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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.

Metric O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Reference

Cross Section Width

Durometer

Inside Diameter

Product Guides

Quantity
133.07 X 1.78 U-70 N/A
137927
N/A Metric Standard O-Ring N/A Polyurethane N/A 50 N/A 1.78 mm N/A 70 N/A 133.07 mm N/A Seal Guides
2.57 X 1.78 U-70 N/A
138650
N/A Metric Standard O-Ring N/A Polyurethane N/A 5 N/A 1.78 mm N/A 70 N/A 2.57 mm N/A Seal Guides
126.72 X 1.78 U-70 N/A
137832
N/A Metric Standard O-Ring N/A Polyurethane N/A 49 N/A 1.78 mm N/A 70 N/A 126.72 mm N/A Seal Guides
120.37 X 1.78 U-70 N/A
137768
N/A Metric Standard O-Ring N/A Polyurethane N/A 48 N/A 1.78 mm N/A 70 N/A 120.37 mm N/A Seal Guides
658.85 X 6.99 U-70 N/A
140936
N/A Metric Standard O-Ring N/A Polyurethane N/A 475 N/A 6.99 mm N/A 70 N/A 658.85 mm N/A Seal Guides
633.5 X 6.99 U-70 N/A
140902
N/A Metric Standard O-Ring N/A Polyurethane N/A 474 N/A 6.99 mm N/A 70 N/A 633.50 mm N/A Seal Guides
608.1 X 6.99 U-70 N/A
140846
N/A Metric Standard O-Ring N/A Polyurethane N/A 473 N/A 6.99 mm N/A 70 N/A 608.10 mm N/A Seal Guides
582.65 X 6.99 U-70 N/A
140774
N/A Metric Standard O-Ring N/A Polyurethane N/A 472 N/A 6.99 mm N/A 70 N/A 582.65 mm N/A Seal Guides
557.66 X 6.99 U-70 N/A
140721
N/A Metric Standard O-Ring N/A Polyurethane N/A 471 N/A 6.99 mm N/A 70 N/A 557.66 mm N/A Seal Guides
114.02 X 1.78 U-70 N/A
137669
N/A Metric Standard O-Ring N/A Polyurethane N/A 47 N/A 1.78 mm N/A 70 N/A 114.02 mm N/A Seal Guides
506.86 X 6.99 U-70 N/A
140613
N/A Metric Standard O-Ring N/A Polyurethane N/A 469 N/A 6.99 mm N/A 70 N/A 506.86 mm N/A Seal Guides
494.16 X 6.99 U-70 N/A
140551
N/A Metric Standard O-Ring N/A Polyurethane N/A 468 N/A 6.99 mm N/A 70 N/A 494.16 mm N/A Seal Guides
481.46 X 6.99 U-70 N/A
140512
N/A Metric Standard O-Ring N/A Polyurethane N/A 467 N/A 6.99 mm N/A 70 N/A 481.46 mm N/A Seal Guides
468.76 X 6.99 U-70 N/A
140455
N/A Metric Standard O-Ring N/A Polyurethane N/A 466 N/A 6.99 mm N/A 70 N/A 468.76 mm N/A Seal Guides
456.06 X 6.99 U-70 N/A
140423
N/A Metric Standard O-Ring N/A Polyurethane N/A 465 N/A 6.99 mm N/A 70 N/A 456.06 mm N/A Seal Guides
443.36 X 6.99 U-70 N/A
140380
N/A Metric Standard O-Ring N/A Polyurethane N/A 464 N/A 6.99 mm N/A 70 N/A 443.36 mm N/A Seal Guides
430.66 X 6.99 U-70 N/A
140331
N/A Metric Standard O-Ring N/A Polyurethane N/A 463 N/A 6.99 mm N/A 70 N/A 430.66 mm N/A Seal Guides
417.96 X 6.99 U-70 N/A
140257
N/A Metric Standard O-Ring N/A Polyurethane N/A 462 N/A 6.99 mm N/A 70 N/A 417.96 mm N/A Seal Guides
405.26 X 6.99 U-70 N/A
140208
N/A Metric Standard O-Ring N/A Polyurethane N/A 461 N/A 6.99 mm N/A 70 N/A 405.26 mm N/A Seal Guides
393.07 X 6.99 U-70 N/A
140117
N/A Metric Standard O-Ring N/A Polyurethane N/A 460 N/A 6.99 mm N/A 70 N/A 393.07 mm N/A Seal Guides
107.67 X 1.78 U-70 N/A
137572
N/A Metric Standard O-Ring N/A Polyurethane N/A 46 N/A 1.78 mm N/A 70 N/A 107.67 mm N/A Seal Guides
380.37 X 6.99 U-70 N/A
140044
N/A Metric Standard O-Ring N/A Polyurethane N/A 459 N/A 6.99 mm N/A 70 N/A 380.37 mm N/A Seal Guides
367.67 X 6.99 U-70 N/A
139946
N/A Metric Standard O-Ring N/A Polyurethane N/A 458 N/A 6.99 mm N/A 70 N/A 367.67 mm N/A Seal Guides
354.97 X 6.99 U-70 N/A
139870
N/A Metric Standard O-Ring N/A Polyurethane N/A 457 N/A 6.99 mm N/A 70 N/A 354.97 mm N/A Seal Guides
342.27 X 6.99 U-70 N/A
139801
N/A Metric Standard O-Ring N/A Polyurethane N/A 456 N/A 6.99 mm N/A 70 N/A 342.27 mm N/A Seal Guides
Unit of Measure
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