OneMonroe BUNA O-Rings are engineered to provide dependable sealing solutions for a wide range of industrial applications. Crafted from high-quality BUNA-N material, also known as Nitrile, these O-rings deliver exceptional resistance to oils, fuels, and various chemicals, making them a top choice for machinery, automotive, and hydraulic systems. Their robust design ensures a reliable seal in both low and high-pressure environments, protecting against leaks, contamination, and wear. Each O-ring is manufactured to precise industry standards, offering a secure fit and lasting performance that businesses can depend on in even the most demanding conditions.
Our selection of BUNA O-rings includes an extensive variety of sizes and specifications, designed to suit a wide array of sealing needs. From small to large diameters, OneMonroe provides O-rings that can be used across multiple industries, including aerospace, manufacturing, and construction. These O-rings are versatile, supporting applications that require excellent abrasion resistance and the ability to perform reliably in temperatures ranging from -40°F to 212°F. OneMonroe BUNA O-Rings are known for their compatibility with petroleum-based fluids and are often the go-to choice for applications involving oil and gas, where durability and flexibility are essential.
OneMonroe is dedicated to delivering high-quality, cost-effective solutions that meet the unique needs of its customers. Our BUNA O-rings undergo rigorous testing and quality control to ensure each product meets strict performance standards. Whether you’re in need of O-rings for maintenance, repair, or original equipment manufacturing, OneMonroe's BUNA O-rings provide a dependable, long-lasting solution. With a commitment to exceptional customer service, Monroe ensures you have access to the precise sealing products you need to keep your operations running smoothly.
For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.
Cross Section Width (in)
Cross Section Width (mm)
Durometer
Inside Diameter (in)
Inside Diameter (mm)
Item # |
IntegrationID |
Type |
Material |
Cross Section Width |
Durometer |
Inside Diameter |
CSW Tolerance |
BS Number |
---|---|---|---|---|---|---|---|---|
BS120 B-90 |
IntegrationID
N/A 184968 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 0.987 in25.07 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -120 |
BS119 B-70 |
IntegrationID
N/A 184969 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.924 in23.47 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -119 |
BS119 B-90 |
IntegrationID
N/A 184970 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 0.924 in23.47 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -119 |
BS118 B-70 |
IntegrationID
N/A 184971 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.862 in21.89 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -118 |
BS118 B-90 |
IntegrationID
N/A 184972 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 0.862 in21.89 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -118 |
BS117 B-70 |
IntegrationID
N/A 184973 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.799 in20.29 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -117 |
BS117 B-90 |
IntegrationID
N/A 184974 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 0.799 in20.29 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -117 |
BS116 B-70 |
IntegrationID
N/A 184975 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.737 in18.72 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -116 |
BS116 B-90 |
IntegrationID
N/A 184976 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 0.737 in18.72 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -116 |
BS115 B-70 |
IntegrationID
N/A 184977 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.674 in17.12 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -115 |
BS115 B-90 |
IntegrationID
N/A 184978 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 0.674 in17.12 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -115 |
BS114 B-70 |
IntegrationID
N/A 184979 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.612 in15.54 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -114 |
BS114 B-90 |
IntegrationID
N/A 184980 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 0.612 in15.54 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -114 |
BS113 B-70 |
IntegrationID
N/A 184981 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.549 in13.94 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -113 |
BS113 B-90 |
IntegrationID
N/A 184982 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 0.549 in13.94 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -113 |
BS112 B-70 |
IntegrationID
N/A 184983 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.487 in12.37 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -112 |
BS112 B-90 |
IntegrationID
N/A 184984 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 0.487 in12.37 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -112 |
BS111 B-70 |
IntegrationID
N/A 184985 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.424 in10.77 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -111 |
BS111 B-90 |
IntegrationID
N/A 184986 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 0.424 in10.77 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -111 |
BS110 B-70 |
IntegrationID
N/A 184987 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.362 in9.19 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -110 |
BS110 B-90 |
IntegrationID
N/A 184988 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 0.362 in9.19 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -110 |
BS109 B-70 |
IntegrationID
N/A 184989 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.299 in7.59 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -109 |
BS109 B-90 |
IntegrationID
N/A 184990 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 0.299 in7.59 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -109 |
BS108 B-70 |
IntegrationID
N/A 184991 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 70 | Inside Diameter N/A 0.237 in6.02 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -108 |
BS108 B-90 |
IntegrationID
N/A 184992 |
Type N/A BS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A 90 | Inside Diameter N/A 0.237 in6.02 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -108 |