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
139 X 2.5 U-70	N/A 137976	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 2.50 mm	N/A 70	N/A 139.00 mm
139 X 3 U-70	N/A 137977	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.00 mm	N/A 70	N/A 139.00 mm
139 X 3.5 U-70	N/A 137978	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.50 mm	N/A 70	N/A 139.00 mm
139 X 4 U-70	N/A 137979	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 4.00 mm	N/A 70	N/A 139.00 mm
139 X 4.2 U-70	N/A 137980	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 4.20 mm	N/A 70	N/A 139.00 mm
139 X 5 U-70	N/A 137981	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 5.00 mm	N/A 70	N/A 139.00 mm
139.2 X 5.7 U-70	N/A 137984	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 5.70 mm	N/A 70	N/A 139.20 mm
139.2 X 6 U-70	N/A 137985	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 6.00 mm	N/A 70	N/A 139.20 mm
139.3 X 5.7 U-70	N/A 137987	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 5.70 mm	N/A 70	N/A 139.30 mm
139.5 X 3 U-70	N/A 137991	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.00 mm	N/A 70	N/A 139.50 mm
14 X 1 U-70	N/A 137994	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 1.00 mm	N/A 70	N/A 14.00 mm
14 X 1.5 U-70	N/A 137995	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 1.50 mm	N/A 70	N/A 14.00 mm
14 X 1.8 U-70	N/A 137997	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 1.80 mm	N/A 70	N/A 14.00 mm
14 X 2 U-70	N/A 137998	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 2.00 mm	N/A 70	N/A 14.00 mm
14 X 2.5 U-70	N/A 137999	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 2.50 mm	N/A 70	N/A 14.00 mm
14 X 2.65 U-70	N/A 138000	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 2.65 mm	N/A 70	N/A 14.00 mm
14 X 3 U-70	N/A 138001	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.00 mm	N/A 70	N/A 14.00 mm
14 X 3.5 U-70	N/A 138002	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 3.50 mm	N/A 70	N/A 14.00 mm
14 X 4 U-70	N/A 138003	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 4.00 mm	N/A 70	N/A 14.00 mm
14 X 5 U-70	N/A 138004	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 5.00 mm	N/A 70	N/A 14.00 mm
14 X 6 U-70	N/A 138005	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 6.00 mm	N/A 70	N/A 14.00 mm
14.1 X 1.6 U-70	N/A 138006	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 1.60 mm	N/A 70	N/A 14.10 mm
14.3 X 2.4 U-70	N/A 138007	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 2.40 mm	N/A 70	N/A 14.30 mm
14.5 X 1 U-70	N/A 138008	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 1.00 mm	N/A 70	N/A 14.50 mm
14.5 X 2 U-70	N/A 138010	N/A Metric Standard O-Ring	N/A Polyurethane	N/A	N/A 2.00 mm	N/A 70	N/A 14.50 mm

N/A
137976

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 2.50 mm

N/A 70

N/A 139.00 mm

139 X 3 U-70

N/A
137977

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.00 mm

N/A 70

N/A 139.00 mm

139 X 3.5 U-70

N/A
137978

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.50 mm

N/A 70

N/A 139.00 mm

139 X 4 U-70

N/A
137979

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 4.00 mm

N/A 70

N/A 139.00 mm

139 X 4.2 U-70

N/A
137980

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 4.20 mm

N/A 70

N/A 139.00 mm

139 X 5 U-70

N/A
137981

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 5.00 mm

N/A 70

N/A 139.00 mm

139.2 X 5.7 U-70

N/A
137984

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 5.70 mm

N/A 70

N/A 139.20 mm

139.2 X 6 U-70

N/A
137985

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 6.00 mm

N/A 70

N/A 139.20 mm

139.3 X 5.7 U-70

N/A
137987

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 5.70 mm

N/A 70

N/A 139.30 mm

139.5 X 3 U-70

N/A
137991

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.00 mm

N/A 70

N/A 139.50 mm

14 X 1 U-70

N/A
137994

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 1.00 mm

N/A 70

N/A 14.00 mm

14 X 1.5 U-70

N/A
137995

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 1.50 mm

N/A 70

N/A 14.00 mm

14 X 1.8 U-70

N/A
137997

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 1.80 mm

N/A 70

N/A 14.00 mm

14 X 2 U-70

N/A
137998

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 2.00 mm

N/A 70

N/A 14.00 mm

14 X 2.5 U-70

N/A
137999

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 2.50 mm

N/A 70

N/A 14.00 mm

14 X 2.65 U-70

N/A
138000

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 2.65 mm

N/A 70

N/A 14.00 mm

14 X 3 U-70

N/A
138001

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.00 mm

N/A 70

N/A 14.00 mm

14 X 3.5 U-70

N/A
138002

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 3.50 mm

N/A 70

N/A 14.00 mm

14 X 4 U-70

N/A
138003

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 4.00 mm

N/A 70

N/A 14.00 mm

14 X 5 U-70

N/A
138004

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 5.00 mm

N/A 70

N/A 14.00 mm

14 X 6 U-70

N/A
138005

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 6.00 mm

N/A 70

N/A 14.00 mm

14.1 X 1.6 U-70

N/A
138006

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 1.60 mm

N/A 70

N/A 14.10 mm

14.3 X 2.4 U-70

N/A
138007

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 2.40 mm

N/A 70

N/A 14.30 mm

14.5 X 1 U-70

N/A
138008

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 1.00 mm

N/A 70

N/A 14.50 mm

14.5 X 2 U-70

N/A
138010

N/A Metric Standard O-Ring

N/A Polyurethane

N/A

N/A 2.00 mm

N/A 70

N/A 14.50 mm