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
481.46 X 5.33 U-70	N/A 140511	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 388	N/A 5.33 mm	N/A 70	N/A 481.46 mm
456.06 X 5.33 U-70	N/A 140422	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 387	N/A 5.33 mm	N/A 70	N/A 456.06 mm
430.66 X 5.33 U-70	N/A 140330	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 386	N/A 5.33 mm	N/A 70	N/A 430.66 mm
405.26 X 5.33 U-70	N/A 140207	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 385	N/A 5.33 mm	N/A 70	N/A 405.26 mm
380.37 X 5.33 U-70	N/A 140043	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 384	N/A 5.33 mm	N/A 70	N/A 380.37 mm
354.97 X 5.33 U-70	N/A 139869	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 383	N/A 5.33 mm	N/A 70	N/A 354.97 mm
329.55 X 5.33 U-70	N/A 139698	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 382	N/A 5.33 mm	N/A 70	N/A 329.55 mm
304.17 X 5.33 U-70	N/A 139546	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 381	N/A 5.33 mm	N/A 70	N/A 304.17 mm
291.47 X 5.33 U-70	N/A 139442	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 380	N/A 5.33 mm	N/A 70	N/A 291.47 mm
66.4 X 1.78 U-70	N/A 140952	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 38	N/A 1.78 mm	N/A 70	N/A 66.40 mm
278.77 X 5.33 U-70	N/A 139331	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 379	N/A 5.33 mm	N/A 70	N/A 278.77 mm
266.07 X 5.33 U-70	N/A 139257	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 378	N/A 5.33 mm	N/A 70	N/A 266.07 mm
253.37 X 5.33 U-70	N/A 139172	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 377	N/A 5.33 mm	N/A 70	N/A 253.37 mm
227.97 X 5.33 U-70	N/A 138929	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 373	N/A 5.33 mm	N/A 70	N/A 227.97 mm
208.92 X 5.33 U-70	N/A 138748	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 370	N/A 5.33 mm	N/A 70	N/A 208.92 mm
63.22 X 1.78 U-70	N/A 140895	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 37	N/A 1.78 mm	N/A 70	N/A 63.22 mm
202.57 X 5.33 U-70	N/A 138706	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 369	N/A 5.33 mm	N/A 70	N/A 202.57 mm
196.22 X 5.33 U-70	N/A 138612	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 368	N/A 5.33 mm	N/A 70	N/A 196.22 mm
189.87 X 5.33 U-70	N/A 138531	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 367	N/A 5.33 mm	N/A 70	N/A 189.87 mm
532.26 X 6.99 U-70	N/A 140676	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 36617	N/A 6.99 mm	N/A 70	N/A 532.26 mm
183.52 X 5.33 U-70	N/A 138485	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 366	N/A 5.33 mm	N/A 70	N/A 183.52 mm
177.17 X 5.33 U-70	N/A 138414	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 365	N/A 5.33 mm	N/A 70	N/A 177.17 mm
170.82 X 5.33 U-70	N/A 138366	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 364	N/A 5.33 mm	N/A 70	N/A 170.82 mm
164.47 X 5.33 U-70	N/A 138286	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 363	N/A 5.33 mm	N/A 70	N/A 164.47 mm
158.12 X 5.33 U-70	N/A 138212	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 362	N/A 5.33 mm	N/A 70	N/A 158.12 mm

N/A
140511

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 388

N/A 5.33 mm

N/A 70

N/A 481.46 mm

456.06 X 5.33 U-70

N/A
140422

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 387

N/A 5.33 mm

N/A 70

N/A 456.06 mm

430.66 X 5.33 U-70

N/A
140330

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 386

N/A 5.33 mm

N/A 70

N/A 430.66 mm

405.26 X 5.33 U-70

N/A
140207

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 385

N/A 5.33 mm

N/A 70

N/A 405.26 mm

380.37 X 5.33 U-70

N/A
140043

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 384

N/A 5.33 mm

N/A 70

N/A 380.37 mm

354.97 X 5.33 U-70

N/A
139869

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 383

N/A 5.33 mm

N/A 70

N/A 354.97 mm

329.55 X 5.33 U-70

N/A
139698

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 382

N/A 5.33 mm

N/A 70

N/A 329.55 mm

304.17 X 5.33 U-70

N/A
139546

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 381

N/A 5.33 mm

N/A 70

N/A 304.17 mm

291.47 X 5.33 U-70

N/A
139442

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 380

N/A 5.33 mm

N/A 70

N/A 291.47 mm

66.4 X 1.78 U-70

N/A
140952

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 38

N/A 1.78 mm

N/A 70

N/A 66.40 mm

278.77 X 5.33 U-70

N/A
139331

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 379

N/A 5.33 mm

N/A 70

N/A 278.77 mm

266.07 X 5.33 U-70

N/A
139257

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 378

N/A 5.33 mm

N/A 70

N/A 266.07 mm

253.37 X 5.33 U-70

N/A
139172

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 377

N/A 5.33 mm

N/A 70

N/A 253.37 mm

227.97 X 5.33 U-70

N/A
138929

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 373

N/A 5.33 mm

N/A 70

N/A 227.97 mm

208.92 X 5.33 U-70

N/A
138748

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 370

N/A 5.33 mm

N/A 70

N/A 208.92 mm

63.22 X 1.78 U-70

N/A
140895

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 37

N/A 1.78 mm

N/A 70

N/A 63.22 mm

202.57 X 5.33 U-70

N/A
138706

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 369

N/A 5.33 mm

N/A 70

N/A 202.57 mm

196.22 X 5.33 U-70

N/A
138612

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 368

N/A 5.33 mm

N/A 70

N/A 196.22 mm

189.87 X 5.33 U-70

N/A
138531

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 367

N/A 5.33 mm

N/A 70

N/A 189.87 mm

532.26 X 6.99 U-70

N/A
140676

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 36617

N/A 6.99 mm

N/A 70

N/A 532.26 mm

183.52 X 5.33 U-70

N/A
138485

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 366

N/A 5.33 mm

N/A 70

N/A 183.52 mm

177.17 X 5.33 U-70

N/A
138414

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 365

N/A 5.33 mm

N/A 70

N/A 177.17 mm

170.82 X 5.33 U-70

N/A
138366

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 364

N/A 5.33 mm

N/A 70

N/A 170.82 mm

164.47 X 5.33 U-70

N/A
138286

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 363

N/A 5.33 mm

N/A 70

N/A 164.47 mm

158.12 X 5.33 U-70

N/A
138212

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 362

N/A 5.33 mm

N/A 70

N/A 158.12 mm