00 57.31 56.50 59.60 64.00 57.40 60.10 63.60 59.09 64.00 60.63 58.88 57.26 60.60 58.50 62.50 61.60 65.10 66.00 60.48 59.50 60.40 67.00 62.60 63.10 66.60 67.18 63.80 62.06 60.43 69.00

1.78 3.10 2.00 2.40 3.50 3.55 5.30 2.00 2.62 3.50 3.55 5.30 5.33 2.40 3.53 2.62 1.78 2.00 3.55 5.30 5.70 3.50 3.50 3.55 5.30 2.62 3.10 2.00 5.70 3.50 2.40 3.55 5.30 5.33 3.53 2.62 1.78 3.55 5.30 5.70 2.62 2.00 3.50 5.70 2.40 3.55 5.30 3.00 5.33 3.53 2.62 1.78 3.10 2.00 4.00 3.55 5.30 5.70 2.62 2.00 2.40 5.70 3.50 3.55 5.30 5.33 3.53 2.62 1.78 5.70


AS568GS

JASOP

ISOISO

SAS568

PISOISO

AS568JASOAS568AS568AS568

SISOISO

PPP

ISOISO

AS568GSPP

JASOISOISO


ISOISO

PAS568

SJASO

PJASOISOISO


GSV

ISOISO

PAS568

SJASO

PJASOISOISO


P

38303548225455353922545542484139383554552422245455393035242448545542413938545524393552244854554542413938303537545524393548245254554241393824


58.00 58.00 58.42 59.36 59.40 59.50 59.60 59.60 59.60 59.69 59.92 59.99 60.00 60.00 60.05 61.50 61.50 61.59 61.60 62.50 62.60 62.60 62.60 62.86 63.00 63.00 63.09 63.17 63.22 64.40 64.50 64.60 64.77 65.00 65.00 66.04 66.27 66.34 66.40 66.50 66.60 66.60 66.60 67.00 67.00 67.94 69.00 69.00 69.00 69.22 69.40 69.44 69.50 69.52 69.57 69.60 70.50 70.60 70.60 70.60 71.00 71.00 71.12 72.39 72.62 72.69 72.75 73.00 73.00 74.40

65.10 68.60 63.66 65.36 65.60 63.50 71.00 64.40 66.60 70.35 66.98 65.23 67.10 70.60 63.61 68.60 72.10 66.83 73.00 66.50 67.40 74.00 69.60 73.52 70.10 73.60 70.15 68.41 66.78 70.60 68.50 76.00 70.01 72.10 75.60 76.70 73.33 71.58 69.96 70.50 71.40 78.00 73.60 74.10 77.60 73.18 77.00 76.10 79.60 79.88 75.60 76.50 73.50 74.76 73.13 81.00 74.50 77.60 75.40 82.00 78.10 81.60 76.36 83.05 79.68 77.93 76.31 80.10 83.60 80.60

3.55 5.30 2.62 3.00 3.10 2.00 5.70 2.40 3.50 5.33 3.53 2.62 3.55 5.30 1.78 3.55 5.30 2.62 5.70 2.00 2.40 5.70 3.50 5.33 3.55 5.30 3.53 2.62 1.78 3.10 2.00 5.70 2.62 3.55 5.30 5.33 3.53 2.62 1.78 2.00 2.40 5.70 3.50 3.55 5.30 2.62 4.00 3.55 5.30 5.33 3.10 3.53 2.00 2.62 1.78 5.70 2.00 3.50 2.40 5.70 3.55 5.30 2.62 5.33 3.53 2.62 1.78 3.55 5.30 3.10


ISOISO

AS568AS568

GSP

JASOJASOAS568AS568AS568

ISOISO

AS568ISOISO

AS568PS

JASOP

JASOAS568

ISOISO

AS568AS568AS568

GSP

AS568ISOISO


SJASO

PJASOISOISO

AS568V

ISOISO

AS568G

AS568S

AS568AS568

PS

JASOJASO

PISOISO


ISOISOG

545539453035244852434139545538545539243548245243545541393830352440545543414038354824525455403754554330 41354038 243552482454554043414038545530

74.50 74.60 74.60 75.00 75.00 75.56 75.79 75.87 75.92 77.50 77.50 78.74 78.97 79.40 79.50 79.60 79.60 80.00 80.00 81.92 82.14 82.22 82.27 82.50 82.50 84.00 84.40 84.50 84.60 84.60 85.00 85.00 85.09 85.32 87.50 87.50 88.26 88.49 88.57 88.62 89.40 89.50 89.60 89.60 90.00 90.00 91.44 91.67 92.50 92.50 94.40 94.50 94.60 94.60 94.62 94.84 94.92 94.97 95.00 95.00 97.50 97.50 97.79 98.02 99.00 99.40 99.50 99.60 99.60 100.00

78.50 86.00 81.60 82.10 85.60 86.22 82.85 81.11 79.48 84.60 88.10 89.40 86.03 85.60 83.50 91.00 86.60 87.10 90.60 92.58 89.20 87.46 85.83 89.60 93.10 92.00 90.60 88.50 91.60 96.00 92.10 95.60 95.75 92.38 94.60 98.10 98.92 95.55 93.81 92.18 95.60 93.50 101.00 96.60 97.10 100.60 102.10 98.73 99.60 103.10 100.60 98.50 106.00 101.60 105.28 101.90 100.16 98.53 102.10 105.60 104.60 108.10 108.45 105.08 107.00 105.60 103.50 111.00 106.60 107.10

