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
288 X 6 U-70	N/A 139399	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 6.00 mm	N/A 70	N/A 288.00 mm
289 X 3.5 U-70	N/A 139400	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.50 mm	N/A 70	N/A 289.00 mm
289 X 4 U-70	N/A 139401	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 4.00 mm	N/A 70	N/A 289.00 mm
289 X 5 U-70	N/A 139402	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 5.00 mm	N/A 70	N/A 289.00 mm
29 X 1.5 U-70	N/A 139405	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 1.50 mm	N/A 70	N/A 29.00 mm
29 X 2 U-70	N/A 139406	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 2.00 mm	N/A 70	N/A 29.00 mm
29 X 2.5 U-70	N/A 139407	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 2.50 mm	N/A 70	N/A 29.00 mm
29 X 3 U-70	N/A 139408	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.00 mm	N/A 70	N/A 29.00 mm
29 X 3.5 U-70	N/A 139409	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.50 mm	N/A 70	N/A 29.00 mm
29 X 4 U-70	N/A 139410	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 4.00 mm	N/A 70	N/A 29.00 mm
29 X 4.5 U-70	N/A 139411	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 4.50 mm	N/A 70	N/A 29.00 mm
29 X 5 U-70	N/A 139412	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 5.00 mm	N/A 70	N/A 29.00 mm
29 X 6 U-70	N/A 139413	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 6.00 mm	N/A 70	N/A 29.00 mm
29.1 X 1.6 U-70	N/A 139414	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 1.60 mm	N/A 70	N/A 29.10 mm
29.1 X 2.55 U-70	N/A 139415	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 2.55 mm	N/A 70	N/A 29.10 mm
29.2 X 3 U-70	N/A 139416	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.00 mm	N/A 70	N/A 29.20 mm
29.3 X 3.6 U-70	N/A 139418	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.60 mm	N/A 70	N/A 29.30 mm
29.4 X 1 U-70	N/A 139419	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 1.00 mm	N/A 70	N/A 29.40 mm
29.5 X 1.5 U-70	N/A 139421	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 1.50 mm	N/A 70	N/A 29.50 mm
29.5 X 2.5 U-70	N/A 139423	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 2.50 mm	N/A 70	N/A 29.50 mm
29.5 X 3 U-70	N/A 139424	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.00 mm	N/A 70	N/A 29.50 mm
29.5 X 4.5 U-70	N/A 139425	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 4.50 mm	N/A 70	N/A 29.50 mm
29.6 X 2.4 U-70	N/A 139427	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 2.40 mm	N/A 70	N/A 29.60 mm
29.9 X 1 U-70	N/A 139433	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 1.00 mm	N/A 70	N/A 29.90 mm
290 X 3.5 U-70	N/A 139434	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.50 mm	N/A 70	N/A 290.00 mm

N/A
139399

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 6.00 mm

N/A 70

N/A 288.00 mm

289 X 3.5 U-70

N/A
139400

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.50 mm

N/A 70

N/A 289.00 mm

289 X 4 U-70

N/A
139401

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 4.00 mm

N/A 70

N/A 289.00 mm

289 X 5 U-70

N/A
139402

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 5.00 mm

N/A 70

N/A 289.00 mm

29 X 1.5 U-70

N/A
139405

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 1.50 mm

N/A 70

N/A 29.00 mm

29 X 2 U-70

N/A
139406

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 2.00 mm

N/A 70

N/A 29.00 mm

29 X 2.5 U-70

N/A
139407

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 2.50 mm

N/A 70

N/A 29.00 mm

29 X 3 U-70

N/A
139408

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.00 mm

N/A 70

N/A 29.00 mm

29 X 3.5 U-70

N/A
139409

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.50 mm

N/A 70

N/A 29.00 mm

29 X 4 U-70

N/A
139410

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 4.00 mm

N/A 70

N/A 29.00 mm

29 X 4.5 U-70

N/A
139411

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 4.50 mm

N/A 70

N/A 29.00 mm

29 X 5 U-70

N/A
139412

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 5.00 mm

N/A 70

N/A 29.00 mm

29 X 6 U-70

N/A
139413

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 6.00 mm

N/A 70

N/A 29.00 mm

29.1 X 1.6 U-70

N/A
139414

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 1.60 mm

N/A 70

N/A 29.10 mm

29.1 X 2.55 U-70

N/A
139415

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 2.55 mm

N/A 70

N/A 29.10 mm

29.2 X 3 U-70

N/A
139416

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.00 mm

N/A 70

N/A 29.20 mm

29.3 X 3.6 U-70

N/A
139418

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.60 mm

N/A 70

N/A 29.30 mm

29.4 X 1 U-70

N/A
139419

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 1.00 mm

N/A 70

N/A 29.40 mm

29.5 X 1.5 U-70

N/A
139421

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 1.50 mm

N/A 70

N/A 29.50 mm

29.5 X 2.5 U-70

N/A
139423

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 2.50 mm

N/A 70

N/A 29.50 mm

29.5 X 3 U-70

N/A
139424

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.00 mm

N/A 70

N/A 29.50 mm

29.5 X 4.5 U-70

N/A
139425

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 4.50 mm

N/A 70

N/A 29.50 mm

29.6 X 2.4 U-70

N/A
139427

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 2.40 mm

N/A 70

N/A 29.60 mm

29.9 X 1 U-70

N/A
139433

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 1.00 mm

N/A 70

N/A 29.90 mm

290 X 3.5 U-70

N/A
139434

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.50 mm

N/A 70

N/A 290.00 mm