Metric Polyurethane 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.

Item #	IntegrationID	Type	Material	Cross Reference	Cross Section Width	Durometer	Inside Diameter
36.27 X 1.78 U-70	N/A 139906	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS517	N/A 1.78 mm	N/A 70	N/A 36.27 mm
59.36 X 3 U-70	N/A 140784	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 932	N/A 3.00 mm	N/A 70	N/A 59.36 mm
53.09 X 3 U-70	N/A 140665	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 928	N/A 3.00 mm	N/A 70	N/A 53.09 mm
43.69 X 3 U-70	N/A 140321	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 924	N/A 3.00 mm	N/A 70	N/A 43.69 mm
37.4 X 3 U-70	N/A 139967	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 920	N/A 3.00 mm	N/A 70	N/A 37.40 mm
34.42 X 2.95 U-70	N/A 139777	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 918	N/A 2.95 mm	N/A 70	N/A 34.42 mm
29.74 X 2.95 U-70	N/A 139429	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 916	N/A 2.95 mm	N/A 70	N/A 29.74 mm
26.59 X 2.95 U-70	N/A 139222	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 914	N/A 2.95 mm	N/A 70	N/A 26.59 mm
25.04 X 2.95 U-70	N/A 139139	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 913	N/A 2.95 mm	N/A 70	N/A 25.04 mm
23.47 X 2.95 U-70	N/A 138961	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 912	N/A 2.95 mm	N/A 70	N/A 23.47 mm
21.92 X 2.95 U-70	N/A 138790	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 911	N/A 2.95 mm	N/A 70	N/A 21.92 mm
19.18 X 2.46 U-70	N/A 138548	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 910	N/A 2.46 mm	N/A 70	N/A 19.18 mm
17.93 X 2.46 U-70	N/A 138357	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 909	N/A 2.46 mm	N/A 70	N/A 17.93 mm
13.46 X 2.08 U-70	N/A 137878	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 907	N/A 2.08 mm	N/A 70	N/A 13.46 mm
11.89 X 1.98 U-70	N/A 137620	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 906	N/A 1.98 mm	N/A 70	N/A 11.89 mm
16.36 X 2.21 U-70	N/A 138242	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 906	N/A 2.21 mm	N/A 70	N/A 16.36 mm
10.52 X 1.83 U-70	N/A 137478	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 905	N/A 1.83 mm	N/A 70	N/A 10.52 mm
8.92 X 1.83 U-70	N/A 141217	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 904	N/A 1.83 mm	N/A 70	N/A 8.92 mm
7.65 X 1.63 U-70	N/A 141032	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 903	N/A 1.63 mm	N/A 70	N/A 7.65 mm
6.07 X 1.63 U-70	N/A 140811	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 902	N/A 1.63 mm	N/A 70	N/A 6.07 mm
4.7 X 1.42 U-70	N/A 140165	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 901	N/A 1.42 mm	N/A 70	N/A 4.70 mm
5.28 X 1.78 U-70	N/A 140573	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 9	N/A 1.78 mm	N/A 70	N/A 5.28 mm
4.47 X 1.78 U-70	N/A 140156	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 8	N/A 1.78 mm	N/A 70	N/A 4.47 mm
3.68 X 1.78 U-70	N/A 139497	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 7	N/A 1.78 mm	N/A 70	N/A 3.68 mm
2.9 X 1.78 U-70	N/A 138661	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 6	N/A 1.78 mm	N/A 70	N/A 2.90 mm

N/A
139906

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS517

N/A 1.78 mm

N/A 70

N/A 36.27 mm

59.36 X 3 U-70

N/A
140784

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 932

N/A 3.00 mm

N/A 70

N/A 59.36 mm

53.09 X 3 U-70

N/A
140665

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 928

N/A 3.00 mm

N/A 70

N/A 53.09 mm

43.69 X 3 U-70

N/A
140321

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 924

N/A 3.00 mm

N/A 70

N/A 43.69 mm

37.4 X 3 U-70

N/A
139967

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 920

N/A 3.00 mm

N/A 70

N/A 37.40 mm

34.42 X 2.95 U-70

N/A
139777

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 918

N/A 2.95 mm

N/A 70

N/A 34.42 mm

29.74 X 2.95 U-70

N/A
139429

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 916

N/A 2.95 mm

N/A 70

N/A 29.74 mm

26.59 X 2.95 U-70

N/A
139222

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 914

N/A 2.95 mm

N/A 70

N/A 26.59 mm

25.04 X 2.95 U-70

N/A
139139

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 913

N/A 2.95 mm

N/A 70

N/A 25.04 mm

23.47 X 2.95 U-70

N/A
138961

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 912

N/A 2.95 mm

N/A 70

N/A 23.47 mm

21.92 X 2.95 U-70

N/A
138790

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 911

N/A 2.95 mm

N/A 70

N/A 21.92 mm

19.18 X 2.46 U-70

N/A
138548

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 910

N/A 2.46 mm

N/A 70

N/A 19.18 mm

17.93 X 2.46 U-70

N/A
138357

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 909

N/A 2.46 mm

N/A 70

N/A 17.93 mm

13.46 X 2.08 U-70

N/A
137878

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 907

N/A 2.08 mm

N/A 70

N/A 13.46 mm

11.89 X 1.98 U-70

N/A
137620

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 906

N/A 1.98 mm

N/A 70

N/A 11.89 mm

16.36 X 2.21 U-70

N/A
138242

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 906

N/A 2.21 mm

N/A 70

N/A 16.36 mm

10.52 X 1.83 U-70

N/A
137478

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 905

N/A 1.83 mm

N/A 70

N/A 10.52 mm

8.92 X 1.83 U-70

N/A
141217

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 904

N/A 1.83 mm

N/A 70

N/A 8.92 mm

7.65 X 1.63 U-70

N/A
141032

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 903

N/A 1.63 mm

N/A 70

N/A 7.65 mm

6.07 X 1.63 U-70

N/A
140811

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 902

N/A 1.63 mm

N/A 70

N/A 6.07 mm

4.7 X 1.42 U-70

N/A
140165

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 901

N/A 1.42 mm

N/A 70

N/A 4.70 mm

5.28 X 1.78 U-70

N/A
140573

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 9

N/A 1.78 mm

N/A 70

N/A 5.28 mm

4.47 X 1.78 U-70

N/A
140156

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 8

N/A 1.78 mm

N/A 70

N/A 4.47 mm

3.68 X 1.78 U-70

N/A
139497

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 7

N/A 1.78 mm

N/A 70

N/A 3.68 mm

2.9 X 1.78 U-70

N/A
138661

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 6

N/A 1.78 mm

N/A 70

N/A 2.90 mm