2.00 5.70 3.50 3.55 5.30 5.33 3.53 2.62 1.78 3.55 5.30 5.33 3.53 3.10 2.00 5.70 3.50 3.55 5.30 5.33 3.53 2.62 1.78 3.55 5.30 4.00 3.10 2.00 3.50 5.70 3.55 5.30 5.33 3.53 3.55 5.30 5.33 3.53 2.62 1.78 3.10 2.00 5.70 3.50 3.55 5.30 5.33 3.53 3.55 5.30 3.10 2.00 5.70 3.50 5.33 3.53 2.62 1.78 3.55 5.30 3.55 5.30 5.33 3.53 4.00 3.10 2.00 5.70 3.50 3.55


SP

JASOISOISO


ISOISO

AS568AS568

GSP

JASOISOISO


ISOISO

VGS

JASOP

ISOISO

AS568AS568

ISOISO


GSP

JASOISOISO

AS568AS568

ISOISOGSP

JASOAS568AS568AS568AS568

ISOISOISOISO

AS568AS568

VGSP

JASOISO

35245255554341403855554341303524525555434140385555373035522455554341555543414038303524525555434155553035245243414038555555554341373035245255


2222

Inside diameter d0

Outside diameter D


diameter d0Outside

diameter DThickness


Outside diameter D


diameter d0Outside

diameter DThickness

W Dimension code Conformed to Page


8988

100.00 100.96 101.19 101.27 101.32 101.60 103.00 103.00 104.14 104.37 104.40 104.50 104.60 105.60 106.00 106.00 107.32 107.54 107.62 107.67 109.00 109.00 109.00 109.40 109.50 109.60 110.49 110.72 111.50 111.60 111.60 112.00 112.00 112.00 113.66 113.66 113.89 113.97 114.02 114.40 114.50 114.60 115.00 115.00 115.00 116.84 116.84 117.07 117.60 118.00 118.00 118.00 119.00 119.40 119.50 119.60 120.02 120.02 120.24 120.32 120.37 122.00 122.00 122.00 123.19 123.19 123.42 124.40 124.50 124.60

110.60 111.62 108.25 106.51 104.88 113.00 110.10 113.60 114.80 111.43 110.60 108.50 116.00 112.60 113.10 116.60 117.98 114.60 112.86 111.23 116.10 119.60 123.00 115.60 113.50 121.00 121.15 117.78 115.50 123.00 118.60 119.10 122.60 126.00 124.32 127.62 120.95 119.21 117.58 120.60 118.50 126.00 122.10 125.60 129.00 127.50 130.80 124.13 124.60 125.10 128.60 132.00 127.00 125.60 123.50 131.00 130.68 133.98 127.30 125.56 123.93 129.10 132.60 136.00 133.85 137.15 130.48 130.60 128.50 136.00

5.30 5.33 3.53 2.62 1.78 5.70 3.55 5.30 5.33 3.53 3.10 2.00 5.70 3.50 3.55 5.30 5.33 3.53 2.62 1.78 3.55 5.30 7.00 3.10 2.00 5.70 5.33 3.53 2.00 5.70 3.50 3.55 5.30 7.00 5.33 6.98 3.53 2.62 1.78 3.10 2.00 5.70 3.55 5.30 7.00 5.33 6.98 3.53 3.50 3.55 5.30 7.00 4.00 3.10 2.00 5.70 5.33 6.98 3.53 2.62 1.78 3.55 5.30 7.00 5.33 6.98 3.53 3.10 2.00 5.70


ISOAS568AS568AS568AS568

PISOISO

AS568AS568

GSP

JASOISOISO


ISOISOISOGSP

AS568AS568

SP

JASOISOISOISO


GSP

ISOISOISO

AS568AS568AS568JASOISOISOISO

VGSP


ISOISOISO

AS568AS568AS568

GSP

55434140382455554341303524525555434140385555563035244341352452555556434441403830352455555643444152555556373035244344414039555556434441303524

124.60 125.00 125.00 125.00 126.36 126.36 126.59 126.67 126.72 128.00 128.00 128.00 129.40 129.50 129.54 129.54 129.60 129.77 131.50 131.60 131.60 132.00 132.00 132.00 132.72 132.72 132.94 133.02 133.07 134.40 134.50 134.60 135.89 135.89 136.00 136.00 136.00 136.12 139.06 139.07 139.29 139.37 139.40 139.50 139.60 139.60 140.00 140.00 140.00 142.24 142.24 142.47 144.40 144.50 144.60 145.00 145.00 145.00 145.42 145.42 145.64 145.72 148.50 148.59 148.59 148.82 149.30 149.50 149.50 149.60

131.60 132.10 135.60 139.00 137.02 140.32 133.65 131.91 130.28 135.10 138.60 142.00 135.60 133.50 140.20 143.50 141.00 136.83 135.50 143.00 138.60 139.10 142.60 146.00 143.38 146.68 140.00 138.26 136.63 140.60 138.50 146.00 146.55 149.85 143.10 146.60 150.00 143.18 153.02 149.73 146.35 144.61 145.60 143.50 151.00 146.60 147.10 150.60 154.00 152.90 156.20 149.53 150.60 148.50 156.00 152.10 155.60 159.00 156.08 159.38 152.70 150.96 156.50 159.25 162.55 155.88 160.70 153.50 166.30 156.60

