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
12.42 X 1.78 U-70	N/A 137746	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 14	N/A 1.78 mm	N/A 70	N/A 12.42 mm
55.25 X 2.62 U-70	N/A 140713	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 139	N/A 2.62 mm	N/A 70	N/A 55.25 mm
53.64 X 2.62 U-70	N/A 140670	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 138	N/A 2.62 mm	N/A 70	N/A 53.64 mm
52.07 X 2.62 U-70	N/A 140643	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 137	N/A 2.62 mm	N/A 70	N/A 52.07 mm
50.47 X 2.62 U-70	N/A 140601	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 136	N/A 2.62 mm	N/A 70	N/A 50.47 mm
48.9 X 2.62 U-70	N/A 140506	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 135	N/A 2.62 mm	N/A 70	N/A 48.90 mm
47.29 X 2.62 U-70	N/A 140468	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 134	N/A 2.62 mm	N/A 70	N/A 47.29 mm
45.69 X 2.62 U-70	N/A 140405	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 133	N/A 2.62 mm	N/A 70	N/A 45.69 mm
44.12 X 2.62 U-70	N/A 140362	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 132	N/A 2.62 mm	N/A 70	N/A 44.12 mm
42.52 X 2.62 U-70	N/A 140281	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 131	N/A 2.62 mm	N/A 70	N/A 42.52 mm
40.94 X 2.62 U-70	N/A 140188	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 130	N/A 2.62 mm	N/A 70	N/A 40.94 mm
10.82 X 1.78 U-70	N/A 137483	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 13	N/A 1.78 mm	N/A 70	N/A 10.82 mm
39.34 X 2.62 U-70	N/A 140091	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 129	N/A 2.62 mm	N/A 70	N/A 39.34 mm
37.77 X 2.62 U-70	N/A 139980	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 128	N/A 2.62 mm	N/A 70	N/A 37.77 mm
36.17 X 2.62 U-70	N/A 139903	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 127	N/A 2.62 mm	N/A 70	N/A 36.17 mm
34.59 X 2.62 U-70	N/A 139786	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 126	N/A 2.62 mm	N/A 70	N/A 34.59 mm
32.99 X 2.62 U-70	N/A 139656	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 125	N/A 2.62 mm	N/A 70	N/A 32.99 mm
31.42 X 2.62 U-70	N/A 139578	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 124	N/A 2.62 mm	N/A 70	N/A 31.42 mm
29.82 X 2.62 U-70	N/A 139431	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 123	N/A 2.62 mm	N/A 70	N/A 29.82 mm
28.24 X 2.62 U-70	N/A 139353	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 122	N/A 2.62 mm	N/A 70	N/A 28.24 mm
26.64 X 2.62 U-70	N/A 139223	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 121	N/A 2.62 mm	N/A 70	N/A 26.64 mm
25.07 X 2.62 U-70	N/A 139140	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 120	N/A 2.62 mm	N/A 70	N/A 25.07 mm
9.25 X 1.78 U-70	N/A 141372	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 12	N/A 1.78 mm	N/A 70	N/A 9.25 mm
23.47 X 2.62 U-70	N/A 138960	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 119	N/A 2.62 mm	N/A 70	N/A 23.47 mm
21.89 X 2.62 U-70	N/A 138788	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 118	N/A 2.62 mm	N/A 70	N/A 21.89 mm

N/A
137746

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 14

N/A 1.78 mm

N/A 70

N/A 12.42 mm

55.25 X 2.62 U-70

N/A
140713

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 139

N/A 2.62 mm

N/A 70

N/A 55.25 mm

53.64 X 2.62 U-70

N/A
140670

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 138

N/A 2.62 mm

N/A 70

N/A 53.64 mm

52.07 X 2.62 U-70

N/A
140643

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 137

N/A 2.62 mm

N/A 70

N/A 52.07 mm

50.47 X 2.62 U-70

N/A
140601

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 136

N/A 2.62 mm

N/A 70

N/A 50.47 mm

48.9 X 2.62 U-70

N/A
140506

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 135

N/A 2.62 mm

N/A 70

N/A 48.90 mm

47.29 X 2.62 U-70

N/A
140468

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 134

N/A 2.62 mm

N/A 70

N/A 47.29 mm

45.69 X 2.62 U-70

N/A
140405

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 133

N/A 2.62 mm

N/A 70

N/A 45.69 mm

44.12 X 2.62 U-70

N/A
140362

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 132

N/A 2.62 mm

N/A 70

N/A 44.12 mm

42.52 X 2.62 U-70

N/A
140281

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 131

N/A 2.62 mm

N/A 70

N/A 42.52 mm

40.94 X 2.62 U-70

N/A
140188

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 130

N/A 2.62 mm

N/A 70

N/A 40.94 mm

10.82 X 1.78 U-70

N/A
137483

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 13

N/A 1.78 mm

N/A 70

N/A 10.82 mm

39.34 X 2.62 U-70

N/A
140091

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 129

N/A 2.62 mm

N/A 70

N/A 39.34 mm

37.77 X 2.62 U-70

N/A
139980

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 128

N/A 2.62 mm

N/A 70

N/A 37.77 mm

36.17 X 2.62 U-70

N/A
139903

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 127

N/A 2.62 mm

N/A 70

N/A 36.17 mm

34.59 X 2.62 U-70

N/A
139786

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 126

N/A 2.62 mm

N/A 70

N/A 34.59 mm

32.99 X 2.62 U-70

N/A
139656

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 125

N/A 2.62 mm

N/A 70

N/A 32.99 mm

31.42 X 2.62 U-70

N/A
139578

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 124

N/A 2.62 mm

N/A 70

N/A 31.42 mm

29.82 X 2.62 U-70

N/A
139431

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 123

N/A 2.62 mm

N/A 70

N/A 29.82 mm

28.24 X 2.62 U-70

N/A
139353

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 122

N/A 2.62 mm

N/A 70

N/A 28.24 mm

26.64 X 2.62 U-70

N/A
139223

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 121

N/A 2.62 mm

N/A 70

N/A 26.64 mm

25.07 X 2.62 U-70

N/A
139140

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 120

N/A 2.62 mm

N/A 70

N/A 25.07 mm

9.25 X 1.78 U-70

N/A
141372

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 12

N/A 1.78 mm

N/A 70

N/A 9.25 mm

23.47 X 2.62 U-70

N/A
138960

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 119

N/A 2.62 mm

N/A 70

N/A 23.47 mm

21.89 X 2.62 U-70

N/A
138788

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 118

N/A 2.62 mm

N/A 70

N/A 21.89 mm