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
29.87 X 1.78 U-70	N/A 139432	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 25	N/A 1.78 mm	N/A 70	N/A 29.87 mm
123.42 X 3.53 U-70	N/A 137792	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 249	N/A 3.53 mm	N/A 70	N/A 123.42 mm
120.24 X 3.53 U-70	N/A 137766	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 248	N/A 3.53 mm	N/A 70	N/A 120.24 mm
117.07 X 3.53 U-70	N/A 137702	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 247	N/A 3.53 mm	N/A 70	N/A 117.07 mm
110.72 X 3.53 U-70	N/A 137634	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 246	N/A 3.53 mm	N/A 70	N/A 110.72 mm
113.89 X 3.53 U-70	N/A 137659	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 246	N/A 3.53 mm	N/A 70	N/A 113.89 mm
107.54 X 3.53 U-70	N/A 137570	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 244	N/A 3.53 mm	N/A 70	N/A 107.54 mm
104.37 X 3.53 U-70	N/A 137536	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 243	N/A 3.53 mm	N/A 70	N/A 104.37 mm
101.19 X 3.53 U-70	N/A 137507	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 242	N/A 3.53 mm	N/A 70	N/A 101.19 mm
98.02 X 3.53 U-70	N/A 141497	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 241	N/A 3.53 mm	N/A 70	N/A 98.02 mm
94.84 X 3.53 U-70	N/A 141450	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 240	N/A 3.53 mm	N/A 70	N/A 94.84 mm
28.3 X 1.78 U-70	N/A 139354	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 24	N/A 1.78 mm	N/A 70	N/A 28.30 mm
91.67 X 3.53 U-70	N/A 141409	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 239	N/A 3.53 mm	N/A 70	N/A 91.67 mm
88.49 X 3.53 U-70	N/A 141333	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 238	N/A 3.53 mm	N/A 70	N/A 88.49 mm
85.32 X 3.53 U-70	N/A 141301	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 237	N/A 3.53 mm	N/A 70	N/A 85.32 mm
82.14 X 3.53 U-70	N/A 141253	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 236	N/A 3.53 mm	N/A 70	N/A 82.14 mm
78.97 X 3.53 U-70	N/A 141170	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 235	N/A 3.53 mm	N/A 70	N/A 78.97 mm
75.79 X 3.53 U-70	N/A 141134	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 234	N/A 3.53 mm	N/A 70	N/A 75.79 mm
72.62 X 3.53 U-70	N/A 141078	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 233	N/A 3.53 mm	N/A 70	N/A 72.62 mm
69.44 X 3.53 U-70	N/A 141001	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 232	N/A 3.53 mm	N/A 70	N/A 69.44 mm
66.27 X 3.53 U-70	N/A 140950	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 231	N/A 3.53 mm	N/A 70	N/A 66.27 mm
63.09 X 3.53 U-70	N/A 140893	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 230	N/A 3.53 mm	N/A 70	N/A 63.09 mm
26.7 X 1.78 U-70	N/A 139224	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 23	N/A 1.78 mm	N/A 70	N/A 26.70 mm
59.92 X 3.53 U-70	N/A 140794	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 229	N/A 3.53 mm	N/A 70	N/A 59.92 mm
56.74 X 3.53 U-70	N/A 140736	N/A Metric Standard O-Ring	N/A Polyurethane	N/A 228	N/A 3.53 mm	N/A 70	N/A 56.74 mm

N/A
139432

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 25

N/A 1.78 mm

N/A 70

N/A 29.87 mm

123.42 X 3.53 U-70

N/A
137792

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 249

N/A 3.53 mm

N/A 70

N/A 123.42 mm

120.24 X 3.53 U-70

N/A
137766

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 248

N/A 3.53 mm

N/A 70

N/A 120.24 mm

117.07 X 3.53 U-70

N/A
137702

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 247

N/A 3.53 mm

N/A 70

N/A 117.07 mm

110.72 X 3.53 U-70

N/A
137634

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 246

N/A 3.53 mm

N/A 70

N/A 110.72 mm

113.89 X 3.53 U-70

N/A
137659

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 246

N/A 3.53 mm

N/A 70

N/A 113.89 mm

107.54 X 3.53 U-70

N/A
137570

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 244

N/A 3.53 mm

N/A 70

N/A 107.54 mm

104.37 X 3.53 U-70

N/A
137536

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 243

N/A 3.53 mm

N/A 70

N/A 104.37 mm

101.19 X 3.53 U-70

N/A
137507

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 242

N/A 3.53 mm

N/A 70

N/A 101.19 mm

98.02 X 3.53 U-70

N/A
141497

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 241

N/A 3.53 mm

N/A 70

N/A 98.02 mm

94.84 X 3.53 U-70

N/A
141450

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 240

N/A 3.53 mm

N/A 70

N/A 94.84 mm

28.3 X 1.78 U-70

N/A
139354

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 24

N/A 1.78 mm

N/A 70

N/A 28.30 mm

91.67 X 3.53 U-70

N/A
141409

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 239

N/A 3.53 mm

N/A 70

N/A 91.67 mm

88.49 X 3.53 U-70

N/A
141333

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 238

N/A 3.53 mm

N/A 70

N/A 88.49 mm

85.32 X 3.53 U-70

N/A
141301

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 237

N/A 3.53 mm

N/A 70

N/A 85.32 mm

82.14 X 3.53 U-70

N/A
141253

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 236

N/A 3.53 mm

N/A 70

N/A 82.14 mm

78.97 X 3.53 U-70

N/A
141170

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 235

N/A 3.53 mm

N/A 70

N/A 78.97 mm

75.79 X 3.53 U-70

N/A
141134

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 234

N/A 3.53 mm

N/A 70

N/A 75.79 mm

72.62 X 3.53 U-70

N/A
141078

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 233

N/A 3.53 mm

N/A 70

N/A 72.62 mm

69.44 X 3.53 U-70

N/A
141001

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 232

N/A 3.53 mm

N/A 70

N/A 69.44 mm

66.27 X 3.53 U-70

N/A
140950

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 231

N/A 3.53 mm

N/A 70

N/A 66.27 mm

63.09 X 3.53 U-70

N/A
140893

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 230

N/A 3.53 mm

N/A 70

N/A 63.09 mm

26.7 X 1.78 U-70

N/A
139224

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 23

N/A 1.78 mm

N/A 70

N/A 26.70 mm

59.92 X 3.53 U-70

N/A
140794

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 229

N/A 3.53 mm

N/A 70

N/A 59.92 mm

56.74 X 3.53 U-70

N/A
140736

N/A Metric Standard O-Ring

N/A Polyurethane

N/A 228

N/A 3.53 mm

N/A 70

N/A 56.74 mm