3.50 3.55 5.30 7.00 5.33 6.98 3.53 2.62 1.78 3.55 5.30 7.00 3.10 2.00 5.33 6.98 5.70 3.53 2.00 5.70 3.50 3.55 5.30 7.00 5.33 6.98 3.53 2.62 1.78 3.10 2.00 5.70 5.33 6.98 3.55 5.30 7.00 3.53 6.98 5.33 3.53 2.62 3.10 2.00 5.70 3.50 3.55 5.30 7.00 5.33 6.98 3.53 3.10 2.00 5.70 3.55 5.30 7.00 5.33 6.98 3.53 2.62 4.00 5.33 6.98 3.53 5.70 2.00 8.40 3.50


JASOISOISOISO


ISOISOISOGS

AS568AS568

PAS568

SP

JASOISOISOISO


GSP

AS568AS568

ISOISOISO


GSP

JASOISOISOISO

AS568AS568AS568

GSP

ISOISOISO


VAS568AS568AS568

GSP

JASO

52555556434441403955555630354344244135245255555643444140393035244344555556414443414030352452555556434441303524555556434441403743444130352452


149.60 150.00 150.00 150.00 151.76 151.77 151.99 152.07 154.30 154.50 155.00 155.00 155.00 158.12 158.12 158.34 158.42 159.30 159.50 160.00 160.00 160.00 164.30 164.46 164.47 164.50 164.69 164.77 165.00 165.00 165.00 169.30 169.50 170.00 170.00 170.00 170.82 170.82 171.04 171.12 173.00 174.30 174.50 175.00 175.00 175.00 177.16 177.17 177.39 177.47 179.30 179.50 180.00 180.00 180.00 183.52 183.52 183.74 183.82 184.30 184.50 185.00 185.00 185.00 189.30 189.50 189.86 189.86 190.00 190.00

161.00 157.10 160.60 164.00 165.72 162.43 159.05 157.31 165.70 171.30 162.10 165.60 169.00 168.78 172.08 165.40 163.66 170.70 176.30 167.10 170.60 174.00 175.70 178.42 175.13 181.30 171.75 170.01 172.10 175.60 179.00 180.70 186.30 177.10 180.60 184.00 181.48 184.78 178.10 176.36 181.00 185.70 191.30 182.10 185.60 189.00 191.12 187.83 184.45 182.71 190.70 196.30 187.10 190.60 194.00 194.18 197.48 190.80 189.06 195.70 201.30 192.10 195.60 199.00 200.70 206.30 200.52 203.82 197.10 200.60

5.70 3.55 5.30 7.00 6.98 5.33 3.53 2.62 5.70 8.40 3.55 5.30 7.00 5.33 6.98 3.53 2.62 5.70 8.40 3.55 5.30 7.00 5.70 6.98 5.33 8.40 3.53 2.62 3.55 5.30 7.00 5.70 8.40 3.55 5.30 7.00 5.33 6.98 3.53 2.62 4.00 5.70 8.40 3.55 5.30 7.00 6.98 5.33 3.53 2.62 5.70 8.40 3.55 5.30 7.00 5.33 6.98 3.53 2.62 5.70 8.40 3.55 5.30 7.00 5.70 8.40 5.33 6.98 3.55 5.30


PISOISOISO


GP

ISOISOISO


GP

ISOISOISOG

AS568AS568

PAS568AS568

ISOISOISOGP

ISOISOISO


VGP

ISOISOISO


GP

ISOISOISO


GP

ISOISOISOGP

AS568AS568

ISOISO

24555556444341403024555556434441403024555556304443244140555556302455555643444140373024555556444342403024555556434442403024555556302443445555

190.00 190.09 190.17 194.30 194.50 195.00 195.00 195.00 196.22 196.22 196.44 196.52 199.30 199.50 200.00 200.00 200.00 202.56 202.57 202.79 202.87 204.30 204.50 206.00 206.00 208.50 208.92 209.14 209.22 209.30 209.50 212.00 212.00 214.30 214.50 215.26 215.27 215.49 215.57 218.00 218.00 219.30 219.50 221.62 221.84 221.92 222.50 224.00 224.00 224.30 224.50 227.96 227.97 228.19 228.27 229.30 229.50 230.00 230.00 234.30 234.32 234.50 234.54 234.62 236.00 236.00 239.30 239.50 240.66 240.67

204.00 197.15 195.41 205.70 211.30 202.10 205.60 209.00 206.88 210.18 203.50 201.76 210.70 216.30 207.10 210.60 214.00 216.52 213.23 209.85 208.11 215.70 221.30 216.60 220.00 225.30 219.58 216.20 214.46 220.70 226.30 222.60 226.00 225.70 231.30 229.22 225.93 222.55 220.81 228.60 232.00 230.70 236.30 232.28 228.90 227.16 234.50 234.60 238.00 235.70 241.30 241.92 238.63 235.25 233.51 240.70 246.30 240.60 244.00 245.70 244.98 251.30 241.60 239.86 246.60 250.00 250.70 256.30 254.62 251.33

7.00 3.53 2.62 5.70 8.40 3.55 5.30 7.00 5.33 6.98 3.53 2.62 5.70 8.40 3.55 5.30 7.00 6.98 5.33 3.53 2.62 5.70 8.40 5.30 7.00 8.40 5.33 3.53 2.62 5.70 8.40 5.30 7.00 5.70 8.40 6.98 5.33 3.53 2.62 5.30 7.00 5.70 8.40 5.33 3.53 2.62 6.00 5.30 7.00 5.70 8.40 6.98 5.33 3.53 2.62 5.70 8.40 5.30 7.00 5.70 5.33 8.40 3.53 2.62 5.30 7.00 5.70 8.40 6.98 5.33

