• 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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Cross Section Width (mm)

Durometer

Inside Diameter (mm)

Item #

IntegrationID

Type

Material

Cross Reference

Cross Section Width

Durometer

Inside Diameter

N/A
139417 		N/A Metric Standard O-Ring N/A Polyurethane N/A P29.5 N/A 3.50 mm N/A 70 N/A 29.20 mm
N/A
139361 		N/A Metric Standard O-Ring N/A Polyurethane N/A P29 N/A 3.50 mm N/A 70 N/A 28.70 mm
N/A
139384 		N/A Metric Standard O-Ring N/A Polyurethane N/A P285 N/A 8.40 mm N/A 70 N/A 284.50 mm
N/A
139338 		N/A Metric Standard O-Ring N/A Polyurethane N/A P280 N/A 8.40 mm N/A 70 N/A 279.50 mm
N/A
139292 		N/A Metric Standard O-Ring N/A Polyurethane N/A P28 N/A 3.50 mm N/A 70 N/A 27.70 mm
N/A
139317 		N/A Metric Standard O-Ring N/A Polyurethane N/A P275 N/A 8.40 mm N/A 70 N/A 274.50 mm
N/A
139272 		N/A Metric Standard O-Ring N/A Polyurethane N/A P271 N/A 8.40 mm N/A 70 N/A 269.50 mm
N/A
139200 		N/A Metric Standard O-Ring N/A Polyurethane N/A P26t N/A 8.40 mm N/A 70 N/A 259.50 mm
N/A
139246 		N/A Metric Standard O-Ring N/A Polyurethane N/A P265 N/A 8.40 mm N/A 70 N/A 264.50 mm
N/A
139151 		N/A Metric Standard O-Ring N/A Polyurethane N/A P26 N/A 3.50 mm N/A 70 N/A 25.70 mm
N/A
139178 		N/A Metric Standard O-Ring N/A Polyurethane N/A P255 N/A 8.40 mm N/A 70 N/A 254.50 mm
N/A
139124 		N/A Metric Standard O-Ring N/A Polyurethane N/A P250 N/A 8.40 mm N/A 70 N/A 249.50 mm
N/A
139144 		N/A Metric Standard O-Ring N/A Polyurethane N/A P25.5 N/A 3.50 mm N/A 70 N/A 25.20 mm
N/A
139061 		N/A Metric Standard O-Ring N/A Polyurethane N/A P25 N/A 3.50 mm N/A 70 N/A 24.70 mm
N/A
139094 		N/A Metric Standard O-Ring N/A Polyurethane N/A P245 N/A 8.40 mm N/A 70 N/A 244.50 mm
N/A
139035 		N/A Metric Standard O-Ring N/A Polyurethane N/A P240 N/A 8.40 mm N/A 70 N/A 239.50 mm
N/A
138974 		N/A Metric Standard O-Ring N/A Polyurethane N/A P24 N/A 3.50 mm N/A 70 N/A 23.70 mm
N/A
139003 		N/A Metric Standard O-Ring N/A Polyurethane N/A P235 N/A 8.40 mm N/A 70 N/A 234.50 mm
N/A
138946 		N/A Metric Standard O-Ring N/A Polyurethane N/A P230 N/A 8.40 mm N/A 70 N/A 229.50 mm
N/A
138785 		N/A Metric Standard O-Ring N/A Polyurethane N/A P22A N/A 3.50 mm N/A 70 N/A 21.70 mm
N/A
138910 		N/A Metric Standard O-Ring N/A Polyurethane N/A P225 N/A 8.40 mm N/A 70 N/A 224.50 mm
N/A
138853 		N/A Metric Standard O-Ring N/A Polyurethane N/A P220 N/A 8.40 mm N/A 70 N/A 219.50 mm
N/A
138865 		N/A Metric Standard O-Ring N/A Polyurethane N/A P22.4 N/A 3.50 mm N/A 70 N/A 22.10 mm
N/A
138786 		N/A Metric Standard O-Ring N/A Polyurethane N/A P22 N/A 2.40 mm N/A 70 N/A 21.80 mm
N/A
138760 		N/A Metric Standard O-Ring N/A Polyurethane N/A P21I N/A 8.40 mm N/A 70 N/A 209.50 mm
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