JIS B 2401-1 series(Static/Dynamic application) JIS ... · 24 25 co 00047 co 00049 co 00045 co...
7
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 d φ G W 90 ＋5 ° －0 ° 90 ＋5 ° －0 ° R R0.1 ～R0.2 0° ～5° R R0.1 ～R0.2 0° ～5° H D2 φ G H W W f f d0 D1 φ d φ D1 φ d φ G G D1 φ d φ D1 φ d φ G G 22 23 CO 00000 CO 00001 CO 00002 CO 00003 CO 00004 CO 00005 CO 00006 CO 00007 CO 00008 CO 00009 CO 00010 CO 00011 CO 00012 CO 00013 CO 00014 CO 00015 CO 00016 CO 00017 CO 00018 CO 00020 CO 00019 CO 00021 CO 00022 CO 00023 CO 00024 CO 00025 CO 00026 CO 00027 CO 00028 CO 00029 CO 00030 CO 00031 CO 00032 CO 00033 CO 00034 CO 00035 CO 00036 CO 00037 CO 00038 CO 00039 CO 00040 CO 00041 CO 00042 CO 00043 CO 00044 CO 00046 P 3 P 4 P 5 P 6 P 7 P 8 P 9 P 10 P 10A P 11 P 11.2 P 12 P 12.5 P 14 P 15 P 16 P 18 P 20 P 21 P 22 P 22A P 22.4 P 24 P 25 P 25.5 P 26 P 28 P 29 P 29.5 P 30 P 31 P 31.5 P 32 P 34 P 35 P 35.5 P 36 P 38 P 39 P 40 P 41 P 42 P 44 P 45 P 46 P 48 OR □ P 3 -N OR □ P 4 -N OR □ P 5 -N OR □ P 6 -N OR □ P 7 -N OR □ P 8 -N OR □ P 9 -N OR □ P10 -N OR □ P10A -N OR □ P11 -N OR □ P11.2 -N OR □ P12 -N OR □ P12.5 -N OR □ P14 -N OR □ P15 -N OR □ P16 -N OR □ P18 -N OR □ P20 -N OR □ P21 -N OR □ P22 -N OR □ P22A -N OR □ P22.4 -N OR □ P24 -N OR □ P25 -N OR □ P25.5 -N OR □ P26 -N OR □ P28 -N OR □ P29 -N OR □ P29.5 -N OR □ P30 -N OR □ P31 -N OR □ P31.5 -N OR □ P32 -N OR □ P34 -N OR □ P35 -N OR □ P35.5 -N OR □ P36 -N OR □ P38 -N OR □ P39 -N OR □ P40 -N OR □ P41 -N OR □ P42 -N OR □ P44 -N OR □ P45 -N OR □ P46 -N OR □ P48 -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 6 7 8 9 10 11 12 13 6.2 7.2 8.2 9.2 10.2 11.2 12.2 13.2 ＋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 S8 R3 S7 T8 T7 U2 Q5 U8 X8 X0 U2 V8 Q0 X0 U2 V8 T8 R6 S5 U3 U3 G0 U2 Q0 G0 N5 U2 U3 G0 S0 U3 U2 U3 R0 R0 U2 U3 Q0 U2 W0 U3 U2 U2 P3 U3 X0 Dimension d Dimension D1, D2 Dimension H Dimension R Maximum misalignment(TIR) of center D and center d for dynamic or cylindrical application Dimension G (tolerance +0.25 ) 0 D1 D2 d Tolerance Tolerance No backup ring One side backup ring Both sides backup rings H±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 Material code Tolerance of inside diameter ‘d0’ JIS dimension identification code Type Dimension code Thickness W (Reference) Old JIS callout number Inside diameter d0 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 -70-1 Class 1A A305 NBR -90 Class 1B A105 NBR -70-2 Class 2 A122 VMQ -70 Class 4C S503 FKM -70 Class 4D F201 JIS B 2401-1 Pseries (Static/Dynamic application) Material JIS 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 4D NOK symbol A305 A105 A122 S503 F201 P series P series ** Example: OR NBR-70-1 P3-N, OR FKM-70 P3-N
Transcript of JIS B 2401-1 series(Static/Dynamic application) JIS ... · 24 25 co 00047 co 00049 co 00045 co...
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 3 -NOR □P 4 -NOR □P 5 -NOR □P 6 -NOR □P 7 -N
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 14 -NOR □P 15 -NOR □P 16 -NOR □P 18 -NOR □P 20 -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
Material code Tolerance of inside diameter ‘d0’
JIS dimension identification code
TypeDimension
code
ThicknessW
(Reference)Old JIS callout number
Inside diameter
d0
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
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
One side backup ring(only dynamic, cylindrical
static application)
Both sides backup rings(only dynamic, cylindrical
static application)
(unit: mm)
OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □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
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
(Note) Chamfer according to NOK recommendation
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)
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)NOK code
Material code Tolerance of inside diameter ‘d0’
JIS dimension identification code
TypeDimension
code
ThicknessW
(Reference)Old JIS callout number
Inside diameter
d0
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
■ When ordering, please indicate both ①JIS dimension identification code and ②NOK code.