CO 7426CO 1931CO 8470CO 00234CO 00090CO 7325CO 7381CO 7427CO 1945CO 0470CO 1946CO 5303CO 00235CO 00091CO 7326CO 7382CO 7428CO 0471CO 7789CO 1959CO 7775CO 01968CO 00092CO 7383CO 7429CO 00093CO 7790CO 1979CO 5270CO 00236CO 00094CO 7384CO 7430CO 03303CO 00095CO 0472CO 6492CO 1990CO 7776CO 7385CO 7431CO 00237CO 00096CO 7791CO 2001CO 8187CO 00311CO 7386CO 7432CO 02011CO 00097CO 0473CO 7792CO 2018CO 8534CO 00238CO 00098CO 7387CO 7433CO 02031CO 7793CO 00099CO 2032DO 1122CO 7388CO 7434CO 00239CO 00100CO 0474CO 8801

ISOAS568AS568

GP

ISOISOISO


GP

ISOISOISO


GP

ISOISO

PAS568AS568AS568

GP

ISOISOGP


ISOISOGP

AS568AS568AS568

VISOISOGP


GP

ISOISOG

AS568P

AS568AS568

ISOISOGP

AS568AS568

56424030245555564344424030245555564443424030265556264342403026555630264443424055563026434240375556302644434240302655563043264240555630264443


2222

Inside diameter d0

Outside diameter D


diameter d0Outside

diameter DThickness


Outside diameter D


diameter d0Outside

diameter DThickness

W Dimension code Conformed to Page


9190

240.89 240.97 243.00 243.00 244.30 244.50 247.02 247.24 247.32 249.30 249.50 250.00 250.00 253.36 253.37 253.59 254.30 254.50 258.00 258.00 259.30 259.50 264.30 264.50 265.00 265.00 266.06 266.07 266.29 269.30 269.50 272.00 272.00 272.00 274.30 274.50 278.76 278.77 278.99 279.30 279.50 280.00 280.00 284.30 284.50 289.30 289.50 290.00 290.00 291.46 291.47 291.69 294.30 294.50 299.30 299.50 300.00 300.00 304.16 304.17 304.30 304.39 304.50 307.00 307.00 309.30 309.50 314.50 315.00 315.00

247.95 246.21 253.60 257.00 255.70 261.30 257.68 254.30 252.56 260.70 266.30 260.60 264.00 267.32 264.03 260.65 265.70 271.30 268.60 272.00 270.70 276.30 275.70 281.30 275.60 279.00 280.02 276.73 273.35 280.70 286.30 284.00 282.60 286.00 285.70 291.30 292.72 289.43 286.05 290.70 296.30 290.60 294.00 295.70 301.30 300.70 306.30 300.60 304.00 305.42 302.13 298.75 305.70 311.30 310.70 316.30 310.60 314.00 318.12 314.83 315.70 311.45 321.30 317.60 321.00 320.70 326.30 331.30 325.60 329.00

3.53 2.62 5.30 7.00 5.70 8.40 5.33 3.53 2.62 5.70 8.40 5.30 7.00 6.98 5.33 3.53 5.70 8.40 5.30 7.00 5.70 8.40 5.70 8.40 5.30 7.00 6.98 5.33 3.53 5.70 8.40 6.00 5.30 7.00 5.70 8.40 6.98 5.33 3.53 5.70 8.40 5.30 7.00 5.70 8.40 5.70 8.40 5.30 7.00 6.98 5.33 3.53 5.70 8.40 5.70 8.40 5.30 7.00 6.98 5.33 5.70 3.53 8.40 5.30 7.00 5.70 8.40 8.40 5.30 7.00

CO 2050DO 1123CO 7389CO 7435CO 02060CO 00101CO 8803CO 2064DO 1124CO 00240CO 00102CO 7390CO 7436CO 0475CO 7794CO 3415CO 02079CO 00103CO 7391CO 7437CO 00241CO 00104CO 06543CO 00105CO 7392CO 7438CO 0476CO 4905CO 5748CO 00242CO 00106CO 00312CO 7393CO 7439CO 02100CO 00107CO 0477CO 7795CO 5393CO 00243CO 00108CO 7394CO 7440CO 03210CO 00109CO 00244CO 00110CO 7395CO 7441CO 0478CO 8851CO 2132CO 06566CO 00111CO 00245CO 00112CO 7396CO 7442CO 0479CO 4906DO 01137CO 4602CO 02147CO 7397CO 7443CO 02158CO 08835CO 00113CO 7398CO 7444

AS568AS568

ISOISOGP

AS568AS568AS568

GP

ISOISO

AS568AS568AS568

GP

ISOISOGPGP

ISOISO

AS568AS568AS568

GPV

ISOISOGP

AS568AS568AS568

GP

ISOISOGPGP

ISOISO

AS568AS568AS568

GPGP

ISOISO

AS568AS568

GAS568

PISOISOGPP

ISOISO

42405556302643424030265556444342302656563026322656564443423226375656322644434232265656322632265656444442322632265656444432422656563226265656

316.86 319.30 319.50 321.50 324.50 325.00 325.00 329.30 329.50 329.56 329.57 329.79 334.30 334.50 335.00 335.00 339.30 339.50 342.26 344.30 344.50 345.00 345.00 349.30 349.50 354.30 354.50 354.96 354.97 355.00 355.00 355.19 359.30 359.50 364.50 365.00 365.00 367.66 369.50 374.30 374.50 375.00 375.00 376.00 379.30 379.50 380.36 380.37 380.59 384.30 384.50 387.00 387.00 389.30 389.50 393.06 394.30 394.50 399.30 399.50 400.00 400.00 404.30 404.50 405.26 405.26 405.26 409.30 409.50 412.00

