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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

Quantity
329.57 X 6.99 U-70 N/A
139699
N/A Metric Standard O-Ring N/A Polyurethane N/A 455 N/A 6.99 mm N/A 70 N/A 329.57 mm
316.87 X 6.99 U-70 N/A
139622
N/A Metric Standard O-Ring N/A Polyurethane N/A 454 N/A 6.99 mm N/A 70 N/A 316.87 mm
304.17 X 6.99 U-70 N/A
139547
N/A Metric Standard O-Ring N/A Polyurethane N/A 453 N/A 6.99 mm N/A 70 N/A 304.17 mm
291.47 X 6.99 U-70 N/A
139443
N/A Metric Standard O-Ring N/A Polyurethane N/A 452 N/A 6.99 mm N/A 70 N/A 291.47 mm
278.77 X 6.99 U-70 N/A
139332
N/A Metric Standard O-Ring N/A Polyurethane N/A 451 N/A 6.99 mm N/A 70 N/A 278.77 mm
266.07 X 6.99 U-70 N/A
139258
N/A Metric Standard O-Ring N/A Polyurethane N/A 450 N/A 6.99 mm N/A 70 N/A 266.07 mm
101.32 X 1.78 U-70 N/A
137508
N/A Metric Standard O-Ring N/A Polyurethane N/A 45 N/A 1.78 mm N/A 70 N/A 101.32 mm
253.37 X 6.99 U-70 N/A
139173
N/A Metric Standard O-Ring N/A Polyurethane N/A 4491 N/A 6.99 mm N/A 70 N/A 253.37 mm
240.67 X 6.99 U-70 N/A
139071
N/A Metric Standard O-Ring N/A Polyurethane N/A 448 N/A 6.99 mm N/A 70 N/A 240.67 mm
227.97 X 6.99 U-70 N/A
138930
N/A Metric Standard O-Ring N/A Polyurethane N/A 447 N/A 6.99 mm N/A 70 N/A 227.97 mm
215.27 X 6.99 U-70 N/A
138823
N/A Metric Standard O-Ring N/A Polyurethane N/A 446 N/A 6.99 mm N/A 70 N/A 215.27 mm
202.57 X 6.99 U-70 N/A
138707
N/A Metric Standard O-Ring N/A Polyurethane N/A 445 N/A 6.99 mm N/A 70 N/A 202.57 mm
196.22 X 6.99 U-70 N/A
138613
N/A Metric Standard O-Ring N/A Polyurethane N/A 444 N/A 6.99 mm N/A 70 N/A 196.22 mm
189.87 X 6.99 U-70 N/A
138532
N/A Metric Standard O-Ring N/A Polyurethane N/A 443 N/A 6.99 mm N/A 70 N/A 189.87 mm
183.52 X 6.99 U-70 N/A
138486
N/A Metric Standard O-Ring N/A Polyurethane N/A 442 N/A 6.99 mm N/A 70 N/A 183.52 mm
177.17 X 6.99 U-70 N/A
138415
N/A Metric Standard O-Ring N/A Polyurethane N/A 441 N/A 6.99 mm N/A 70 N/A 177.17 mm
170.82 X 6.99 U-70 N/A
138367
N/A Metric Standard O-Ring N/A Polyurethane N/A 440 N/A 6.99 mm N/A 70 N/A 170.82 mm
94.97 X 1.78 U-70 N/A
141452
N/A Metric Standard O-Ring N/A Polyurethane N/A 44 N/A 1.78 mm N/A 70 N/A 94.97 mm
164.47 X 6.99 U-70 N/A
138287
N/A Metric Standard O-Ring N/A Polyurethane N/A 439 N/A 6.99 mm N/A 70 N/A 164.47 mm
158.12 X 6.99 U-70 N/A
138213
N/A Metric Standard O-Ring N/A Polyurethane N/A 438 N/A 6.99 mm N/A 70 N/A 158.12 mm
151.77 X 6.99 U-70 N/A
138161
N/A Metric Standard O-Ring N/A Polyurethane N/A 437 N/A 6.99 mm N/A 70 N/A 151.77 mm
148.59 X 6.99 U-70 N/A
138098
N/A Metric Standard O-Ring N/A Polyurethane N/A 436 N/A 6.99 mm N/A 70 N/A 148.59 mm
145.42 X 6.99 U-70 N/A
138074
N/A Metric Standard O-Ring N/A Polyurethane N/A 435 N/A 6.99 mm N/A 70 N/A 145.42 mm
142.24 X 6.99 U-70 N/A
138042
N/A Metric Standard O-Ring N/A Polyurethane N/A 434 N/A 6.99 mm N/A 70 N/A 142.24 mm
139.07 X 6.99 U-70 N/A
137983
N/A Metric Standard O-Ring N/A Polyurethane N/A 433 N/A 6.99 mm N/A 70 N/A 139.07 mm
Unit of Measure
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