X-RINGS
X-Rings, also known as Quad-Rings®. X-Rings can be used in a wide variety of static and dynamic sealing applications.
The four-lobed design provides double sealing surface when compared to that of a standard O-Ring. This double sealing action requires lesser squeeze in order to maintain an effective seal. This reduction in squeeze in turn reduces friction and improves the performance life of the seal.
In X-Rings, problems of leakage due to parting line / flash are widely eliminated as the parting lines are between the lobes of the X-Ring and away
from the sealing surface. The irregular parting line surface of a regular O-Ring can often cause leakage.
X-Rings outperform standard O-Rings especially in rotary seal applications.
The four-lobed design creates a more stable seal avoiding spiral twisting. This allows the use of a more narrow groove width than a standard O-Ring groove, but can also be used in a standard O-Ring groove.
X-Rings are available in standard O-Rings sizes.
Please refer to our sizing chart below for approximate dimensions. Please contact us for more information on our X-Rings.
AS-568
Actual Size Millimeters
I.D.
±
C.S.
±
X-Ring 1
0.74
0.10
1.02
0.08
X-Ring 2
1.07
0.10
1.27
0.08
X-Ring 3
1.42
0.10
1.52
0.08
X-Ring 4
1.78
0.13
1.78
0.08
X-Ring 5
2.57
0.13
1.78
0.08
X-Ring 6
2.90
0.13
1.78
0.08
X-Ring 7
3.68
0.13
1.78
0.08
X-Ring 8
4.47
0.13
1.78
0.08
X-Ring 9
5.28
0.13
1.78
0.08
X-Ring 10
6.07
0.13
1.78
0.08
X-Ring 11
7.65
0.13
1.78
0.08
X-Ring 12
9.25
0.13
1.78
0.08
X-Ring 13
10.82
0.13
1.78
0.08
X-Ring 14
12.42
0.13
1.78
0.08
X-Ring 15
14.00
0.18
1.78
0.08
X-Ring 16
15.60
0.23
1.78
0.08
X-Ring 17
17.17
0.23
1.78
0.08
X-Ring 18
18.77
0.23
1.78
0.08
X-Ring 19
20.35
0.23
1.78
0.08
X-Ring 20
21.95
0.23
1.78
0.08
X-Ring 21
23.52
0.23
1.78
0.08
X-Ring 22
25.12
0.25
1.78
0.08
X-Ring 23
26.70
0.25
1.78
0.08
X-Ring 24
28.30
0.25
1.78
0.08
X-Ring 25
29.87
0.28
1.78
0.08
X-Ring 26
31.47
0.28
1.78
0.08
X-Ring 27
33.05
0.28
1.78
0.08
X-Ring 28
34.65
0.33
1.78
0.08
X-Ring 29
37.82
0.33
1.78
0.08
X-Ring 30
41.00
0.33
1.78
0.08
X-Ring 31
44.17
0.38
1.78
0.08
X-Ring 32
47.35
0.38
1.78
0.08
X-Ring 33
50.52
0.46
1.78
0.08
X-Ring 34
53.70
0.46
1.78
0.08
X-Ring 35
56.87
0.46
1.78
0.08
X-Ring 36
60.05
0.46
1.78
0.08
X-Ring 37
63.22
0.46
1.78
0.08
X-Ring 38
66.40
0.51
1.78
0.08
X-Ring 39
69.57
0.51
1.78
0.08
X-Ring 40
72.75
0.51
1.78
0.08
X-Ring 41
75.92
0.51
1.78
0.08
X-Ring 42
82.27
0.61
1.78
0.08
X-Ring 43
88.62
0.61
1.78
0.08
X-Ring 44
94.97
0.69
1.78
0.08
X-Ring 45
101.32
0.69
1.78
0.08
X-Ring 46
107.67
0.76
1.78
0.08
X-Ring 47
114.02
0.76
1.78
0.08
X-Ring 48
120.37
0.76
1.78
0.08
X-Ring 49
126.72
0.94
1.78
0.08
X-Ring 50
133.07
0.94
1.78
0.08
AS-568
Actual Size Millimeters
I.D.
±
C.S.