330.82 330.70 336.30 333.50 341.30 335.60 339.00 340.70 346.30 343.52 340.23 336.85 345.70 351.30 345.60 349.00 350.70 356.30 356.22 355.70 361.30 355.60 359.00 360.70 366.30 365.70 371.30 368.92 365.63 365.60 369.00 362.25 370.70 376.30 381.30 375.60 379.00 381.62 386.30 385.70 391.30 385.60 389.00 388.00 390.70 396.30 394.32 391.03 387.65 395.70 401.30 397.60 401.00 400.70 406.30 407.02 405.70 411.30 410.70 416.30 410.60 414.00 415.70 421.30 412.32 415.92 419.22 420.70 426.30 426.00

6.98 5.70 8.40 6.00 8.40 5.30 7.00 5.70 8.40 6.98 5.33 3.53 5.70 8.40 5.30 7.00 5.70 8.40 6.98 5.70 8.40 5.30 7.00 5.70 8.40 5.70 8.40 6.98 5.33 5.30 7.00 3.53 5.70 8.40 8.40 5.30 7.00 6.98 8.40 5.70 8.40 5.30 7.00 6.00 5.70 8.40 6.98 5.33 3.53 5.70 8.40 5.30 7.00 5.70 8.40 6.98 5.70 8.40 5.70 8.40 5.30 7.00 5.70 8.40 3.53 5.33 6.98 5.70 8.40 7.00


AS568GPVP

ISOISOGP

AS568AS568AS568

GP

ISOISOGP

AS568GP

ISOISOGPGP

AS568AS568

ISOISO

AS568GPP

ISOISO

AS568PGP

ISOISO

VGP

AS568AS568AS568

GP

ISOISOGP

AS568GPGP

ISOISOGP

AS568AS568AS568

GP

ISO

44322637265656322644444232265656322644322656563226322644445656423226265656442632265656373226444442322656563226443226322656563226424444322656


414.30 414.50 417.96 419.30 419.50 424.30 424.50 425.00 425.50 429.30 429.50 430.66 430.66 430.66 434.30 434.50 437.00 439.30 439.50 443.36 444.30 444.50 449.30 449.50 450.00 454.30 454.50 456.06 456.06 456.06 459.30 459.50 462.00 464.30 464.50 468.76 469.30 469.50 474.30 474.50 475.00 475.00 479.30 479.50 481.46 481.46 484.30 484.50 487.00 489.30 489.50 494.16 494.30 494.50 499.30 499.50 500.00 515.00 524.50 530.00 545.00 560.00 579.00 580.00 600.00 615.00 630.00 633.50 650.00 670.00

425.70 431.30 431.92 430.70 436.30 435.70 441.30 439.00 437.50 440.70 446.30 437.72 441.32 444.62 445.70 451.30 451.00 450.70 456.30 457.32 455.70 461.30 460.70 466.30 464.00 465.70 471.30 463.12 466.72 470.02 470.70 476.30 476.00 475.70 481.30 482.72 480.70 486.30 485.70 491.30 495.00 489.00 490.70 496.30 492.12 495.42 495.70 501.30 501.00 500.70 506.30 508.12 505.70 511.30 510.70 516.30 514.00 529.00 544.50 544.00 559.00 574.00 599.00 594.00 614.00 629.00 644.00 653.50 664.00 684.00

5.70 8.40 6.98 5.70 8.40 5.70 8.40 7.00 6.00 5.70 8.40 3.53 5.33 6.98 5.70 8.40 7.00 5.70 8.40 6.98 5.70 8.40 5.70 8.40 7.00 5.70 8.40 3.53 5.33 6.98 5.70 8.40 7.00 5.70 8.40 6.98 5.70 8.40 5.70 8.40 10.00 7.00 5.70 8.40 5.33 6.98 5.70 8.40 7.00 5.70 8.40 6.98 5.70 8.40 5.70 8.40 7.00 7.00 10.00 7.00 7.00 7.00 10.00 7.00 7.00 7.00 7.00 10.00 7.00 7.00

CO 02336CO 02337CO 7806CO 08823CO 08840CO 02358CO 02359CO 7454CO 00315CO 08824CO 02371CO 6675CO 8802CO 7807CO 08825CO 02383CO 7455CO 08826CO 08841CO 2401CO 08827CO 06681CO 02417CO 08842CO 7456CO 08828CO 02433CO 5011CO 7826CO 7808CO 02441CO 08843CO 6711CO 06715CO 02453CO 5107CO 02460CO 08844CO 08829CO 08845CO 00316CO 7457CO 08830CO 06734CO 7800CO 4270CO 08831CO 09165CO 7458CO 08832DO 09015CO 8810CO 08833DO 09016CO 08834CO 09057CO 7459CO 7460CO 00317CO 7461CO 7462CO 7463CO 00318CO 7464CO 7465CO 7466CO 7467CO 00319CO 7468CO 7469

GP

AS568GPGP

ISOVGP

AS568AS568AS568

GP

ISOGP

AS568GPGP

ISOGP

AS568AS568AS568

GP

ISOGP

AS568GPGPV

ISOGP

AS568AS568

GP

ISOGP

AS568GPGP

ISOISO

VISOISOISO

VISOISOISOISO

VISOISO

32264432263226563732264244453228563228453228322856322842444532285632284532283228375632284445322856322845322832285656375656563756565656375656

