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
52 X 3.5 U-70	N/A 140639	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.50 mm	N/A 70	N/A 52.00 mm
52 X 4 U-70	N/A 140640	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 4.00 mm	N/A 70	N/A 52.00 mm
52 X 5 U-70	N/A 140641	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 5.00 mm	N/A 70	N/A 52.00 mm
52 X 6 U-70	N/A 140642	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 6.00 mm	N/A 70	N/A 52.00 mm
52.2 X 5.7 U-70	N/A 140644	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 5.70 mm	N/A 70	N/A 52.20 mm
52.3 X 5.7 U-70	N/A 140645	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 5.70 mm	N/A 70	N/A 52.30 mm
52.5 X 5.7 U-70	N/A 140648	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 5.70 mm	N/A 70	N/A 52.50 mm
520 X 8 U-70	N/A 140650	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 8.00 mm	N/A 70	N/A 520.00 mm
529.3 X 5.7 U-70	N/A 140652	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 5.70 mm	N/A 70	N/A 529.30 mm
53 X 1.5 U-70	N/A 140653	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 1.50 mm	N/A 70	N/A 53.00 mm
53 X 2 U-70	N/A 140654	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 2.00 mm	N/A 70	N/A 53.00 mm
53 X 2.5 U-70	N/A 140655	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 2.50 mm	N/A 70	N/A 53.00 mm
53 X 3 U-70	N/A 140656	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.00 mm	N/A 70	N/A 53.00 mm
53 X 3.5 U-70	N/A 140657	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.50 mm	N/A 70	N/A 53.00 mm
53 X 3.55 U-70	N/A 140658	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.55 mm	N/A 70	N/A 53.00 mm
53 X 4 U-70	N/A 140659	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 4.00 mm	N/A 70	N/A 53.00 mm
53 X 4.5 U-70	N/A 140660	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 4.50 mm	N/A 70	N/A 53.00 mm
53 X 5 U-70	N/A 140661	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 5.00 mm	N/A 70	N/A 53.00 mm
53 X 5.3 U-70	N/A 140662	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 5.30 mm	N/A 70	N/A 53.00 mm
53 X 5.7 U-70	N/A 140663	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 5.70 mm	N/A 70	N/A 53.00 mm
53 X 6 U-70	N/A 140664	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 6.00 mm	N/A 70	N/A 53.00 mm
53.5 X 1.2 U-70	N/A 140668	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 1.20 mm	N/A 70	N/A 53.50 mm
530 X 6 U-70	N/A 140673	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 6.00 mm	N/A 70	N/A 530.00 mm
530 X 7 U-70	N/A 140674	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 7.00 mm	N/A 70	N/A 530.00 mm
54 X 1.5 U-70	N/A 140677	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 1.50 mm	N/A 70	N/A 54.00 mm

N/A
140639

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.50 mm

N/A 70

N/A 52.00 mm

52 X 4 U-70

N/A
140640

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 4.00 mm

N/A 70

N/A 52.00 mm

52 X 5 U-70

N/A
140641

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 5.00 mm

N/A 70

N/A 52.00 mm

52 X 6 U-70

N/A
140642

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 6.00 mm

N/A 70

N/A 52.00 mm

52.2 X 5.7 U-70

N/A
140644

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 5.70 mm

N/A 70

N/A 52.20 mm

52.3 X 5.7 U-70

N/A
140645

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 5.70 mm

N/A 70

N/A 52.30 mm

52.5 X 5.7 U-70

N/A
140648

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 5.70 mm

N/A 70

N/A 52.50 mm

520 X 8 U-70

N/A
140650

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 8.00 mm

N/A 70

N/A 520.00 mm

529.3 X 5.7 U-70

N/A
140652

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 5.70 mm

N/A 70

N/A 529.30 mm

53 X 1.5 U-70

N/A
140653

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 1.50 mm

N/A 70

N/A 53.00 mm

53 X 2 U-70

N/A
140654

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 2.00 mm

N/A 70

N/A 53.00 mm

53 X 2.5 U-70

N/A
140655

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 2.50 mm

N/A 70

N/A 53.00 mm

53 X 3 U-70

N/A
140656

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.00 mm

N/A 70

N/A 53.00 mm

53 X 3.5 U-70

N/A
140657

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.50 mm

N/A 70

N/A 53.00 mm

53 X 3.55 U-70

N/A
140658

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.55 mm

N/A 70

N/A 53.00 mm

53 X 4 U-70

N/A
140659

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 4.00 mm

N/A 70

N/A 53.00 mm

53 X 4.5 U-70

N/A
140660

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 4.50 mm

N/A 70

N/A 53.00 mm

53 X 5 U-70

N/A
140661

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 5.00 mm

N/A 70

N/A 53.00 mm

53 X 5.3 U-70

N/A
140662

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 5.30 mm

N/A 70

N/A 53.00 mm

53 X 5.7 U-70

N/A
140663

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 5.70 mm

N/A 70

N/A 53.00 mm

53 X 6 U-70

N/A
140664

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 6.00 mm

N/A 70

N/A 53.00 mm

53.5 X 1.2 U-70

N/A
140668

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 1.20 mm

N/A 70

N/A 53.50 mm

530 X 6 U-70

N/A
140673

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 6.00 mm

N/A 70

N/A 530.00 mm

530 X 7 U-70

N/A
140674

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 7.00 mm

N/A 70

N/A 530.00 mm

54 X 1.5 U-70

N/A
140677

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 1.50 mm

N/A 70

N/A 54.00 mm