±
X-Ring 102
1.24
0.13
2.62
0.08
X-Ring 103
2.06
0.13
2.62
0.08
X-Ring 104
2.84
0.13
2.62
0.08
X-Ring 105
3.63
0.13
2.62
0.08
X-Ring 106
4.42
0.13
2.62
0.08
X-Ring 107
5.23
0.13
2.62
0.08
X-Ring 108
6.02
0.13
2.62
0.08
X-Ring 109
7.59
0.13
2.62
0.08
X-Ring 110
9.19
0.13
2.62
0.08
X-Ring 111
10.77
0.13
2.62
0.08
X-Ring 112
12.37
0.13
2.62
0.08
X-Ring 113
13.94
0.18
2.62
0.08
X-Ring 114
15.54
0.23
2.62
0.08
X-Ring 115
17.12
0.23
2.62
0.08
X-Ring 116
18.72
0.23
2.62
0.08
X-Ring 117
20.30
0.25
2.62
0.08
X-Ring 118
21.89
0.25
2.62
0.08
X-Ring 119
23.47
0.25
2.62
0.08
X-Ring 120
25.07
0.25
2.62
0.08
X-Ring 121
26.64
0.25
2.62
0.08
X-Ring 122
28.24
0.25
2.62
0.08
X-Ring 123
29.82
0.30
2.62
0.08
X-Ring 124
31.42
0.30
2.62
0.08
X-Ring 125
32.99
0.30
2.62
0.08
X-Ring 126
34.59
0.30
2.62
0.08
X-Ring 127
36.17
0.30
2.62
0.08
X-Ring 128
37.77
0.30
2.62
0.08
X-Ring 129
39.34
0.38
2.62
0.08
X-Ring 130
40.94
0.38
2.62
0.08
X-Ring 131
42.52
0.38
2.62
0.08
X-Ring 132
44.12
0.38
2.62
0.08
X-Ring 133
45.69
0.38
2.62
0.08
X-Ring 134
47.29
0.38
2.62
0.08
X-Ring 135
48.90
0.43
2.62
0.08
AS-568
Actual Size Millimeters
I.D.
±
C.S.
±
X-Ring 136
50.47
0.43
2.62
0.08
X-Ring 137
52.07
0.43
2.62
0.08
X-Ring 138
53.65
0.43
2.62
0.08
X-Ring 139
55.25
0.43
2.62
0.08
X-Ring 140
56.82
0.43
2.62
0.08
X-Ring 141
58.42
0.51
2.62
0.08
X-Ring 142
59.99
0.51
2.62
0.08
X-Ring 143
61.60
0.51
2.62
0.08
X-Ring 144
63.17
0.51
2.62
0.08
X-Ring 145
64.77
0.51
2.62
0.08
X-Ring 146
66.34
0.51
2.62
0.08
X-Ring 147
67.95
0.56
2.62
0.08
X-Ring 148
69.52
0.56
2.62
0.08
X-Ring 149
71.12
0.56
2.62
0.08
X-Ring 150
72.69
0.56
2.62
0.08
X-Ring 151
75.87
0.61
2.62
0.08
X-Ring 152
82.22
0.61
2.62
0.08
X-Ring 153
88.57
0.61
2.62
0.08
X-Ring 154
94.92
0.71
2.62
0.08
X-Ring 155
101.27
0.71
2.62
0.08
X-Ring 156
107.62
0.76
2.62
0.08
X-Ring 157
113.97
0.76
2.62
0.08
X-Ring 158
120.32
0.76
2.62
0.08
X-Ring 159
126.67
0.89
2.62
0.08
X-Ring 160
133.02
0.89
2.62
0.08
X-Ring 161
139.37
0.89
2.62
0.08
X-Ring 162
145.72
0.89
2.62
0.08
X-Ring 163
152.07
0.89
2.62
0.08
X-Ring 164
158.42
1.02
2.62
0.08
X-Ring 165
164.77
1.02
2.62
0.08
X-Ring 166
171.12
1.02
2.62
0.08
X-Ring 167
177.47
1.02
2.62
0.08
X-Ring 168
183.82
1.14
2.62
0.08
X-Ring 169
190.17
1.14
2.62
0.08
X-Ring 170
196.52
1.14
2.62
0.08
X-Ring 171
202.87
1.14
2.62
0.08
X-Ring 172
209.22
1.27
2.62
0.08
X-Ring 173
215.57
1.27
2.62
0.08
X-Ring 174
221.92
1.27
2.62
0.08
X-Ring 175
228.27
1.27
2.62
0.08
X-Ring 176
234.62
1.40
2.62
0.08
X-Ring 177
240.97
1.40
2.62
0.08
X-Ring 178
247.32
1.40
2.62
0.08
AS-568
Actual Size Millimeters
I.D.
±
C.S.