683.00 732.50 782.00 836.50 940.50 1044.00

703.00 752.50 802.00 856.50 960.50 1064.00

10.00 10.00 10.00 10.00 10.00 10.00

CO 00320CO 00321CO 00322CO 00323CO 00324CO 00325

VVVVVV

373737373737



2222

Inside diameter d0

Outside diameter D


diameter d0Outside

diameter DThickness


Outside diameter D

ThicknessW Dimension code Standard Page Inside

diameter d0Outside

diameter DThickness

W Dimension code Standard Page

92 93

NOK PRODUCT LINE UP

● Metal bellows● Couplings

● Flexible circuit● Multi-layer FPC “FLEXBOARD”● FPC-based panel keyboard

● Thermopile/Pyroelectric element●�Devices related to laser● Printer heads for industrial inkjet● Flash ramps/CERMA rumps● UV/Visible/Infrared detectors● Industrial cameras

● Special lubricant● Fluorine-based coating material��　“GLEITPAN”● �Fluorine-based water repellent /

oil repellent agents “NOXGUARD”● Oilless bearing “LUBLESS”● �Adapters for prevention of cable

disconnection “SY JOINT”● Compressor valves● Recoil starters

● Solenoids● Actuators● Potentiometer● Read valves● Various valves● �High molecule hollow

membrane modules

Plant equipment

Electronics products

Optoelectronics products

Industrial function products

Special products

Metal welding bellows

Flexible circuits

Optoelectronics products

Special lubricant

● Oil seals● Hydraulic seals (Packings)● O-Rings● Mechanical seals● Segment seals● Lip seals● Brush seals● Metal gaskets “SOFTMETAL”● Static metal packings● Perfluoro elastomer “KALREZ” ● Seal washers● Magnetic fluid seals

● Synthetic rubber material● Industrial rubber products● Polyurethane rubber��　“IRON RUBBER” products● Polyurethane rubber��　“IRON RUBBER” belts● Polyurethane rubber��　“IRON RUBBER”��　Traffic signs & Safety devices● Engineering plastic product● Phenolic molding material

● Anti-vibration products

● Bladder type accumulators● Small size Bladder type accumulators　��“Minilator”● Diaphragm type accumulators● Piston type accumulators● Expansion tanks● Metal bellows type accumulators● Products related to housing equipment

