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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
139.4 X 3.1 U-70 N/A
137989
N/A Metric Standard O-Ring N/A Polyurethane N/A G140 N/A 3.10 mm N/A 70 N/A 139.40 mm
134.4 X 3.1 U-70 N/A
137938
N/A Metric Standard O-Ring N/A Polyurethane N/A G135 N/A 3.10 mm N/A 70 N/A 134.40 mm
129.4 X 3.1 U-70 N/A
137856
N/A Metric Standard O-Ring N/A Polyurethane N/A G130 N/A 3.10 mm N/A 70 N/A 129.40 mm
124.4 X 3.1 U-70 N/A
137804
N/A Metric Standard O-Ring N/A Polyurethane N/A G125 N/A 3.10 mm N/A 70 N/A 124.40 mm
119.4 X 3.1 U-70 N/A
137722
N/A Metric Standard O-Ring N/A Polyurethane N/A G120 N/A 3.10 mm N/A 70 N/A 119.40 mm
114.4 X 3.1 U-70 N/A
137672
N/A Metric Standard O-Ring N/A Polyurethane N/A G115 N/A 3.10 mm N/A 70 N/A 114.40 mm
109.4 X 3.1 U-70 N/A
137592
N/A Metric Standard O-Ring N/A Polyurethane N/A G110 N/A 3.10 mm N/A 70 N/A 109.40 mm
104.4 X 3.1 U-70 N/A
137538
N/A Metric Standard O-Ring N/A Polyurethane N/A G105 N/A 3.10 mm N/A 70 N/A 104.40 mm
99.4 X 3.1 U-70 N/A
141510
N/A Metric Standard O-Ring N/A Polyurethane N/A G100 N/A 3.10 mm N/A 70 N/A 99.40 mm
41.26 X 3.53 U-70 N/A
140230
N/A Metric Standard O-Ring N/A Polyurethane N/A BSW825 N/A 3.53 mm N/A 70 N/A 41.26 mm
200 X 6.99 U-70 N/A
138695
N/A Metric Standard O-Ring N/A Polyurethane N/A BS886 N/A 6.99 mm N/A 70 N/A 200.00 mm
193.7 X 6.99 U-70 N/A
138586
N/A Metric Standard O-Ring N/A Polyurethane N/A BS884 N/A 6.99 mm N/A 70 N/A 193.70 mm
187.3 X 6.99 U-70 N/A
138515
N/A Metric Standard O-Ring N/A Polyurethane N/A BS882 N/A 6.99 mm N/A 70 N/A 187.30 mm
181 X 6.99 U-70 N/A
138474
N/A Metric Standard O-Ring N/A Polyurethane N/A BS880 N/A 6.99 mm N/A 70 N/A 181.00 mm
174.6 X 6.99 U-70 N/A
138397
N/A Metric Standard O-Ring N/A Polyurethane N/A BS878 N/A 6.99 mm N/A 70 N/A 174.60 mm
168.3 X 6.99 U-70 N/A
138319
N/A Metric Standard O-Ring N/A Polyurethane N/A BS876 N/A 6.99 mm N/A 70 N/A 168.30 mm
161.9 X 6.99 U-70 N/A
138268
N/A Metric Standard O-Ring N/A Polyurethane N/A BS874 N/A 6.99 mm N/A 70 N/A 161.90 mm
149.23 X 5.33 U-70 N/A
138107
N/A Metric Standard O-Ring N/A Polyurethane N/A BS870 N/A 5.33 mm N/A 70 N/A 149.23 mm
146.05 X 5.33 U-70 N/A
138083
N/A Metric Standard O-Ring N/A Polyurethane N/A BS869 N/A 5.33 mm N/A 70 N/A 146.05 mm
142.88 X 5.33 U-70 N/A
138044
N/A Metric Standard O-Ring N/A Polyurethane N/A BS868 N/A 5.33 mm N/A 70 N/A 142.88 mm
139.7 X 5.33 U-70 N/A
137993
N/A Metric Standard O-Ring N/A Polyurethane N/A BS867 N/A 5.33 mm N/A 70 N/A 139.70 mm
136.53 X 5.33 U-70 N/A
137962
N/A Metric Standard O-Ring N/A Polyurethane N/A BS866 N/A 5.33 mm N/A 70 N/A 136.53 mm
133.35 X 5.33 U-70 N/A
137929
N/A Metric Standard O-Ring N/A Polyurethane N/A BS865 N/A 5.33 mm N/A 70 N/A 133.35 mm
130.18 X 5.33 U-70 N/A
137900
N/A Metric Standard O-Ring N/A Polyurethane N/A BS864 N/A 5.33 mm N/A 70 N/A 130.18 mm
127 X 5.33 U-70 N/A
137838
N/A Metric Standard O-Ring N/A Polyurethane N/A BS863 N/A 5.33 mm N/A 70 N/A 127.00 mm
Unit of Measure
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