±
X-Ring 201
4.34
0.13
3.53
0.10
X-Ring 202
5.94
0.13
3.53
0.10
X-Ring 203
7.52
0.13
3.53
0.10
X-Ring 204
9.12
0.13
3.53
0.10
X-Ring 205
10.69
0.13
3.53
0.10
X-Ring 206
12.29
0.13
3.53
0.10
X-Ring 207
13.87
0.18
3.53
0.10
X-Ring 208
15.47
0.23
3.53
0.10
X-Ring 209
17.04
0.23
3.53
0.10
X-Ring 210
18.64
0.25
3.53
0.10
X-Ring 211
20.22
0.25
3.53
0.10
X-Ring 212
21.82
0.25
3.53
0.10
X-Ring 213
23.39
0.25
3.53
0.10
X-Ring 214
24.99
0.25
3.53
0.10
X-Ring 215
26.57
0.25
3.53
0.10
X-Ring 216
28.17
0.30
3.53
0.10
X-Ring 217
29.74
0.30
3.53
0.10
X-Ring 218
31.34
0.30
3.53
0.10
X-Ring 219
32.92
0.30
3.53
0.10
X-Ring 220
34.52
0.30
3.53
0.10
X-Ring 221
36.09
0.30
3.53
0.10
X-Ring 222
37.69
0.38
3.53
0.10
X-Ring 223
40.87
0.38
3.53
0.10
X-Ring 224
44.04
0.38
3.53
0.10
X-Ring 225
47.22
0.46
3.53
0.10
X-Ring 226
50.39
0.46
3.53
0.10
X-Ring 227
53.57
0.46
3.53
0.10
X-Ring 228
56.74
0.51
3.53
0.10
X-Ring 229
59.92
0.51
3.53
0.10
X-Ring 230
63.09
0.51
3.53
0.10
X-Ring 231
66.27
0.51
3.53
0.10
X-Ring 232
69.44
0.61
3.53
0.10
X-Ring 233
72.62
0.61
3.53
0.10
X-Ring 234
75.79
0.61
3.53
0.10
X-Ring 235
78.97
0.61
3.53
0.10
X-Ring 236
82.14
0.61
3.53
0.10
X-Ring 237
85.32
0.61
3.53
0.10
X-Ring 238
88.49
0.61
3.53
0.10
X-Ring 239
91.67
0.71
3.53
0.10
X-Ring 240
94.84
0.71
3.53
0.10
X-Ring 241
98.02
0.71
3.53
0.10
X-Ring 242
101.19
0.71
3.53
0.10
X-Ring 243
104.37
0.71
3.53
0.10
X-Ring 244
107.54
0.76
3.53
0.10
X-Ring 245
110.72
0.76
3.53
0.10
X-Ring 246
113.89
0.76
3.53
0.10
X-Ring 247
117.07
0.76
3.53
0.10
X-Ring 248
120.24
0.76
3.53
0.10
X-Ring 249
123.42
0.89
3.53
0.10
X-Ring 250
126.59
0.89
3.53
0.10
X-Ring 251
129.77
0.89
3.53
0.10
X-Ring 252
132.94
0.89
3.53
0.10
AS-568
Actual Size Millimeters
I.D.
±
C.S.
±
X-Ring 253
136.12
0.89
3.53
0.10
X-Ring 254
139.29
0.89
3.53
0.10
X-Ring 255
142.47
0.89
3.53
0.10
X-Ring 256
145.64
0.89
3.53
0.10
X-Ring 257
148.82
0.89
3.53
0.10
X-Ring 258
151.99
0.89
3.53
0.10
X-Ring 259
158.34
1.02
3.53
0.10
X-Ring 260
164.69
1.02
3.53
0.10
X-Ring 261
171.04
1.02
3.53
0.10
X-Ring 262
177.39
1.02
3.53
0.10
X-Ring 263
183.74
1.14
3.53
0.10
X-Ring 264
190.09
1.14
3.53
0.10
X-Ring 265
196.44
1.14
3.53
0.10
X-Ring 266
202.79
1.14
3.53
0.10
X-Ring 267
209.14
1.27
3.53
0.10
X-Ring 268
215.49
1.27
3.53
0.10
X-Ring 269
221.84
1.27
3.53
0.10
X-Ring 270
228.19
1.27
3.53
0.10
X-Ring 271
234.54
1.40
3.53
0.10
X-Ring 272
240.89
1.40
3.53
0.10
X-Ring 273
247.24
1.40
3.53
0.10
X-Ring 274
253.59
1.40
3.53
0.10
X-Ring 275
266.29
1.40
3.53
0.10
X-Ring 276
278.99
1.65
3.53
0.10
X-Ring 277
291.69
1.65
3.53
0.10
X-Ring 278
304.39
1.65
3.53
0.10
X-Ring 279
329.79
1.65
3.53
0.10
X-Ring 280
355.19
1.65
3.53
0.10
X-Ring 281
380.59
1.65
3.53
0.10
X-Ring 282
405.26
1.91
3.53
0.10
X-Ring 283
430.66
2.03
3.53
0.10
X-Ring 284
456.06
2.16
3.53
0.10
AS-568
Actual Size Millimeters
I.D.
