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
167.7 X 5.33 U-70	N/A 138313	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS646	N/A 5.33 mm	N/A 70	N/A 167.70 mm
161.3 X 5.33 U-70	N/A 138266	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS645	N/A 5.33 mm	N/A 70	N/A 161.30 mm
155 X 5.33 U-70	N/A 138191	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS644	N/A 5.33 mm	N/A 70	N/A 155.00 mm
83.8 X 2.62 U-70	N/A 141267	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS643	N/A 2.62 mm	N/A 70	N/A 83.80 mm
80.6 X 2.62 U-70	N/A 141229	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS642	N/A 2.62 mm	N/A 70	N/A 80.60 mm
77.5 X 2.62 U-70	N/A 141155	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS641	N/A 2.62 mm	N/A 70	N/A 77.50 mm
74.3 X 2.62 U-70	N/A 141108	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS640	N/A 2.62 mm	N/A 70	N/A 74.30 mm
166.7 X 6.99 U-70	N/A 138306	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS628	N/A 6.99 mm	N/A 70	N/A 166.70 mm
159.5 X 6.99 U-70	N/A 138225	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS627	N/A 6.99 mm	N/A 70	N/A 159.50 mm
134.5 X 6.99 U-70	N/A 137942	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS626	N/A 6.99 mm	N/A 70	N/A 134.50 mm
124.6 X 6.99 U-70	N/A 137808	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS625	N/A 6.99 mm	N/A 70	N/A 124.60 mm
114.7 X 6.99 U-70	N/A 137677	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS624	N/A 6.99 mm	N/A 70	N/A 114.70 mm
109.54 X 5.33 U-70	N/A 137595	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS623	N/A 5.33 mm	N/A 70	N/A 109.54 mm
100 X 5.33 U-70	N/A 137494	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS622	N/A 5.33 mm	N/A 70	N/A 100.00 mm
89.69 X 5.33 U-70	N/A 141354	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS621	N/A 5.33 mm	N/A 70	N/A 89.69 mm
79.73 X 5.33 U-70	N/A 141188	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS620	N/A 5.33 mm	N/A 70	N/A 79.73 mm
74.63 X 5.33 U-70	N/A 141115	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS619	N/A 5.33 mm	N/A 70	N/A 74.63 mm
25.8 X 3.53 U-70	N/A 139153	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS618	N/A 3.53 mm	N/A 70	N/A 25.80 mm
17.86 X 2.62 U-70	N/A 138355	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS617	N/A 2.62 mm	N/A 70	N/A 17.86 mm
15.08 X 2.62 U-70	N/A 138125	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS616	N/A 2.62 mm	N/A 70	N/A 15.08 mm
13.1 X 2.62 U-70	N/A 137874	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS615	N/A 2.62 mm	N/A 70	N/A 13.10 mm
11.91 X 2.62 U-70	N/A 137622	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS614	N/A 2.62 mm	N/A 70	N/A 11.91 mm
9.9 X 2.62 U-70	N/A 141387	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS613	N/A 2.62 mm	N/A 70	N/A 9.90 mm
8.73 X 1.78 U-70	N/A 141213	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS611	N/A 1.78 mm	N/A 70	N/A 8.73 mm
6.75 X 1.78 U-70	N/A 140825	N/A Metric Standard O-Ring	N/A Polyurethane	N/A BS610	N/A 1.78 mm	N/A 70	N/A 6.75 mm

N/A
138313

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS646

N/A 5.33 mm

N/A 70

N/A 167.70 mm

161.3 X 5.33 U-70

N/A
138266

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS645

N/A 5.33 mm

N/A 70

N/A 161.30 mm

155 X 5.33 U-70

N/A
138191

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS644

N/A 5.33 mm

N/A 70

N/A 155.00 mm

83.8 X 2.62 U-70

N/A
141267

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS643

N/A 2.62 mm

N/A 70

N/A 83.80 mm

80.6 X 2.62 U-70

N/A
141229

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS642

N/A 2.62 mm

N/A 70

N/A 80.60 mm

77.5 X 2.62 U-70

N/A
141155

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS641

N/A 2.62 mm

N/A 70

N/A 77.50 mm

74.3 X 2.62 U-70

N/A
141108

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS640

N/A 2.62 mm

N/A 70

N/A 74.30 mm

166.7 X 6.99 U-70

N/A
138306

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS628

N/A 6.99 mm

N/A 70

N/A 166.70 mm

159.5 X 6.99 U-70

N/A
138225

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS627

N/A 6.99 mm

N/A 70

N/A 159.50 mm

134.5 X 6.99 U-70

N/A
137942

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS626

N/A 6.99 mm

N/A 70

N/A 134.50 mm

124.6 X 6.99 U-70

N/A
137808

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS625

N/A 6.99 mm

N/A 70

N/A 124.60 mm

114.7 X 6.99 U-70

N/A
137677

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS624

N/A 6.99 mm

N/A 70

N/A 114.70 mm

109.54 X 5.33 U-70

N/A
137595

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS623

N/A 5.33 mm

N/A 70

N/A 109.54 mm

100 X 5.33 U-70

N/A
137494

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS622

N/A 5.33 mm

N/A 70

N/A 100.00 mm

89.69 X 5.33 U-70

N/A
141354

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS621

N/A 5.33 mm

N/A 70

N/A 89.69 mm

79.73 X 5.33 U-70

N/A
141188

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS620

N/A 5.33 mm

N/A 70

N/A 79.73 mm

74.63 X 5.33 U-70

N/A
141115

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS619

N/A 5.33 mm

N/A 70

N/A 74.63 mm

25.8 X 3.53 U-70

N/A
139153

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS618

N/A 3.53 mm

N/A 70

N/A 25.80 mm

17.86 X 2.62 U-70

N/A
138355

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS617

N/A 2.62 mm

N/A 70

N/A 17.86 mm

15.08 X 2.62 U-70

N/A
138125

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS616

N/A 2.62 mm

N/A 70

N/A 15.08 mm

13.1 X 2.62 U-70

N/A
137874

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS615

N/A 2.62 mm

N/A 70

N/A 13.10 mm

11.91 X 2.62 U-70

N/A
137622

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS614

N/A 2.62 mm

N/A 70

N/A 11.91 mm

9.9 X 2.62 U-70

N/A
141387

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS613

N/A 2.62 mm

N/A 70

N/A 9.90 mm

8.73 X 1.78 U-70

N/A
141213

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS611

N/A 1.78 mm

N/A 70

N/A 8.73 mm

6.75 X 1.78 U-70

N/A
140825

N/A Metric Standard O-Ring

N/A Polyurethane

N/A BS610

N/A 1.78 mm

N/A 70

N/A 6.75 mm