Monroe
OneMonroe
Locations Throughout the Country
ISO 9001:2015
Tel: (877) 740-2007
Fax: (800) 453-9683
Email: sales@askmonroe.com
Website: monroeengineering.com
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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
21.59 X 5.33 U-70 N/A
138783 		N/A Metric Standard O-Ring N/A Polyurethane N/A 316 N/A 5.33 mm N/A 70 N/A 21.59 mm N/A Seal Guides
19.99 X 5.33 U-70 N/A
138560 		N/A Metric Standard O-Ring N/A Polyurethane N/A 315 N/A 5.33 mm N/A 70 N/A 19.99 mm N/A Seal Guides
18.42 X 5.33 U-70 N/A
138449 		N/A Metric Standard O-Ring N/A Polyurethane N/A 314 N/A 5.33 mm N/A 70 N/A 18.42 mm N/A Seal Guides
16.81 X 5.33 U-70 N/A
138249 		N/A Metric Standard O-Ring N/A Polyurethane N/A 313 N/A 5.33 mm N/A 70 N/A 16.81 mm N/A Seal Guides
15.24 X 5.33 U-70 N/A
138129 		N/A Metric Standard O-Ring N/A Polyurethane N/A 312 N/A 5.33 mm N/A 70 N/A 15.24 mm N/A Seal Guides
13.64 X 5.33 U-70 N/A
137889 		N/A Metric Standard O-Ring N/A Polyurethane N/A 311 N/A 5.33 mm N/A 70 N/A 13.64 mm N/A Seal Guides
12.07 X 5.33 U-70 N/A
137738 		N/A Metric Standard O-Ring N/A Polyurethane N/A 310 N/A 5.33 mm N/A 70 N/A 12.07 mm N/A Seal Guides
44.17 X 1.78 U-70 N/A
140363 		N/A Metric Standard O-Ring N/A Polyurethane N/A 31 N/A 1.78 mm N/A 70 N/A 44.17 mm N/A Seal Guides
10.46 X 5.33 U-70 N/A
137469 		N/A Metric Standard O-Ring N/A Polyurethane N/A 309 N/A 5.33 mm N/A 70 N/A 10.46 mm N/A Seal Guides
41 X 1.78 U-70 N/A
140218 		N/A Metric Standard O-Ring N/A Polyurethane N/A 30 N/A 1.78 mm N/A 70 N/A 41.00 mm N/A Seal Guides
1.42 X 1.52 U-70 N/A
137445 		N/A Metric Standard O-Ring N/A Polyurethane N/A 3 N/A 1.52 mm N/A 70 N/A 1.42 mm N/A Seal Guides
37.82 X 1.78 U-70 N/A
139981 		N/A Metric Standard O-Ring N/A Polyurethane N/A 29 N/A 1.78 mm N/A 70 N/A 37.82 mm N/A Seal Guides
456.06 X 3.53 U-70 N/A
140421 		N/A Metric Standard O-Ring N/A Polyurethane N/A 284 N/A 3.53 mm N/A 70 N/A 456.06 mm N/A Seal Guides
430.66 X 3.53 U-70 N/A
140329 		N/A Metric Standard O-Ring N/A Polyurethane N/A 283 N/A 3.53 mm N/A 70 N/A 430.66 mm N/A Seal Guides
405.26 X 3.53 U-70 N/A
140206 		N/A Metric Standard O-Ring N/A Polyurethane N/A 282 N/A 3.53 mm N/A 70 N/A 405.26 mm N/A Seal Guides
380.59 X 3.53 U-70 N/A
140045 		N/A Metric Standard O-Ring N/A Polyurethane N/A 281 N/A 3.53 mm N/A 70 N/A 380.59 mm N/A Seal Guides
355.19 X 3.53 U-70 N/A
139876 		N/A Metric Standard O-Ring N/A Polyurethane N/A 280 N/A 3.53 mm N/A 70 N/A 355.19 mm N/A Seal Guides
34.65 X 1.78 U-70 N/A
139788 		N/A Metric Standard O-Ring N/A Polyurethane N/A 28 N/A 1.78 mm N/A 70 N/A 34.65 mm N/A Seal Guides
329.79 X 3.53 U-70 N/A
139700 		N/A Metric Standard O-Ring N/A Polyurethane N/A 279 N/A 3.53 mm N/A 70 N/A 329.79 mm N/A Seal Guides
304.39 X 3.53 U-70 N/A
139548 		N/A Metric Standard O-Ring N/A Polyurethane N/A 278 N/A 3.53 mm N/A 70 N/A 304.39 mm N/A Seal Guides
291.69 X 3.53 U-70 N/A
139444 		N/A Metric Standard O-Ring N/A Polyurethane N/A 277 N/A 3.53 mm N/A 70 N/A 291.69 mm N/A Seal Guides
278.99 X 3.53 U-70 N/A
139333 		N/A Metric Standard O-Ring N/A Polyurethane N/A 276 N/A 3.53 mm N/A 70 N/A 278.99 mm N/A Seal Guides
266.29 X 3.53 U-70 N/A
139259 		N/A Metric Standard O-Ring N/A Polyurethane N/A 275 N/A 3.53 mm N/A 70 N/A 266.29 mm N/A Seal Guides
253.59 X 3.53 U-70 N/A
139174 		N/A Metric Standard O-Ring N/A Polyurethane N/A 274 N/A 3.53 mm N/A 70 N/A 253.59 mm N/A Seal Guides
247.24 X 3.53 U-70 N/A
139110 		N/A Metric Standard O-Ring N/A Polyurethane N/A 273 N/A 3.53 mm N/A 70 N/A 247.24 mm N/A Seal Guides
Unit of Measure
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