±
C.S.
±
X-Ring 309
10.46
0.13
5.33
0.13
X-Ring 310
12.07
0.13
5.33
0.13
X-Ring 311
13.64
0.18
5.33
0.13
X-Ring 312
15.24
0.23
5.33
0.13
X-Ring 313
16.81
0.23
5.33
0.13
X-Ring 314
18.42
0.25
5.33
0.13
X-Ring 315
19.99
0.25
5.33
0.13
X-Ring 316
21.59
0.25
5.33
0.13
X-Ring 317
23.16
0.25
5.33
0.13
X-Ring 318
24.77
0.25
5.33
0.13
X-Ring 319
26.34
0.25
5.33
0.13
X-Ring 320
27.94
0.30
5.33
0.13
X-Ring 321
29.51
0.30
5.33
0.13
X-Ring 322
31.12
0.30
5.33
0.13
X-Ring 323
32.69
0.30
5.33
0.13
X-Ring 324
34.29
0.30
5.33
0.13
X-Ring 325
37.47
0.38
5.33
0.13
X-Ring 326
40.64
0.38
5.33
0.13
X-Ring 327
43.82
0.38
5.33
0.13
X-Ring 328
46.99
0.38
5.33
0.13
X-Ring 329
50.17
0.46
5.33
0.13
X-Ring 330
53.34
0.46
5.33
0.13
X-Ring 331
56.52
0.46
5.33
0.13
X-Ring 332
59.69
0.46
5.33
0.13
X-Ring 333
62.87
0.51
5.33
0.13
X-Ring 334
66.04
0.51
5.33
0.13
X-Ring 335
69.22
0.51
5.33
0.13
X-Ring 336
72.39
0.51
5.33
0.13
X-Ring 337
75.57
0.61
5.33
0.13
X-Ring 338
78.74
0.61
5.33
0.13
X-Ring 339
81.92
0.61
5.33
0.13
X-Ring 340
85.09
0.61
5.33
0.13
X-Ring 341
88.27
0.61
5.33
0.13
X-Ring 342
91.44
0.71
5.33
0.13
X-Ring 343
94.62
0.71
5.33
0.13
X-Ring 344
97.79
0.71
5.33
0.13
X-Ring 345
100.97
0.71
5.33
0.13
X-Ring 346
104.14
0.71
5.33
0.13
X-Ring 347
107.32
0.76
5.33
0.13
X-Ring 348
110.49
0.76
5.33
0.13
X-Ring 349
113.67
0.76
5.33
0.13
X-Ring 350
116.84
0.76
5.33
0.13
X-Ring 351
120.02
0.76
5.33
0.13
X-Ring 352
123.19
0.76
5.33
0.13
X-Ring 353
126.37
0.94
5.33
0.13
X-Ring 354
129.54
0.94
5.33
0.13
X-Ring 355
132.72
0.94
5.33
0.13
X-Ring 356
135.89
0.94
5.33
0.13
X-Ring 357
139.07
0.94
5.33
0.13
X-Ring 358
142.24
0.94
5.33
0.13
X-Ring 359
145.42
0.94
5.33
0.13
X-Ring 360
148.59
0.94
5.33
0.13
AS-568
Actual Size Millimeters
I.D.
±
C.S.
±
X-Ring 361
151.77
0.94
5.33
0.13
X-Ring 362
158.12
1.02
5.33
0.13
X-Ring 363
164.47
1.02
5.33
0.13
X-Ring 364
170.82
1.02
5.33
0.13
X-Ring 365
177.17
1.02
5.33
0.13
X-Ring 366
183.52
1.14
5.33
0.13
X-Ring 367
189.87
1.14
5.33
0.13
X-Ring 368
196.22
1.14
5.33
0.13
X-Ring 369
202.57
1.14
5.33
0.13
X-Ring 370
208.92
1.27
5.33
0.13
X-Ring 371
215.27
1.27
5.33
0.13
X-Ring 372
221.62
1.27
5.33
0.13
X-Ring 373
227.97
1.27
5.33
0.13
X-Ring 374
234.32
1.40
5.33
0.13
X-Ring 375
240.67
1.40
5.33
0.13
X-Ring 376
247.02
1.40
5.33
0.13
X-Ring 377
253.37
1.40
5.33
0.13
X-Ring 378
266.07
1.52
5.33
0.13
X-Ring 379
278.77
1.52
5.33
0.13
X-Ring 380
291.47
1.65
5.33
0.13
X-Ring 381
304.17
1.65
5.33
0.13
X-Ring 382
329.57
1.65
5.33
0.13
X-Ring 383
354.97
1.78
5.33
0.13
X-Ring 384
380.37
1.78
5.33
0.13
X-Ring 385
405.26
1.91
5.33
0.13
X-Ring 386
430.66
2.03
5.33
0.13
X-Ring 387
456.06
2.16
5.33
0.13
X-Ring 388
481.41
2.29
5.33
0.13
X-Ring 389
506.81
2.41
5.33
0.13
X-Ring 390
532.21
2.41
5.33
0.13
X-Ring 391
557.61
2.54
5.33
0.13
X-Ring 392
582.68
2.67
5.33
0.13
X-Ring 393
608.08
2.79
5.33
0.13
X-Ring 394
633.48
2.92
5.33
0.13
X-Ring 395
658.88
3.05
5.33
0.13
AS-568
Actual Size Millimeters
I.D.
