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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Clear Filter

Cross Section Width (mm)

Durometer

Inside Diameter (mm)

Item #

IntegrationID

Type

Material

Cross Reference

Cross Section Width

Durometer

Inside Diameter

N/A
139776
N/A Metric Standard O-Ring N/A Polyurethane N/A G35 N/A 3.10 mm N/A 70 N/A 34.40 mm
N/A
139475
N/A Metric Standard O-Ring N/A Polyurethane N/A G300 N/A 5.70 mm N/A 70 N/A 299.30 mm
N/A
139420
N/A Metric Standard O-Ring N/A Polyurethane N/A G30 N/A 3.10 mm N/A 70 N/A 29.40 mm
N/A
139403
N/A Metric Standard O-Ring N/A Polyurethane N/A G290 N/A 5.70 mm N/A 70 N/A 289.30 mm
N/A
139337
N/A Metric Standard O-Ring N/A Polyurethane N/A G280 N/A 5.70 mm N/A 70 N/A 279.30 mm
N/A
139271
N/A Metric Standard O-Ring N/A Polyurethane N/A G270 N/A 5.70 mm N/A 70 N/A 269.30 mm
N/A
139199
N/A Metric Standard O-Ring N/A Polyurethane N/A G260 N/A 5.70 mm N/A 70 N/A 259.30 mm
N/A
139122
N/A Metric Standard O-Ring N/A Polyurethane N/A G250 N/A 5.70 mm N/A 70 N/A 249.30 mm
N/A
139050
N/A Metric Standard O-Ring N/A Polyurethane N/A G25 N/A 3.10 mm N/A 70 N/A 24.40 mm
N/A
139033
N/A Metric Standard O-Ring N/A Polyurethane N/A G240 N/A 5.70 mm N/A 70 N/A 239.30 mm
N/A
138944
N/A Metric Standard O-Ring N/A Polyurethane N/A G230 N/A 5.70 mm N/A 70 N/A 229.30 mm
N/A
138850
N/A Metric Standard O-Ring N/A Polyurethane N/A G220 N/A 5.70 mm N/A 70 N/A 219.30 mm
N/A
138758
N/A Metric Standard O-Ring N/A Polyurethane N/A G210 N/A 5.70 mm N/A 70 N/A 209.30 mm
N/A
138631
N/A Metric Standard O-Ring N/A Polyurethane N/A G200 N/A 5.70 mm N/A 70 N/A 199.30 mm
N/A
138595
N/A Metric Standard O-Ring N/A Polyurethane N/A G195 N/A 5.70 mm N/A 70 N/A 194.30 mm
N/A
138527
N/A Metric Standard O-Ring N/A Polyurethane N/A G190 N/A 5.70 mm N/A 70 N/A 189.30 mm
N/A
138495
N/A Metric Standard O-Ring N/A Polyurethane N/A G185 N/A 5.70 mm N/A 70 N/A 184.30 mm
N/A
138428
N/A Metric Standard O-Ring N/A Polyurethane N/A G180 N/A 5.70 mm N/A 70 N/A 179.30 mm
N/A
138394
N/A Metric Standard O-Ring N/A Polyurethane N/A G175 N/A 5.70 mm N/A 70 N/A 174.30 mm
N/A
138326
N/A Metric Standard O-Ring N/A Polyurethane N/A G170 N/A 5.70 mm N/A 70 N/A 169.30 mm
N/A
138284
N/A Metric Standard O-Ring N/A Polyurethane N/A G165 N/A 5.70 mm N/A 70 N/A 164.30 mm
N/A
138223
N/A Metric Standard O-Ring N/A Polyurethane N/A G160 N/A 5.70 mm N/A 70 N/A 159.30 mm
N/A
138180
N/A Metric Standard O-Ring N/A Polyurethane N/A G155 N/A 5.70 mm N/A 70 N/A 154.30 mm
N/A
138108
N/A Metric Standard O-Ring N/A Polyurethane N/A G150 N/A 5.70 mm N/A 70 N/A 149.30 mm
N/A
138059
N/A Metric Standard O-Ring N/A Polyurethane N/A G145 N/A 3.10 mm N/A 70 N/A 144.40 mm
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