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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
214.5 X 8.4 U-70 N/A
138815
N/A Metric Standard O-Ring N/A Polyurethane N/A P215 N/A 8.40 mm N/A 70 N/A 214.50 mm
20.8 X 2.4 U-70 N/A
138687
N/A Metric Standard O-Ring N/A Polyurethane N/A P21 N/A 2.40 mm N/A 70 N/A 20.80 mm
208.5 X 8.4 U-70 N/A
138747
N/A Metric Standard O-Ring N/A Polyurethane N/A P209 N/A 8.40 mm N/A 70 N/A 208.50 mm
204.5 X 8.4 U-70 N/A
138725
N/A Metric Standard O-Ring N/A Polyurethane N/A P205 N/A 8.40 mm N/A 70 N/A 204.50 mm
199.1 X 8.4 U-70 N/A
138629
N/A Metric Standard O-Ring N/A Polyurethane N/A P200 N/A 8.40 mm N/A 70 N/A 199.10 mm
19.8 X 2.4 U-70 N/A
138558
N/A Metric Standard O-Ring N/A Polyurethane N/A P20 N/A 2.40 mm N/A 70 N/A 19.80 mm
194.5 X 8.4 U-70 N/A
138597
N/A Metric Standard O-Ring N/A Polyurethane N/A P195 N/A 8.40 mm N/A 70 N/A 194.50 mm
189.5 X 8.4 U-70 N/A
138530
N/A Metric Standard O-Ring N/A Polyurethane N/A P190 N/A 8.40 mm N/A 70 N/A 189.50 mm
179.5 X 8.4 U-70 N/A
138430
N/A Metric Standard O-Ring N/A Polyurethane N/A P180 N/A 8.40 mm N/A 70 N/A 179.50 mm
17.8 X 2.4 U-70 N/A
138354
N/A Metric Standard O-Ring N/A Polyurethane N/A P18 N/A 2.40 mm N/A 70 N/A 17.80 mm
174.5 X 8.4 U-70 N/A
138396
N/A Metric Standard O-Ring N/A Polyurethane N/A P175 N/A 8.40 mm N/A 70 N/A 174.50 mm
169.5 X 8.4 U-70 N/A
138328
N/A Metric Standard O-Ring N/A Polyurethane N/A P170 N/A 8.40 mm N/A 70 N/A 169.50 mm
159.5 X 8.4 U-70 N/A
138226
N/A Metric Standard O-Ring N/A Polyurethane N/A P16I N/A 8.40 mm N/A 70 N/A 159.50 mm
164.5 X 8.4 U-70 N/A
138289
N/A Metric Standard O-Ring N/A Polyurethane N/A P165 N/A 8.40 mm N/A 70 N/A 164.50 mm
15.8 X 2.4 U-70 N/A
138142
N/A Metric Standard O-Ring N/A Polyurethane N/A P16 N/A 2.40 mm N/A 70 N/A 15.80 mm
154.5 X 8.4 U-70 N/A
138182
N/A Metric Standard O-Ring N/A Polyurethane N/A P155 N/A 8.40 mm N/A 70 N/A 154.50 mm
149.5 X 8.4 U-70 N/A
138111
N/A Metric Standard O-Ring N/A Polyurethane N/A P150A N/A 8.40 mm N/A 70 N/A 149.50 mm
149.6 X 5.7 U-70 N/A
138112
N/A Metric Standard O-Ring N/A Polyurethane N/A P150 N/A 5.70 mm N/A 70 N/A 149.60 mm
14.8 X 2.4 U-70 N/A
138016
N/A Metric Standard O-Ring N/A Polyurethane N/A P15 N/A 2.40 mm N/A 70 N/A 14.80 mm
144.6 X 5.7 U-70 N/A
138062
N/A Metric Standard O-Ring N/A Polyurethane N/A P145 N/A 5.70 mm N/A 70 N/A 144.60 mm
139.6 X 5.7 U-70 N/A
137992
N/A Metric Standard O-Ring N/A Polyurethane N/A P140 N/A 5.70 mm N/A 70 N/A 139.60 mm
13.6 X 2.4 U-70 N/A
137887
N/A Metric Standard O-Ring N/A Polyurethane N/A p14 N/A 2.40 mm N/A 70 N/A 13.60 mm
134.6 X 5.7 U-70 N/A
137943
N/A Metric Standard O-Ring N/A Polyurethane N/A P135 N/A 5.70 mm N/A 70 N/A 134.60 mm
131.6 X 5.7 U-70 N/A
137908
N/A Metric Standard O-Ring N/A Polyurethane N/A P132 N/A 5.70 mm N/A 70 N/A 131.60 mm
129.6 X 5.7 U-70 N/A
137861
N/A Metric Standard O-Ring N/A Polyurethane N/A P130 N/A 5.70 mm N/A 70 N/A 129.60 mm
Unit of Measure
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