Metric Polyurethane O-Rings

OneMonroe’s Metric Polyurethane O-Rings are designed for maximum durability and exceptional sealing performance in a wide range of applications. Crafted from high-quality polyurethane, these O-rings offer outstanding resistance to abrasion, chemicals, and high-pressure environments, making them ideal for industries that demand both reliability and longevity. Whether used in hydraulics, pneumatics, or mechanical assemblies, OneMonroe’s Metric Polyurethane O-Rings deliver dependable sealing solutions that withstand tough conditions, ensuring your systems operate smoothly and efficiently.

Our metric O-rings are available in various sizes to provide versatility and precision for any engineering or industrial requirement. These O-rings are specifically designed to provide a reliable seal for metric-based equipment, allowing for exact fitment and minimal leakage. The superior strength and elasticity of polyurethane make these O-rings more durable than traditional rubber alternatives, significantly extending the service life and reducing maintenance downtime. With their exceptional chemical and temperature resistance, OneMonroe Metric Polyurethane O-Rings are a trusted choice for applications ranging from automotive systems to heavy machinery and beyond.

OneMonroe is committed to providing premium-quality products that meet the rigorous demands of our clients. Our polyurethane O-rings undergo stringent quality checks and are manufactured to exact specifications, ensuring reliable performance in diverse environments. As a trusted provider of industrial and engineering components, we support our clients with expert guidance and a wide selection of high-quality sealing solutions. When you choose OneMonroe Metric Polyurethane O-Rings, you’re investing in dependable performance, longevity, and efficiency for all your sealing needs.

For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.

Item #	IntegrationID	Type	Material	Cross Reference	Cross Section Width	Durometer	Inside Diameter
21.59 X 5.33 U-70	N/A 138783	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 316	N/A 5.33 mm	N/A 70	N/A 21.59 mm
19.99 X 5.33 U-70	N/A 138560	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 315	N/A 5.33 mm	N/A 70	N/A 19.99 mm
18.42 X 5.33 U-70	N/A 138449	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 314	N/A 5.33 mm	N/A 70	N/A 18.42 mm
16.81 X 5.33 U-70	N/A 138249	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 313	N/A 5.33 mm	N/A 70	N/A 16.81 mm
15.24 X 5.33 U-70	N/A 138129	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 312	N/A 5.33 mm	N/A 70	N/A 15.24 mm
13.64 X 5.33 U-70	N/A 137889	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 311	N/A 5.33 mm	N/A 70	N/A 13.64 mm
12.07 X 5.33 U-70	N/A 137738	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 310	N/A 5.33 mm	N/A 70	N/A 12.07 mm
44.17 X 1.78 U-70	N/A 140363	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 31	N/A 1.78 mm	N/A 70	N/A 44.17 mm
10.46 X 5.33 U-70	N/A 137469	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 309	N/A 5.33 mm	N/A 70	N/A 10.46 mm
41 X 1.78 U-70	N/A 140218	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 30	N/A 1.78 mm	N/A 70	N/A 41.00 mm
1.42 X 1.52 U-70	N/A 137445	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 3	N/A 1.52 mm	N/A 70	N/A 1.42 mm
37.82 X 1.78 U-70	N/A 139981	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 29	N/A 1.78 mm	N/A 70	N/A 37.82 mm
456.06 X 3.53 U-70	N/A 140421	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 284	N/A 3.53 mm	N/A 70	N/A 456.06 mm
430.66 X 3.53 U-70	N/A 140329	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 283	N/A 3.53 mm	N/A 70	N/A 430.66 mm
405.26 X 3.53 U-70	N/A 140206	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 282	N/A 3.53 mm	N/A 70	N/A 405.26 mm
380.59 X 3.53 U-70	N/A 140045	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 281	N/A 3.53 mm	N/A 70	N/A 380.59 mm
355.19 X 3.53 U-70	N/A 139876	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 280	N/A 3.53 mm	N/A 70	N/A 355.19 mm
34.65 X 1.78 U-70	N/A 139788	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 28	N/A 1.78 mm	N/A 70	N/A 34.65 mm
329.79 X 3.53 U-70	N/A 139700	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 279	N/A 3.53 mm	N/A 70	N/A 329.79 mm
304.39 X 3.53 U-70	N/A 139548	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 278	N/A 3.53 mm	N/A 70	N/A 304.39 mm
291.69 X 3.53 U-70	N/A 139444	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 277	N/A 3.53 mm	N/A 70	N/A 291.69 mm
278.99 X 3.53 U-70	N/A 139333	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 276	N/A 3.53 mm	N/A 70	N/A 278.99 mm
266.29 X 3.53 U-70	N/A 139259	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 275	N/A 3.53 mm	N/A 70	N/A 266.29 mm
253.59 X 3.53 U-70	N/A 139174	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 274	N/A 3.53 mm	N/A 70	N/A 253.59 mm
247.24 X 3.53 U-70	N/A 139110	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 273	N/A 3.53 mm	N/A 70	N/A 247.24 mm