Sealing products

Industrial rubberResin products

Vibration damping products

Sound isolator products

Fluid power divices

Oil seals

Polyurethane rubber “IRON RUBBER” products

Anti-vibration rubber

Accumulators

Appendix

94 95

Tole

ranc

e an

d di

men

sion

tabl

e fo

r sha

ft (J

IS B

040

1)Cl

assif

icatio

n of

nomi

nal d

imen

sion

（m

m）

4 5 6 8 9 11 13 15 18 20 23 25 27

6 8 9 11 13 16 19 22 25 29 32 36 40

m 5

＋

6＋

2

＋

9

＋

4

＋

12＋

6

＋

15＋

7

＋

17＋

8

＋

20＋

9

＋

24＋

11

＋

28＋

13

＋

33＋

15

＋

37＋

17

＋

43＋

20

＋

46＋

21

＋

50＋

23

k 5

＋

4＋

0

＋

6

＋

1

＋

7

＋

1

＋

9

＋

1

＋

11＋

2

＋

13＋

2

＋

15＋

2

＋

18＋

3

＋

21＋

3

＋

24＋

4

＋

27＋

4

＋

29＋

4

＋

32＋

5

j 5

＋

4－

1

＋

4－

1

＋

4－

2

＋

5－

3

＋

5－

4

＋

6－

5

＋

6－

7

＋

6－

9

＋

7－

11

＋

7－

13

＋

7－

16

＋

7－

18

＋

7－

20

h 5

0

－

4

0

－

5

0

－

6

0－

8

0－

9

0－

11

0－

13

0－

15

0－

18 0

－

20 0－

23 0

－

25 0－

27

IT 5IT 6

1

3

3

6

6

10

10

14

14

18

18

24

24

30

30

40

40

50

50

65

65

80

80

100

100

120

120

140

140

160

160

180

180

200

200

225

225

250

250

280

280

315

315

355

355

400

400

450

450

500

r 6

＋ 16

＋ 10

＋ 23

＋ 15

＋ 28

＋ 19

＋ 34

＋ 23

＋ 41

＋ 28

＋ 50

＋ 34

＋ 60

＋ 41

＋ 62

＋ 43

＋ 73

＋ 51

＋ 76

＋ 54

＋ 88

＋ 63

＋ 90

＋

65＋

93

＋

68＋

106

＋ 77

＋10

9＋

80

＋11

3＋

84

＋12

6＋

94

＋13

0＋

98

＋14

4＋

108

＋15

0＋

114

＋16

6＋

126

＋17

2＋

132

n 6

＋ 1

0＋

4

＋ 16

＋ 8

＋ 19

＋ 10

＋ 23

＋ 12

＋ 28

＋ 15

＋ 33

＋ 17

＋ 39

＋ 20

＋ 45

＋ 23

＋ 52

＋ 27

＋ 60

＋ 31

＋ 66

＋ 34

＋ 73

＋ 37

＋ 80

＋ 40

p 6

＋

12

＋ 6

＋ 20

＋ 12

＋ 24

＋ 15

＋ 29

＋ 18

＋ 35

＋ 22

＋ 42

＋ 26

＋ 51

＋ 32

＋ 59

＋ 37

＋ 68

＋ 43

＋ 79

＋ 50

＋ 88

＋ 56

＋ 98

＋ 62

＋10

8＋

68

m 6

＋

8

＋

2＋

12

＋ 4

＋ 15

＋

6

＋ 18

＋

7

＋ 21

＋

8

＋ 25

＋

9

＋ 30

＋ 11

＋ 35

＋ 13

＋ 40

＋ 15

＋ 46

＋ 17

＋ 52

＋ 20

＋ 57

＋ 21

＋ 63

＋ 23

k 6

＋

6 0

＋

9＋

1

＋ 10

＋

1

＋ 12

＋

1

＋ 15

＋

2

＋ 18

＋

2

＋ 21

＋

2

＋ 25

＋

3

＋ 28

＋

3

＋ 33

＋

4

＋ 36

＋

4

＋ 40

＋

4

＋ 45

＋

4

k 7

＋ 1

6＋

1

＋ 1

9＋

1

＋ 2

3＋

2

＋ 2

7＋

2

＋ 3

2＋

2

＋ 38

＋

3

＋ 43

＋

3

＋ 50

＋

4

＋ 56

＋

4

＋ 61

＋

4

＋ 68

＋

5

p 7

＋ 18

＋

9＋

24

＋ 12

＋ 30

＋ 15

＋ 36

＋ 18

＋ 43

＋ 22

＋ 51

＋ 26

＋ 62

＋ 32

＋ 72

＋ 37

＋ 83

＋ 43

＋ 96

＋ 50

＋10

8＋

56

＋11

9＋

62

＋13

1＋

68

n 7

＋

15

＋

6＋

20

＋

8

＋ 25

＋ 10

＋ 30

＋ 12

＋ 36

＋ 15

＋ 42

＋ 17

＋ 50

＋ 20

＋ 58

＋ 23

＋ 67

＋ 27

＋ 77

＋ 31

＋ 86

＋ 34

＋ 94

＋ 37

＋10

3＋

40

m 7

＋ 21

＋

6

＋ 25

＋

7

＋ 29

＋

8

＋ 34

＋

9

＋ 41

＋ 11

＋ 48

＋ 13

＋ 55

＋ 15

＋ 63

＋ 17

＋ 72

＋ 20

＋ 78

＋ 21

＋ 86

＋ 23

j 6

＋

6－

1

＋

7－

1

＋

7－

2

＋

8－

3

＋

9－

4

＋ 11

－

5

＋ 12

－

7

＋ 13

－

9

＋ 14

－ 11

＋ 16

－ 13

＋ 16

－ 16

＋ 18

－ 1

8

＋ 20

－ 20

j 7

＋

7

－

2＋

9

－ 3

＋ 10

－

5

＋ 12

－

6

＋ 13

－

8

＋ 15

－ 10

＋ 18

－ 12

＋ 20

－ 15

＋ 22

－ 18

＋ 25

－ 21

＋ 26

－ 26

＋ 29

－ 28

＋ 31

－ 32

h 6

0－

6 0

－ 8 0

－

9 0

－ 11 0

－ 13 0

－ 16 0

－ 19 0

－ 22 0

－ 25 0

－ 29 0

－ 32 0

－ 36 0

－ 40

h 7

0－

10 0

－ 12 0

－ 15 0

－ 18 0

－ 21 0

－

25 0

－ 30 0

－ 35 0

－ 40 0

－ 46 0

－ 52 0

－ 57 0

－ 63

h 8

0－

14 0

－ 18 0

－ 22 0

－ 27 0

－ 33 0

－ 39 0

－ 46 0

－ 54 0

－ 63 0

－ 72 0

－ 81 0

－ 89 0

－ 97

h 9

0－

25 0

－ 30 0

－ 36 0

－ 43 0

－ 52 0

－ 62 0

－ 74 0

－ 87 0

－10

0 0－

115 0

－13

0 0－

140 0

－15

5

h 10

0－

40 0

－ 48 0

－ 58 0

－ 70 0

－ 84 0

－10

0 0－

120 0

－14

0 0－

160 0

－18

5 0－

210 0

－23

0 0－

250

h 11

0－

60 0

－ 75 0

－ 90 0

－11

0 0－

130 0

－16

0 0－

190 0

－22

0 0－

250 0

－29

0 0－

320 0

－36

0 0－

400

g 6

－

2

－

8－

4

－ 12

－

5－

14

－

6－

17

－

7－

20

－

9－

25

－ 10

－ 29

－ 12

－ 34

－ 14

－ 39

－ 15

－ 44

－ 17

－ 49

－ 18

－ 54

－ 20

－ 60

f 6

－

6－

12

－ 10

－ 18

－ 13

－ 22

－ 16

－ 27

－ 20

－ 33

－ 25

－ 41

－ 30

－ 49

－ 36

－ 58

－ 43

－ 68

－ 50

－ 79

－ 56

－ 88

－ 62

－ 98

－ 68

－10

8

f 7

－

6－

16

－ 10

－ 22

－ 13

－ 28

－ 16

－ 34

－ 20

－ 41

－ 25

－ 50

－ 30

－ 60

－ 36

－ 71

－ 43

－ 83

－ 50

－ 96

－ 56

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120

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230

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190

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320

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Uni

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Unit 0.001mm

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10 12 15 18 21 25 30 35 40 46 52 57 63