±
C.S.
±
X-Ring 425
113.67
0.84
6.99
0.15
X-Ring 426
116.84
0.84
6.99
0.15
X-Ring 427
120.02
0.84
6.99
0.15
X-Ring 428
123.19
0.84
6.99
0.15
X-Ring 429
126.37
0.94
6.99
0.15
X-Ring 430
129.54
0.94
6.99
0.15
X-Ring 431
132.72
0.94
6.99
0.15
X-Ring 432
135.89
0.94
6.99
0.15
X-Ring 433
139.07
0.94
6.99
0.15
X-Ring 434
142.24
0.94
6.99
0.15
X-Ring 435
145.42
0.94
6.99
0.15
X-Ring 436
148.59
0.94
6.99
0.15
X-Ring 437
151.77
0.94
6.99
0.15
X-Ring 438
158.12
1.02
6.99
0.15
X-Ring 439
164.47
1.02
6.99
0.15
X-Ring 440
170.82
1.02
6.99
0.15
X-Ring 441
177.17
1.02
6.99
0.15
X-Ring 442
183.52
1.14
6.99
0.15
X-Ring 443
189.87
1.14
6.99
0.15
X-Ring 444
196.22
1.14
6.99
0.15
X-Ring 445
202.57
1.14
6.99
0.15
X-Ring 446
215.27
1.40
6.99
0.15
X-Ring 447
227.97
1.40
6.99
0.15
X-Ring 448
240.67
1.40
6.99
0.15
X-Ring 449
253.37
1.40
6.99
0.15
X-Ring 450
266.07
1.52
6.99
0.15
X-Ring 451
278.77
1.52
6.99
0.15
X-Ring 452
291.47
1.52
6.99
0.15
X-Ring 453
304.17
1.52
6.99
0.15
X-Ring 454
316.87
1.52
6.99
0.15
X-Ring 455
329.57
1.52
6.99
0.15
X-Ring 456
342.27
1.78
6.99
0.15
X-Ring 457
354.97
1.78
6.99
0.15
X-Ring 458
367.67
1.78
6.99
0.15
X-Ring 459
380.37
1.78
6.99
0.15
X-Ring 460
393.07
1.78
6.99
0.15
X-Ring 461
405.26
1.91
6.99
0.15
X-Ring 462
417.96
1.91
6.99
0.15
X-Ring 463
430.66
2.03
6.99
0.15
X-Ring 464
443.36
2.16
6.99
0.15
X-Ring 465
456.06
2.16
6.99
0.15
X-Ring 466
468.76
2.16
6.99
0.15
X-Ring 467
481.46
2.29
6.99
0.15
X-Ring 468
494.16
2.29
6.99
0.15
X-Ring 469
506.86
2.41
6.99
0.15
X-Ring 470
532.26
2.41
6.99
0.15
X-Ring 471
557.66
2.54
6.99
0.15
X-Ring 472
582.68
2.67
6.99
0.15
X-Ring 473
608.08
2.79
6.99
0.15
X-Ring 474
633.48
2.92
6.99
0.15
X-Ring 475
658.88
3.05
6.99
0.15
Quad-Ring® is a registered trademark of Minnesota Rubber
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Markez® is a registered trademark of Marco Rubber
Viton® and Kalrez® are registered trademark of DuPont Performance Elastomers
Teflon® is a registered trademark of DuPont
Simriz® is a registered trademark of Freudenberg-NOK.
Chemraz® is a registered trademark of Green Tweed.
Quad-Ring® is a registered trademark of Minnesota Rubber
AFLAS® is a registered trademark of the Asahi Glass Co., Ltd.