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
329 X 4 U-70	N/A 139695	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 4.00 mm	N/A 70	N/A 329.00 mm
329 X 5 U-70	N/A 139696	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 5.00 mm	N/A 70	N/A 329.00 mm
329.3 X 5.7 U-70	N/A 139697	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 5.70 mm	N/A 70	N/A 329.30 mm
33 X 1.5 U-70	N/A 139701	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 1.50 mm	N/A 70	N/A 33.00 mm
33 X 2 U-70	N/A 139702	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 2.00 mm	N/A 70	N/A 33.00 mm
33 X 2.5 U-70	N/A 139703	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 2.50 mm	N/A 70	N/A 33.00 mm
33 X 3 U-70	N/A 139704	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.00 mm	N/A 70	N/A 33.00 mm
33 X 3.5 U-70	N/A 139705	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.50 mm	N/A 70	N/A 33.00 mm
33 X 4 U-70	N/A 139706	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 4.00 mm	N/A 70	N/A 33.00 mm
33 X 4.5 U-70	N/A 139707	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 4.50 mm	N/A 70	N/A 33.00 mm
33 X 5 U-70	N/A 139708	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 5.00 mm	N/A 70	N/A 33.00 mm
33 X 6 U-70	N/A 139709	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 6.00 mm	N/A 70	N/A 33.00 mm
33.3 X 2.4 U-70	N/A 139711	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 2.40 mm	N/A 70	N/A 33.30 mm
33.5 X 1.5 U-70	N/A 139712	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 1.50 mm	N/A 70	N/A 33.50 mm
33.5 X 2.5 U-70	N/A 139714	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 2.50 mm	N/A 70	N/A 33.50 mm
33.5 X 2.65 U-70	N/A 139715	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 2.65 mm	N/A 70	N/A 33.50 mm
33.5 X 3 U-70	N/A 139716	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.00 mm	N/A 70	N/A 33.50 mm
33.5 X 3.55 U-70	N/A 139717	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.55 mm	N/A 70	N/A 33.50 mm
330 X 10 U-70	N/A 139720	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 10.00 mm	N/A 70	N/A 330.00 mm
330 X 3.5 U-70	N/A 139721	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.50 mm	N/A 70	N/A 330.00 mm
330 X 4 U-70	N/A 139722	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 4.00 mm	N/A 70	N/A 330.00 mm
330 X 5 U-70	N/A 139723	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 5.00 mm	N/A 70	N/A 330.00 mm
330 X 6 U-70	N/A 139724	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 6.00 mm	N/A 70	N/A 330.00 mm
330 X 8 U-70	N/A 139725	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 8.00 mm	N/A 70	N/A 330.00 mm
331 X 3.5 U-70	N/A 139726	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.50 mm	N/A 70	N/A 331.00 mm

N/A
139695

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 4.00 mm

N/A 70

N/A 329.00 mm

329 X 5 U-70

N/A
139696

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 5.00 mm

N/A 70

N/A 329.00 mm

329.3 X 5.7 U-70

N/A
139697

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 5.70 mm

N/A 70

N/A 329.30 mm

33 X 1.5 U-70

N/A
139701

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 1.50 mm

N/A 70

N/A 33.00 mm

33 X 2 U-70

N/A
139702

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 2.00 mm

N/A 70

N/A 33.00 mm

33 X 2.5 U-70

N/A
139703

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 2.50 mm

N/A 70

N/A 33.00 mm

33 X 3 U-70

N/A
139704

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.00 mm

N/A 70

N/A 33.00 mm

33 X 3.5 U-70

N/A
139705

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.50 mm

N/A 70

N/A 33.00 mm

33 X 4 U-70

N/A
139706

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 4.00 mm

N/A 70

N/A 33.00 mm

33 X 4.5 U-70

N/A
139707

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 4.50 mm

N/A 70

N/A 33.00 mm

33 X 5 U-70

N/A
139708

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 5.00 mm

N/A 70

N/A 33.00 mm

33 X 6 U-70

N/A
139709

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 6.00 mm

N/A 70

N/A 33.00 mm

33.3 X 2.4 U-70

N/A
139711

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 2.40 mm

N/A 70

N/A 33.30 mm

33.5 X 1.5 U-70

N/A
139712

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 1.50 mm

N/A 70

N/A 33.50 mm

33.5 X 2.5 U-70

N/A
139714

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 2.50 mm

N/A 70

N/A 33.50 mm

33.5 X 2.65 U-70

N/A
139715

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 2.65 mm

N/A 70

N/A 33.50 mm

33.5 X 3 U-70

N/A
139716

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.00 mm

N/A 70

N/A 33.50 mm

33.5 X 3.55 U-70

N/A
139717

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.55 mm

N/A 70

N/A 33.50 mm

330 X 10 U-70

N/A
139720

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 10.00 mm

N/A 70

N/A 330.00 mm

330 X 3.5 U-70

N/A
139721

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.50 mm

N/A 70

N/A 330.00 mm

330 X 4 U-70

N/A
139722

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 4.00 mm

N/A 70

N/A 330.00 mm

330 X 5 U-70

N/A
139723

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 5.00 mm

N/A 70

N/A 330.00 mm

330 X 6 U-70

N/A
139724

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 6.00 mm

N/A 70

N/A 330.00 mm

330 X 8 U-70

N/A
139725

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 8.00 mm

N/A 70

N/A 330.00 mm

331 X 3.5 U-70

N/A
139726

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.50 mm

N/A 70

N/A 331.00 mm