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
189 X 3 U-70	N/A 138521	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.00 mm	N/A 70	N/A 189.00 mm
189 X 3.5 U-70	N/A 138522	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.50 mm	N/A 70	N/A 189.00 mm
189 X 4 U-70	N/A 138523	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 4.00 mm	N/A 70	N/A 189.00 mm
189 X 5 U-70	N/A 138524	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 5.00 mm	N/A 70	N/A 189.00 mm
189.1 X 8.4 U-70	N/A 138525	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 8.40 mm	N/A 70	N/A 189.10 mm
189.2 X 5.7 U-70	N/A 138526	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 5.70 mm	N/A 70	N/A 189.20 mm
189.5 X 3 U-70	N/A 138528	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.00 mm	N/A 70	N/A 189.50 mm
189.5 X 4.5 U-70	N/A 138529	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 4.50 mm	N/A 70	N/A 189.50 mm
19 X 1 U-70	N/A 138533	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 1.00 mm	N/A 70	N/A 19.00 mm
19 X 1.5 U-70	N/A 138534	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 1.50 mm	N/A 70	N/A 19.00 mm
19 X 2 U-70	N/A 138535	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 2.00 mm	N/A 70	N/A 19.00 mm
19 X 2.5 U-70	N/A 138536	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 2.50 mm	N/A 70	N/A 19.00 mm
19 X 2.65 U-70	N/A 138537	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 2.65 mm	N/A 70	N/A 19.00 mm
19 X 3 U-70	N/A 138538	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.00 mm	N/A 70	N/A 19.00 mm
19 X 3.5 U-70	N/A 138539	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.50 mm	N/A 70	N/A 19.00 mm
19 X 3.55 U-70	N/A 138540	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.55 mm	N/A 70	N/A 19.00 mm
19 X 4 U-70	N/A 138541	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 4.00 mm	N/A 70	N/A 19.00 mm
19 X 4.5 U-70	N/A 138542	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 4.50 mm	N/A 70	N/A 19.00 mm
19 X 5 U-70	N/A 138543	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 5.00 mm	N/A 70	N/A 19.00 mm
19 X 6 U-70	N/A 138544	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 6.00 mm	N/A 70	N/A 19.00 mm
19.05 X 1.78 U-70	N/A 138545	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 1.78 mm	N/A 70	N/A 19.05 mm
19.1 X 1.6 U-70	N/A 138546	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 1.60 mm	N/A 70	N/A 19.10 mm
19.15 X 1.78 U-70	N/A 138547	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 1.78 mm	N/A 70	N/A 19.15 mm
19.2 X 3 U-70	N/A 138549	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.00 mm	N/A 70	N/A 19.20 mm
19.3 X 2.4 U-70	N/A 138550	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 2.40 mm	N/A 70	N/A 19.30 mm

N/A
138521

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.00 mm

N/A 70

N/A 189.00 mm

189 X 3.5 U-70

N/A
138522

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.50 mm

N/A 70

N/A 189.00 mm

189 X 4 U-70

N/A
138523

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 4.00 mm

N/A 70

N/A 189.00 mm

189 X 5 U-70

N/A
138524

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 5.00 mm

N/A 70

N/A 189.00 mm

189.1 X 8.4 U-70

N/A
138525

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 8.40 mm

N/A 70

N/A 189.10 mm

189.2 X 5.7 U-70

N/A
138526

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 5.70 mm

N/A 70

N/A 189.20 mm

189.5 X 3 U-70

N/A
138528

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.00 mm

N/A 70

N/A 189.50 mm

189.5 X 4.5 U-70

N/A
138529

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 4.50 mm

N/A 70

N/A 189.50 mm

19 X 1 U-70

N/A
138533

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 1.00 mm

N/A 70

N/A 19.00 mm

19 X 1.5 U-70

N/A
138534

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 1.50 mm

N/A 70

N/A 19.00 mm

19 X 2 U-70

N/A
138535

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 2.00 mm

N/A 70

N/A 19.00 mm

19 X 2.5 U-70

N/A
138536

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 2.50 mm

N/A 70

N/A 19.00 mm

19 X 2.65 U-70

N/A
138537

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 2.65 mm

N/A 70

N/A 19.00 mm

19 X 3 U-70

N/A
138538

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.00 mm

N/A 70

N/A 19.00 mm

19 X 3.5 U-70

N/A
138539

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.50 mm

N/A 70

N/A 19.00 mm

19 X 3.55 U-70

N/A
138540

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.55 mm

N/A 70

N/A 19.00 mm

19 X 4 U-70

N/A
138541

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 4.00 mm

N/A 70

N/A 19.00 mm

19 X 4.5 U-70

N/A
138542

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 4.50 mm

N/A 70

N/A 19.00 mm

19 X 5 U-70

N/A
138543

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 5.00 mm

N/A 70

N/A 19.00 mm

19 X 6 U-70

N/A
138544

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 6.00 mm

N/A 70

N/A 19.00 mm

19.05 X 1.78 U-70

N/A
138545

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 1.78 mm

N/A 70

N/A 19.05 mm

19.1 X 1.6 U-70

N/A
138546

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 1.60 mm

N/A 70

N/A 19.10 mm

19.15 X 1.78 U-70

N/A
138547

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 1.78 mm

N/A 70

N/A 19.15 mm

19.2 X 3 U-70

N/A
138549

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.00 mm

N/A 70

N/A 19.20 mm

19.3 X 2.4 U-70

N/A
138550

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 2.40 mm

N/A 70

N/A 19.30 mm