• Metric 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.

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Material

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Cross Section Width

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Inside Diameter

Product Guides

N/A
140511 		N/A Metric Standard O-Ring N/A Polyurethane N/A 388 N/A 5.33 mm N/A 70 N/A 481.46 mm N/A Seal Guides
N/A
140422 		N/A Metric Standard O-Ring N/A Polyurethane N/A 387 N/A 5.33 mm N/A 70 N/A 456.06 mm N/A Seal Guides
N/A
140330 		N/A Metric Standard O-Ring N/A Polyurethane N/A 386 N/A 5.33 mm N/A 70 N/A 430.66 mm N/A Seal Guides
N/A
140207 		N/A Metric Standard O-Ring N/A Polyurethane N/A 385 N/A 5.33 mm N/A 70 N/A 405.26 mm N/A Seal Guides
N/A
140043 		N/A Metric Standard O-Ring N/A Polyurethane N/A 384 N/A 5.33 mm N/A 70 N/A 380.37 mm N/A Seal Guides
N/A
139869 		N/A Metric Standard O-Ring N/A Polyurethane N/A 383 N/A 5.33 mm N/A 70 N/A 354.97 mm N/A Seal Guides
N/A
139698 		N/A Metric Standard O-Ring N/A Polyurethane N/A 382 N/A 5.33 mm N/A 70 N/A 329.55 mm N/A Seal Guides
N/A
139546 		N/A Metric Standard O-Ring N/A Polyurethane N/A 381 N/A 5.33 mm N/A 70 N/A 304.17 mm N/A Seal Guides
N/A
139442 		N/A Metric Standard O-Ring N/A Polyurethane N/A 380 N/A 5.33 mm N/A 70 N/A 291.47 mm N/A Seal Guides
N/A
140952 		N/A Metric Standard O-Ring N/A Polyurethane N/A 38 N/A 1.78 mm N/A 70 N/A 66.40 mm N/A Seal Guides
N/A
139331 		N/A Metric Standard O-Ring N/A Polyurethane N/A 379 N/A 5.33 mm N/A 70 N/A 278.77 mm N/A Seal Guides
N/A
139257 		N/A Metric Standard O-Ring N/A Polyurethane N/A 378 N/A 5.33 mm N/A 70 N/A 266.07 mm N/A Seal Guides
N/A
139172 		N/A Metric Standard O-Ring N/A Polyurethane N/A 377 N/A 5.33 mm N/A 70 N/A 253.37 mm N/A Seal Guides
N/A
138929 		N/A Metric Standard O-Ring N/A Polyurethane N/A 373 N/A 5.33 mm N/A 70 N/A 227.97 mm N/A Seal Guides
N/A
138748 		N/A Metric Standard O-Ring N/A Polyurethane N/A 370 N/A 5.33 mm N/A 70 N/A 208.92 mm N/A Seal Guides
N/A
140895 		N/A Metric Standard O-Ring N/A Polyurethane N/A 37 N/A 1.78 mm N/A 70 N/A 63.22 mm N/A Seal Guides
N/A
138706 		N/A Metric Standard O-Ring N/A Polyurethane N/A 369 N/A 5.33 mm N/A 70 N/A 202.57 mm N/A Seal Guides
N/A
138612 		N/A Metric Standard O-Ring N/A Polyurethane N/A 368 N/A 5.33 mm N/A 70 N/A 196.22 mm N/A Seal Guides
N/A
138531 		N/A Metric Standard O-Ring N/A Polyurethane N/A 367 N/A 5.33 mm N/A 70 N/A 189.87 mm N/A Seal Guides
N/A
140676 		N/A Metric Standard O-Ring N/A Polyurethane N/A 36617 N/A 6.99 mm N/A 70 N/A 532.26 mm N/A Seal Guides
N/A
138485 		N/A Metric Standard O-Ring N/A Polyurethane N/A 366 N/A 5.33 mm N/A 70 N/A 183.52 mm N/A Seal Guides
N/A
138414 		N/A Metric Standard O-Ring N/A Polyurethane N/A 365 N/A 5.33 mm N/A 70 N/A 177.17 mm N/A Seal Guides
N/A
138366 		N/A Metric Standard O-Ring N/A Polyurethane N/A 364 N/A 5.33 mm N/A 70 N/A 170.82 mm N/A Seal Guides
N/A
138286 		N/A Metric Standard O-Ring N/A Polyurethane N/A 363 N/A 5.33 mm N/A 70 N/A 164.47 mm N/A Seal Guides
N/A
138212 		N/A Metric Standard O-Ring N/A Polyurethane N/A 362 N/A 5.33 mm N/A 70 N/A 158.12 mm N/A Seal Guides
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