N/A
138783

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 316

N/A 5.33 mm

N/A 70

N/A 21.59 mm

19.99 X 5.33 U-70

N/A
138560

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 315

N/A 5.33 mm

N/A 70

N/A 19.99 mm

18.42 X 5.33 U-70

N/A
138449

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 314

N/A 5.33 mm

N/A 70

N/A 18.42 mm

16.81 X 5.33 U-70

N/A
138249

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 313

N/A 5.33 mm

N/A 70

N/A 16.81 mm

15.24 X 5.33 U-70

N/A
138129

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 312

N/A 5.33 mm

N/A 70

N/A 15.24 mm

13.64 X 5.33 U-70

N/A
137889

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 311

N/A 5.33 mm

N/A 70

N/A 13.64 mm

12.07 X 5.33 U-70

N/A
137738

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 310

N/A 5.33 mm

N/A 70

N/A 12.07 mm

44.17 X 1.78 U-70

N/A
140363

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 31

N/A 1.78 mm

N/A 70

N/A 44.17 mm

10.46 X 5.33 U-70

N/A
137469

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 309

N/A 5.33 mm

N/A 70

N/A 10.46 mm

41 X 1.78 U-70

N/A
140218

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 30

N/A 1.78 mm

N/A 70

N/A 41.00 mm

1.42 X 1.52 U-70

N/A
137445

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 3

N/A 1.52 mm

N/A 70

N/A 1.42 mm

37.82 X 1.78 U-70

N/A
139981

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 29

N/A 1.78 mm

N/A 70

N/A 37.82 mm

456.06 X 3.53 U-70

N/A
140421

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 284

N/A 3.53 mm

N/A 70

N/A 456.06 mm

430.66 X 3.53 U-70

N/A
140329

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 283

N/A 3.53 mm

N/A 70

N/A 430.66 mm

405.26 X 3.53 U-70

N/A
140206

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 282

N/A 3.53 mm

N/A 70

N/A 405.26 mm

380.59 X 3.53 U-70

N/A
140045

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 281

N/A 3.53 mm

N/A 70

N/A 380.59 mm

355.19 X 3.53 U-70

N/A
139876

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 280

N/A 3.53 mm

N/A 70

N/A 355.19 mm

34.65 X 1.78 U-70

N/A
139788

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 28

N/A 1.78 mm

N/A 70

N/A 34.65 mm

329.79 X 3.53 U-70

N/A
139700

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 279

N/A 3.53 mm

N/A 70

N/A 329.79 mm

304.39 X 3.53 U-70

N/A
139548

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 278

N/A 3.53 mm

N/A 70

N/A 304.39 mm

291.69 X 3.53 U-70

N/A
139444

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 277

N/A 3.53 mm

N/A 70

N/A 291.69 mm

278.99 X 3.53 U-70

N/A
139333

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 276

N/A 3.53 mm

N/A 70

N/A 278.99 mm

266.29 X 3.53 U-70

N/A
139259

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 275

N/A 3.53 mm

N/A 70

N/A 266.29 mm

253.59 X 3.53 U-70

N/A
139174

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 274

N/A 3.53 mm

N/A 70

N/A 253.59 mm

247.24 X 3.53 U-70

N/A
139110

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 273

N/A 3.53 mm

N/A 70

N/A 247.24 mm