Example 1) In the case of O-Ring ID of 48.7, its thickness of 3.5 and its material of NBR-70-1,
・JIS dimension identification code: OR NBR-70-1 P49-N ・NOK code: CO 00047 A Example 2) In the case of O-Ring ID of 48.7, its thickness of
3.5 and its material of FKM-70, ・JIS dimension identification code: OR FKM-70 P49-N ・NOK code: CO 00047 O0
■JIS dimension identification code: Type + material specification +
Dimension specification + Appearance grade
P se
ries
P se
ries
**Example: OR NBR-70-1 P49-N, OR FKM-70 P49-N
■ 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)
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
One side backup ring(only dynamic, cylindrical
static application)
Both sides backup rings(only dynamic, cylindrical
static application)
(unit: mm)
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
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
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
(Note) Chamfer according to NOK recommendation
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 code
Material code Tolerance of inside diameter ‘d0’
JIS dimension identification code
TypeDimension
code
ThicknessW
(Reference)Old JIS callout number
Inside diameter
d0
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
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)
■ When ordering, please indicate both ①JIS dimension identification code and ②NOK code.
Example 1) In the case of O-Ring ID of 204.5, its thickness of 8.4 and its material of NBR-70-1,
・JIS dimension identification code: OR NBR-70-1 P205-N ・NOK code: CO 00092 A Example 2) In the case of O-Ring ID of 204.5, its thickness of
8.4 and its material of FKM-70, ・JIS dimension identification code: OR FKM-70 P205-N ・NOK code: CO 00092 G0
■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:
・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
One side backup ring(only dynamic, cylindrical
static application)
Both sides backup rings(only dynamic, cylindrical
static application)
(unit: mm)
OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □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
(Note) Chamfer according to NOK recommendation
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)
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
NOK code
Material code Tolerance of inside diameter ‘d0’
JIS dimension identification code
TypeDimension
code
ThicknessW
(Reference)Old JIS callout number
Inside diameter
d0
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
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)
■ When ordering, please indicate both ①JIS dimension identification code and ②NOK code.
Example 1) In the case of O-Ring ID of 434.5, its thickness of 8.4 and its material of NBR-70-1,
・JIS dimension identification code: OR NBR-70-1 P435-N ・NOK code: CO 02383 A Example 2) In the case of O-Ring ID of 434.5, its thickness of
8.4 and its material of FKM-70, ・JIS dimension identification code: OR FKM-70 P435-N ・NOK code: CO 02383 G0
■JIS dimension identification code: Type + material specification +
Dimension specification + Appearance grade
P se
ries
P se
ries
■ 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)
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
One side backup ring(only dynamic, cylindrical
static application)
Both sides backup rings(only dynamic, cylindrical
static application)
(unit: mm)
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
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)
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
NOK code
Material code Tolerance of inside diameter ‘d0’
JIS dimension identification code
TypeDimension
code
ThicknessW
(Reference)Old JIS callout number
Inside diameter
d0
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
Dimension d Dimension D Dimension H Dimension R Maximum misalignment(TIR)
of center D and center d for dynamic
or cylindricalapplication
Dimension G (tolerance +0.25) 0
Dd Tolerance ToleranceNo
backup ring
One side backup
ring
Both sides backup
ringsH±0.05 Maximum
value
Groove dimension (according to JIS specification)
■ When ordering, please indicate both ①JIS dimension identification code and ②NOK code.
Example 1) In the case of O-Ring ID of 24.4, its thickness of 3.1 and its material of NBR-70-1,
・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
■JIS dimension identification code: Type + material specification +
Dimension specification + Appearance grade
G s
erie
s
G s
erie
s
■ 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)
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 □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
OR □OR □OR □OR □OR □
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
One side backup ring(only dynamic, cylindrical
static application)
Both sides backup rings(only dynamic, cylindrical
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
O-Ring dimension Cylindrical static application Groove Flat face static application(Extrusion clearance: refer to Figure 1-3 on Page 15)
NOK code
Material code Tolerance of inside diameter ‘d0’
JIS dimension identification code
TypeDimension
code
ThicknessW
(Reference)Old JIS callout number
Inside diameter
d0
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
Dimension d Dimension D Dimension H Dimension R Maximum misalignment(TIR)
of center D and center d for dynamic
or cylindricalapplication
Dimension G (tolerance +0.25)0
Dd Tolerance ToleranceNo
backup ring
One side backup
ring
Both sides backup
ringsH±0.05 Maximum
value
Groove dimension (according to JIS specification)
JIS B 2401-1 G series (Static 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
■ When ordering, please indicate both ①JIS dimensionidentification code and ②NOK code.Example 1) In the case of O-Ring ID of 264.3, its thickness of
5.7 and its material of NBR-70-1,・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
■JIS dimension identification code: Type + material specification +Dimension specification + Appearance grade
■ Old JASO specification has the samedimension series. It also has materialsmentioned below:Please see Page 46 - 53 in details.・Class 3 (SBR)・Class 4E (ACM)・Class 5 (EPDM)・Material H (H-NBR)
37
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
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
JIS dimension identification 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 70 -NOR □V 85 -NOR □V 100 -NOR □V 120 -NOR □V 150 -N
OR □V 175 -N
OR □V 225 -NOR □V 275 -NOR □V 325 -NOR □V 380 -NOR □V 430 -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
←□: put material
code left **
(Reference)Old JIS callout number
Inside diameter
d0
Burr dimension
f
NBR-70-1Class 1AA305
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)
(unit: mm)
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
V se
ries
■ When ordering, please indicate both ①JIS dimensionidentification code and ②NOK 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
■JIS dimension identification code: Type + material specification +Dimension specification + Appearance grade
Tolerance of inside diameter ‘d0’
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