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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
27 X 5 U-70 N/A
139280
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 5.00 mm N/A 70 N/A 27.00 mm
27 X 6 U-70 N/A
139281
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 6.00 mm N/A 70 N/A 27.00 mm
27.1 X 1.6 U-70 N/A
139282
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 1.60 mm N/A 70 N/A 27.10 mm
27.3 X 2.4 U-70 N/A
139283
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 2.40 mm N/A 70 N/A 27.30 mm
27.3 X 2.7 U-70 N/A
139284
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 2.70 mm N/A 70 N/A 27.30 mm
27.5 X 1.5 U-70 N/A
139285
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 1.50 mm N/A 70 N/A 27.50 mm
27.5 X 2.4 U-70 N/A
139287
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 2.40 mm N/A 70 N/A 27.50 mm
27.5 X 2.5 U-70 N/A
139288
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 2.50 mm N/A 70 N/A 27.50 mm
27.5 X 3 U-70 N/A
139289
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 3.00 mm N/A 70 N/A 27.50 mm
27.5 X 4.5 U-70 N/A
139290
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 4.50 mm N/A 70 N/A 27.50 mm
27.6 X 2.4 U-70 N/A
139291
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 2.40 mm N/A 70 N/A 27.60 mm
27.8 X 3.6 U-70 N/A
139293
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 3.60 mm N/A 70 N/A 27.80 mm
270 X 10 U-70 N/A
139295
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 10.00 mm N/A 70 N/A 270.00 mm
270 X 3 U-70 N/A
139296
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 3.00 mm N/A 70 N/A 270.00 mm
270 X 3.5 U-70 N/A
139297
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 3.50 mm N/A 70 N/A 270.00 mm
270 X 4 U-70 N/A
139298
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 4.00 mm N/A 70 N/A 270.00 mm
270 X 5 U-70 N/A
139299
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 5.00 mm N/A 70 N/A 270.00 mm
270 X 6 U-70 N/A
139300
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 6.00 mm N/A 70 N/A 270.00 mm
271 X 3.5 U-70 N/A
139301
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 3.50 mm N/A 70 N/A 271.00 mm
271 X 4 U-70 N/A
139302
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 4.00 mm N/A 70 N/A 271.00 mm
271 X 5 U-70 N/A
139303
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 5.00 mm N/A 70 N/A 271.00 mm
272 X 3.5 U-70 N/A
139304
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 3.50 mm N/A 70 N/A 272.00 mm
272 X 4 U-70 N/A
139305
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 4.00 mm N/A 70 N/A 272.00 mm
272 X 5 U-70 N/A
139306
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 5.00 mm N/A 70 N/A 272.00 mm
272 X 7 U-70 N/A
139309
N/A Metric Standard O-Ring N/A Polyurethane N/A N/A 7.00 mm N/A 70 N/A 272.00 mm
Unit of Measure
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