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
2.54 X 1.02 U-70	N/A 138649	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS607	N/A 1.02 mm	N/A 70	N/A 2.54 mm
1.78 X 1.02 U-70	N/A 137448	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS606	N/A 1.02 mm	N/A 70	N/A 1.78 mm
173.87 X 1.78 U-70	N/A 138385	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS562	N/A 1.78 mm	N/A 70	N/A 173.87 mm
170.69 X 1.78 U-70	N/A 138365	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS561	N/A 1.78 mm	N/A 70	N/A 170.69 mm
167.51 X 1.78 U-70	N/A 138312	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS560	N/A 1.78 mm	N/A 70	N/A 167.51 mm
164.34 X 1.78 U-70	N/A 138285	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS559	N/A 1.78 mm	N/A 70	N/A 164.34 mm
161.16 X 1.78 U-70	N/A 138265	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS558	N/A 1.78 mm	N/A 70	N/A 161.16 mm
158 X 1.78 U-70	N/A 138206	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS557	N/A 1.78 mm	N/A 70	N/A 158.00 mm
154.81 X 1.78 U-70	N/A 138183	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS556	N/A 1.78 mm	N/A 70	N/A 154.81 mm
151.64 X 1.78 U-70	N/A 138159	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS555	N/A 1.78 mm	N/A 70	N/A 151.64 mm
148.46 X 1.78 U-70	N/A 138095	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS554	N/A 1.78 mm	N/A 70	N/A 148.46 mm
145.29 X 1.78 U-70	N/A 138072	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS553	N/A 1.78 mm	N/A 70	N/A 145.29 mm
142.11 X 1.78 U-70	N/A 138040	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS552	N/A 1.78 mm	N/A 70	N/A 142.11 mm
138.94 X 1.78 U-70	N/A 137975	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS551	N/A 1.78 mm	N/A 70	N/A 138.94 mm
135.76 X 1.78 U-70	N/A 137950	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS550	N/A 1.78 mm	N/A 70	N/A 135.76 mm
129.4 X 1.78 U-70	N/A 137855	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS548	N/A 1.78 mm	N/A 70	N/A 129.40 mm
123.44 X 1.78 U-70	N/A 137793	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS546	N/A 1.78 mm	N/A 70	N/A 123.44 mm
117.1 X 1.78 U-70	N/A 137703	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS544	N/A 1.78 mm	N/A 70	N/A 117.10 mm
110.74 X 1.78 U-70	N/A 137635	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS542	N/A 1.78 mm	N/A 70	N/A 110.74 mm
104.4 X 1.78 U-70	N/A 137537	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS540	N/A 1.78 mm	N/A 70	N/A 104.40 mm
98.05 X 1.78 U-70	N/A 141498	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS538	N/A 1.78 mm	N/A 70	N/A 98.05 mm
91.7 X 1.78 U-70	N/A 141410	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS536	N/A 1.78 mm	N/A 70	N/A 91.70 mm
85.34 X 1.78 U-70	N/A 141302	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS534	N/A 1.78 mm	N/A 70	N/A 85.34 mm
79 X 1.78 U-70	N/A 141173	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS532	N/A 1.78 mm	N/A 70	N/A 79.00 mm
39.45 X 1.78 U-70	N/A 140093	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS519	N/A 1.78 mm	N/A 70	N/A 39.45 mm

N/A
138649

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS607

N/A 1.02 mm

N/A 70

N/A 2.54 mm

1.78 X 1.02 U-70

N/A
137448

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS606

N/A 1.02 mm

N/A 70

N/A 1.78 mm

173.87 X 1.78 U-70

N/A
138385

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS562

N/A 1.78 mm

N/A 70

N/A 173.87 mm

170.69 X 1.78 U-70

N/A
138365

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS561

N/A 1.78 mm

N/A 70

N/A 170.69 mm

167.51 X 1.78 U-70

N/A
138312

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS560

N/A 1.78 mm

N/A 70

N/A 167.51 mm

164.34 X 1.78 U-70

N/A
138285

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS559

N/A 1.78 mm

N/A 70

N/A 164.34 mm

161.16 X 1.78 U-70

N/A
138265

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS558

N/A 1.78 mm

N/A 70

N/A 161.16 mm

158 X 1.78 U-70

N/A
138206

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS557

N/A 1.78 mm

N/A 70

N/A 158.00 mm

154.81 X 1.78 U-70

N/A
138183

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS556

N/A 1.78 mm

N/A 70

N/A 154.81 mm

151.64 X 1.78 U-70

N/A
138159

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS555

N/A 1.78 mm

N/A 70

N/A 151.64 mm

148.46 X 1.78 U-70

N/A
138095

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS554

N/A 1.78 mm

N/A 70

N/A 148.46 mm

145.29 X 1.78 U-70

N/A
138072

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS553

N/A 1.78 mm

N/A 70

N/A 145.29 mm

142.11 X 1.78 U-70

N/A
138040

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS552

N/A 1.78 mm

N/A 70

N/A 142.11 mm

138.94 X 1.78 U-70

N/A
137975

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS551

N/A 1.78 mm

N/A 70

N/A 138.94 mm

135.76 X 1.78 U-70

N/A
137950

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS550

N/A 1.78 mm

N/A 70

N/A 135.76 mm

129.4 X 1.78 U-70

N/A
137855

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS548

N/A 1.78 mm

N/A 70

N/A 129.40 mm

123.44 X 1.78 U-70

N/A
137793

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS546

N/A 1.78 mm

N/A 70

N/A 123.44 mm

117.1 X 1.78 U-70

N/A
137703

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS544

N/A 1.78 mm

N/A 70

N/A 117.10 mm

110.74 X 1.78 U-70

N/A
137635

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS542

N/A 1.78 mm

N/A 70

N/A 110.74 mm

104.4 X 1.78 U-70

N/A
137537

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS540

N/A 1.78 mm

N/A 70

N/A 104.40 mm

98.05 X 1.78 U-70

N/A
141498

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS538

N/A 1.78 mm

N/A 70

N/A 98.05 mm

91.7 X 1.78 U-70

N/A
141410

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS536

N/A 1.78 mm

N/A 70

N/A 91.70 mm

85.34 X 1.78 U-70

N/A
141302

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS534

N/A 1.78 mm

N/A 70

N/A 85.34 mm

79 X 1.78 U-70

N/A
141173

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS532

N/A 1.78 mm

N/A 70

N/A 79.00 mm

39.45 X 1.78 U-70

N/A
140093

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS519

N/A 1.78 mm

N/A 70

N/A 39.45 mm