Metric O-Ring Tolerances


Metric O-Ring Dimensional Tolerances

Metric O-Ring Tolerances
Cross Section (mm) Tolerance (mm)
≤ 2.62 ± 0.08
2.63 – 3.00 ± 0.09
3.01 – 4.50 ± 0.10
4.51 – 5.50 ± 0.13
5.51 – 7.50 ± 0.15
7.51 – 8.50 ± 0.18
8.51 – 10.0 ± 0.20

I.D. (mm) Tolerance (mm)
1.80 – 2.79 ± 0.13
2.80 – 4.86 ± 0.14
4.87 – 6.69 ± 0.15
6.70 – 8.75 ± 0.16
8.76 – 10.59 ± 0.17
10.5 – 11.79 ± 0.18
11.8 – 14.99 ± 0.19
15.0 – 16.99 ± 0.20
17.0 – 18.99 ± 0.21
19.0 – 21.19 ± 0.22
21.2 – 22.39 ± 0.23
22.4 – 24.99 ± 0.24
25.0 – 25.79 ± 0.25
25.8 – 27.99 ± 0.26
28.0 – 29.99 ± 0.28
30.0 – 31.49 ± 0.29
31.5 – 32.49 ± 0.31
32.5 – 34.49 ± 0.32
34.5 – 35.49 ± 0.33
35.5 – 36.49 ± 0.34
36.5 – 37.49 ± 0.35
37.5 – 38.59 ± 0.36
38.7 – 39.99 ± 0.37
40.0 – 41.19 ± 0.38
41.2 – 42.49 ± 0.39
42.5 – 43.69 ± 0.40
43.7 – 44.99 ± 0.41
45.0 – 46.19 ± 0.42
46.2 – 47.49 ± 0.43
47.5 – 48.69 ± 0.44
48.7 – 49.99 ± 0.45
50.0 – 51.49 ± 0.46
51.5 – 52.99 ± 0.47
53.0 – 54.49 ± 0.48
54.5 – 55.99 ± 0.50
56.0 – 57.99 ± 0.51
58.0 – 59.99 ± 0.52
60.0 – 61.49 ± 0.54
61.5 – 52.99 ± 0.55
63.0 – 64.99 ± 0.58
65.0 – 68.99 ± 0.58
I.D. (mm) Tolerance (mm)
67.0 – 68.99 ± 0.59
69.0 – 70.99 ± 0.61
71.0 – 72.99 ± 0.63
73.0 – 74.99 ± 0.64
75.0 – 77.49 ± 0.66
77.5 – 79.99 ± 0.67
80.0 – 82.49 ± 0.69
82.5 – 84.99 ± 0.71
85.0 – 87.49 ± 0.73
87.5 – 89.99 ± 0.75
90.0 – 92.49 ± 0.77
92.5 – 94.99 ± 0.79
95.0 – 97.49 ± 0.81
97.5 – 99.99 ± 0.83
100 – 102.9 ± 0.84
103 – 105.9 ± 0.87
106 – 108.9 ± 0.89
109 – 111.9 ± 0.91
112 – 114.9 ± 0.93
115 – 117.9 ± 0.95
118 – 121.9 ± 0.97
122 – 124.9 ± 1.00
125 – 127.9 ± 1.03
128 – 131.9 ± 1.05
132 – 135.9 ± 1.08
136 – 139.9 ± 1.10
140 – 144.9 ± 1.13
145 – 149.9 ± 1.17
150 – 154.9 ± 1.20
155 – 159.9 ± 1.24
160 – 164.9 ± 1.27
165 – 169.9 ± 1.31
170 – 174.9 ± 1.34
175 – 179.9 ± 1.38
180 – 184.9 ± 1.41
185 – 189.9 ± 1.44
190 – 194.9 ± 1.48
195 – 199.9 ± 1.51
200 – 205.9 ± 1.55
206 – 211.9 ± 1.59
212 – 217.9 ± 1.63
I.D. (mm) Tolerance (mm)
218 – 223.9 ± 1.67
224 – 229.9 ± 1.71
230 – 235.9 ± 1.75
238 – 242.9 ± 1.79
243 – 249.9 ± 1.83
250 – 257.9 ± 1.88
258 – 264.9 ± 1.93
265 – 271.9 ± 1.98
272 – 279.9 ± 2.02
280 – 289.9 ± 2.08
290 – 299.9 ± 2.14
300 – 306.9 ± 2.21
307 – 314.9 ± 2.25
315 – 324.9 ± 2.30
325 – 334.9 ± 2.37
335 – 344.9 ± 2.43
345 – 354.9 ± 2.49
355 – 364.9 ± 2.56
365 – 374.9 ± 2.62
375 – 386.9 ± 2.68
387 – 399.9 ± 2.78
400 – 411.9 ± 2.84
412 – 424.9 ± 2.91
425 – 436.9 ± 2.99
437 – 449.9 ± 3.07
450 – 461.9 ± 3.15
462 – 474.9 ± 3.22
475 – 486.9 ± 3.30
487 – 499.9 ± 3.37
500 – 514.9 ± 3.45
515 – 529.9 ± 3.54
530 – 544.9 ± 3.63
545 – 559.9 ± 3.72
560 – 579.9 ± 3.81
580 – 599.9 ± 3.93
600 – 614.9 ± 4.05
615 – 629.9 ± 4.13
630 – 649.9 ± 4.22
650 – 669.9 ± 4.34
670 – 689.9 ± 4.46
≥ 690 ± 0.65%

Information within is believed to be accurate and reliable. However, The O-Ring Store, LLC makes no warranty, expressed or implied, that parts supplied in this material will perform satisfactorily in specific applications. It’s the customer’s responsibility to evaluate the material prior to use.

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1847 Wilma Dr, Clarkston WA 99403
Phone 208-413-6377 - Fax 208-413-6719