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O-RING METRIC & INCH GROOVE DIMENSIONS
Dynamic and Static

Surface roughness:
rod/cylinder bore, Rt = 1-4µ
base of groove, static Rt = 6 - 16µ
base of groove, dynamic Rt = 6 - 10µ
    Face Type

    Surface roughness:
    seal contact area and base of groove, Rt = 6 - 16µ
    pulsating pressure, Rt = 6 -16µ


Nominal
Size
O-Ring Width
W
Dynamic and Static
Face Type
Radius
Groove Depth
E + 0.06
Tol. + 0.06
Groove Width
Groove Depth
E1
Tol. + 0.1
Groove Width
F3
Tol. + 0.2
R
Without
Backring
 With
Backring
F + 0.2

Tol. + 0.2
F1 + 0.2
1
Backring
Tol. + 0.2
F2 + 0.2
2
Backrings
Tol. + 0.2

0.40
0.28
0.60
-
-
0.28
0.60
-
-

0.50
0.35
0.70
-
-
0.35
0.70
-
-

0.60
0.45
0.80
-
-
0.40
0.80
-
-

1.00 & 1.02
0.80
1.40
-
-
0.65
1.40
0.2
0.2

1.10, 1.12 & 1.15
0.90
1.50
-
-
0.75
1.50
0.2
0.2

1.20
0.95
1.70
-
-
0.80
1.70
0.2
0.2

1.25 & 1.27
1.00
1.80
-
-
0.85
1.80
0.2
0.2

1.30
1.05
1.80
-
-
0.90
1.80
0.2
0.2

1.42 & 1.45
1.15
1.90
-
-
0.95
1.90
0.2
0.2

1.50 & 1.52
1.20
2.10
-
-
1.00
2.10
0.2
0.2

1.57, 1.60 & 1.63
1.30
2.20
-
-
1.10
2.20
0.3
0.2
.070" (1/16") 1.78 & 1.80
1.45
2.40
3.80
5.20
1.20
2.40
0.4
0.2

1.83
1.50
2.40
3.80
5.20
1.25
2.40
0.5
0.2

1.90, 1.98, 2.00 & 2.02
1.65
2.50
3.90
5.30
1.40
2.50
0.5
0.2

2.08 & 2.10
1.70
2.80
4.20
5.60
1.45
2.80
0.5
0.2

2.20 & 2.21
1.85
2.90
4.30
5.70
1.55
2.90
0.5
0.3

2.26
1.85
3.00
4.40
5.80
1.55
3.00
0.5
0.3

2.30
1.90
3.00
4.40
5.80
1.60
3.00
0.5
0.3

2.40
2.00
3.20
4.60
6.00
1.70
3.20
0.5
0.3

2.46
2.05
3.30
4.70
6.10
1.75
3.30
0.5
0.3

2.50
2.10
3.40
4.80
6.20
1.80
3.40
0.5
0.3
.103" (3/32") 2.60, 2.62 & 2.70
2.25
3.60
5.00
6.40
1.90
3.60
0.6
0.3

2.70 & 2.75
2.30
3.70
5.10
6.50
1.95
3.70
0..6
0.3

2.95 & 3.00
2.50
3.90
5.30
6.70
2.20
3.90
0.8
0.3

3.15
2.70
4.00
5.40
6.80
2.30
4.00
0.8
0.4
.139" (1/8") 3.50, 3.53 & 3.60
3.10
4.80
6.20
7.60
2.70
4.80
1.0
0.4

4.00
3.50
5.40
7.10
8.80
3.10
5.40
1.0
0.4

4.50
4.00
6.00
7.70
9.40
3.40
6.00
1.0
0.4

5.00
4.30
6.70
8.40
10.10
3.90
6.70
1.0
0.4
.210" (3/16") 5.33
4.70
7.10
8.80
10.50
4.30
7.10
1.2
0.6

5.50
4.80
7.30
9.00
10.70
4.40
7.30
1.2
0.6

5.70 & 5.80
5.00
7.70
9.40
11.10
4.60
7.70
1.2
0.6

6.00
5.30
8.20
9.90
11.60
4.80
8.20
1.2
0.6

6.30 & 6.35
5.60
8.70
10.40
12.10
5.10
8.70
1.2
0.6

6.50
5.70
8.90
10.60
12.30
5.40
8.90
1.2
0.6
.275" (1/4") 7.00
6.10
9.50
12.00
14.50
5.80
9.50
1.5
0.6

7.20
6.20
9.80
12.30
14.80
5.90
9.80
1.5
0.6

7.50
6.50
14.40
12.90
15.40
6.20
10.40
1.5
0.6

8.00
7.00
11.00
13.50
16.00
6.60
11.00
1.5
0.6

8.20
7.10
11.20
13.70
16.20
6.70
11.20
1.5
0.6

8.40
7.50
11.70
14.20
16.70
6.90
11.70
2.0
0.6

9.00
7.80
12.50
15.00
17.50
7.40
12.50
2.0
0.6

9.50
8.30
13.30
15.80
18.30
7.80
13.30
2.0
0.6

10.00
8.70
13.50
16.00
18.50
8.30
13.50
2.0
0.6

11.00
9.60
15.50
18.00
20.50
9.10
15.50
3.0
0.6

12.00
10.50
16.80
19.30
21.80
10.30
16.80
3.0
0.6

14.00
12.20
19.00
21.50
24.00
11.60
19.00
3.0
0.6

15.00
13.20
20.00
22.50
25.00
12.50
20.00
3.0
0.6

16.00
14.00
21.50
24.00
26.50
13.50
21.50
3.0
0.6



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