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BS Buna O-Rings

 
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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.



   
  Results 1 - 25 of 926 Unit of Measure: Imperial Metric Both  1 2 3 4 5 »  

Item #

Type

Material

Cross Section Width

Durometer

Inside Diameter

CSW Tolerance

BS Number

Product Guides
BS903 B-70 BS Standard O-Ring Buna 0.064 in
1.63 mm 		70 0.301 in
7.65 mm 		0.003 in
0.08 mm 		-903 Seal Guides
BS903 B-90 BS Standard O-Ring Buna 0.064 in
1.63 mm 		90 0.301 in
7.65 mm 		0.003 in
0.08 mm 		-903 Seal Guides
BS902 B-70 BS Standard O-Ring Buna 0.064 in
1.63 mm 		70 0.239 in
6.07 mm 		0.003 in
0.08 mm 		-902 Seal Guides
BS902 B-90 BS Standard O-Ring Buna 0.064 in
1.63 mm 		90 0.239 in
6.07 mm 		0.003 in
0.08 mm 		-902 Seal Guides
BS886 B-70 BS Standard O-Ring Buna 0.275 in
6.99 mm 		70 7.875 in
200.03 mm 		0.006 in
0.15 mm 		-886 Seal Guides
BS886 B-90 BS Standard O-Ring Buna 0.275 in
6.99 mm 		90 7.875 in
200.03 mm 		0.006 in
0.15 mm 		-886 Seal Guides
BS884 B-70 BS Standard O-Ring Buna 0.275 in
6.99 mm 		70 7.625 in
193.68 mm 		0.006 in
0.15 mm 		-884 Seal Guides
BS884 B-90 BS Standard O-Ring Buna 0.275 in
6.99 mm 		90 7.625 in
193.68 mm 		0.006 in
0.15 mm 		-884 Seal Guides
BS882 B-70 BS Standard O-Ring Buna 0.275 in
6.99 mm 		70 7.375 in
187.33 mm 		0.006 in
0.15 mm 		-882 Seal Guides
BS882 B-90 BS Standard O-Ring Buna 0.275 in
6.99 mm 		90 7.375 in
187.33 mm 		0.006 in
0.15 mm 		-882 Seal Guides
BS880 B-70 BS Standard O-Ring Buna 0.275 in
6.99 mm 		70 7.125 in
180.98 mm 		0.006 in
0.15 mm 		-880 Seal Guides
BS880 B-90 BS Standard O-Ring Buna 0.275 in
6.99 mm 		90 7.125 in
180.98 mm 		0.006 in
0.15 mm 		-880 Seal Guides
BS878 B-70 BS Standard O-Ring Buna 0.275 in
6.99 mm 		70 6.875 in
174.63 mm 		0.006 in
0.15 mm 		-878 Seal Guides
BS878 B-90 BS Standard O-Ring Buna 0.275 in
6.99 mm 		90 6.875 in
174.63 mm 		0.006 in
0.15 mm 		-878 Seal Guides
BS876 B-70 BS Standard O-Ring Buna 0.275 in
6.99 mm 		70 6.625 in
168.28 mm 		0.006 in
0.15 mm 		-876 Seal Guides
BS876 B-90 BS Standard O-Ring Buna 0.275 in
6.99 mm 		90 6.625 in
168.28 mm 		0.006 in
0.15 mm 		-876 Seal Guides
BS874 B-70 BS Standard O-Ring Buna 0.275 in
6.99 mm 		70 6.375 in
161.93 mm 		0.006 in
0.15 mm 		-874 Seal Guides
BS874 B-90 BS Standard O-Ring Buna 0.275 in
6.99 mm 		90 6.375 in
161.93 mm 		0.006 in
0.15 mm 		-874 Seal Guides
BS872 B-70 BS Standard O-Ring Buna 0.275 in
6.99 mm 		70 6.125 in
155.58 mm 		0.006 in
0.15 mm 		-872 Seal Guides
BS872 B-90 BS Standard O-Ring Buna 0.275 in
6.99 mm 		90 6.125 in
155.58 mm 		0.006 in
0.15 mm 		-872 Seal Guides
BS870 B-70 BS Standard O-Ring Buna 0.210 in
5.33 mm 		70 5.875 in
149.23 mm 		0.005 in
0.13 mm 		-870 Seal Guides
BS870 B-90 BS Standard O-Ring Buna 0.210 in
5.33 mm 		90 5.875 in
149.23 mm 		0.005 in
0.13 mm 		-870 Seal Guides
BS869 B-70 BS Standard O-Ring Buna 0.210 in
5.33 mm 		70 5.75 in
146.05 mm 		0.005 in
0.13 mm 		-869 Seal Guides
BS869 B-90 BS Standard O-Ring Buna 0.210 in
5.33 mm 		90 5.75 in
146.05 mm 		0.005 in
0.13 mm 		-869 Seal Guides
BS868 B-70 BS Standard O-Ring Buna 0.210 in
5.33 mm 		70 5.625 in
142.88 mm 		0.005 in
0.13 mm 		-868 Seal Guides
  Results 1 - 25 of 926  1 2 3 4 5 »  
Monroe Engineering