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H 6

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H 7

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H 8

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IT 6IT 7

14 18 22 27 33 39 46 54 63 72 81 89 97IT 8

25 30 36 43 52 62 74 87 100

115

130

140

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1

3

3

6

6

10

10

14

14

18

18

24

24

30

30

40

40

50

50

65

65

80

80

100

100

120

120

140

140

160

160

180

180

200

200

225

225

250

250

280

280

315

315

355

355

400

400

450

450

500

F 6

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12

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F 7

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M 7

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－ 64

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40 48 58 70 84 100

120

140

160

185

210

230

250

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100

120

150

180

210

250

300

350

400

460

520

570

630

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tole

ranc

eU

pper

tole

ranc

eLo

wer

tole

ranc

eU

pper

tole

ranc

eLo

wer

tole

ranc

eU

pper

tole

ranc

eLo

wer

tole

ranc

e

Uni

t 0.0

01m

m

- - - - - - - - - - - - - - - - - - - - - - - - -

■Tolerance and dimension table for shaft ■Tolerance and dimension table for bore

96

Appendix

mmHgor

Torr

7.500 62 × 103

7.500 62

7.500 62 × 103

7.500 62 × 102

7.355 59 × 102

7.600 00 × 102

7.355 59 × 10 − 2

1

mmH2O

1.019 72 × 10 − 1

1.019 72 × 102

1.019 72 × 105

1.019 72 × 104

　　　 1 × 104

1.033 23 × 104

1

1.359 51 × 10

atm

9.869 23 × 10 − 6

9.869 23 × 10 − 3

9.869 23

9.869 23 × 10 − 1

9.678 41 × 10 − 1

1

9.678 41 × 10 − 5

1.315 79 × 10 − 3

kgf/cm2

1.019 72 × 10 − 5

1.019 72 × 10 − 2

1.019 72 × 10

1.019 72

1

1.033 23

　　　 1 × 10 − 4

1.359 51 × 10 − 3

Pa

1

　　　 1 × 103

　　　 1 × 106

　　　 1 × 105

9.806 65 × 104

1.013 25 × 105

9.806 65

1.333 22 × 102

kgf/cm2

1.019 72 × 10 −5

1.019 72 × 10

　　　 1 × 102

1

MPa

　　　 1 × 10 − 6

　　　 1 × 10 − 3

1

　　　 1 × 10 − 1

9.806 65 × 10 − 2

1.013 25 × 10 − 1

9.806 65 × 10 − 6

1.333 22 × 10 − 4

bar

　　　 1 × 10 − 5

　　　 1 × 10 − 2

　　　 1 × 10

1

9.806 65 × 10 − 1

1.013 25

9.806 65 × 10 − 5

1.333 22 × 10 − 3

kPa

　　　 1 × 10 − 3

1

　　　 1 × 103

　　　 1 × 102

9.806 65 × 10

1.013 25 × 102

9.806 65 × 10 − 3

1.333 22 × 10 − 1

St

1 × 104

1 × 102

1

cSt

1 × 106

1

1 × 102

m2/s

1

1 × 10 − 6

1 × 10 − 4

N

　 1

　 1 × 10 − 5

9.806 65

dyn

　　 1 × 105

1

9.80665 × 105

kgf

1.019 72 × 10 −1

1.019 72 × 10 −6

1

ForceStress

Pressure

Pa・s

　 1

1 × 10 −3

1 × 10 −1

cp

1 × 103

　 1

1 × 102

P

　　 1 × 10

　　 1 × 10 −2

　　 1

Viscosity

Dynam

ic viscosity

Note：1P＝1dyn・s/cm2＝1g/cm・s，1Pa・s＝1N・s/m2，1cP＝1mPa・s

Note：1Pa＝1N/m2

Note：1Pa＝1N/m2、1MPa＝1N/mm2

Note：1St＝1cm2/s，1cSt＝1mm2/S

Pa or N/m2

1

　　　 1 × 106

9.806 65 × 106

9.806 65 × 104

MPa or N/mm2

　　 1 × 10 −6

1

9.806 65

9.806 65 × 10 −2

kgf

1.019 72 × 10 −7

1.019 72 × 10 −1

1

　　　 1 × 10 −2

Unit in bold lined frame is SI unit■ SI unit exchange table

Power energy heat

J

1

3.6×106

9.8067

4.1861×103

kW・h

2.7778×10 −7

1

2.7241×10 −6

1.1628×10 −3

kgf・m

1.0197×10 −1

3.6710×105

1

4.2686×102

kcal

2.3889×10 −4

8.6000×102

2.3427×10 −3

1

Power (w

ork)/heat volum

e

W

1

9.8067

7.355 ×102

1.1628

kgf・m/s

1.0197×10 −1

1

7.5×10

1.1857×10 −1

PS

1.3596×10 −3

1.3333×10 −2

1

1.5810×10 −3

kcal/h

8.6000×10 −1

8.4337

6.3253×102

1

©NOK CORPORATION　

Overseas Sales & Marketing Department, Corporate Sales & Marketing Division1-12-15 Shiba Daimon Minato-ku, Tokyo, Japan, Zipcode 105-8585.

The contents are subject to change without prior notice.

All information on usage conditions, performance data or values in this catalogue are compiled as a reference material. A selected standard design from this catalogue may not conform to the actual use of an application. Please confirm the actual compatibility of a selected product with your application before using it.

NOK cannot guarantee accuracy of data from external sources.

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