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Nitrile Rubber O-Rings
BS277 3.53mm Section 291.69mm Bore NITRILE 70 Shore Rubber O-Ring
Nitrile Rubber O Rings: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they are common in [show more]... |
Cross Section: 3.53mm
Inside Diameter: 291.69mm
Outside Diameter: 298.75mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
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BS318 5.33mm Section 24.77mm Bore NITRILE 90 Shore Rubber O-Ring - Allow 2-3 Days
Nitrile Rubber O Rings with 90 Shore Hardness: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they [show more]...
Cross Section: 5.33mm
Inside Diameter: 24.77mm
Outside Diameter: 35.43mm
Hardness: 90 Shore
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BS333 5.33mm Section 62.87mm Bore NITRILE 90 Shore Rubber O-Ring
Nitrile Rubber O Rings with 90 Shore Hardness: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they [show more]...
Cross Section: 5.33mm
Inside Diameter: 62.87mm
Outside Diameter: 73.53mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS339 5.33mm Section 81.92mm Bore NITRILE 90 Shore Rubber O-Ring
Nitrile Rubber O Rings with 90 Shore Hardness: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they [show more]...
Cross Section: 5.33mm
Inside Diameter: 81.92mm
Outside Diameter: 92.58mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS344 5.33mm Section 97.79mm Bore NITRILE 90 Shore Rubber O-Ring - Allow 2-3 Days
Nitrile Rubber O Rings with 90 Shore Hardness: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they [show more]...
Cross Section: 5.33mm
Inside Diameter: 97.79mm
Outside Diameter: 108.45mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS345 5.33mm Section 100.97mm Bore NITRILE 90 Shore Rubber O-Ring
Nitrile Rubber O Rings with 90 Shore Hardness: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they [show more]...
Cross Section: 5.33mm
Inside Diameter: 100.97mm
Outside Diameter: 111.63mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS348 5.33mm Section 110.49mm Bore NITRILE 90 Shore Rubber O-Ring - Allow 2-3 Days
Nitrile Rubber O Rings with 90 Shore Hardness: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they [show more]...
Cross Section: 5.33mm
Inside Diameter: 110.49mm
Outside Diameter: 121.15mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS349 5.33mm Section 113.67mm Bore NITRILE 90 Shore Rubber O-Ring - Allow 2-3 Days
Nitrile Rubber O Rings with 90 Shore Hardness: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they [show more]...
Cross Section: 5.33mm
Inside Diameter: 113.67mm
Outside Diameter: 124.33mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS351 5.33mm Section 120.02mm Bore NITRILE 90 Shore Rubber O-Ring - Allow 2-3 Days
Nitrile Rubber O Rings with 90 Shore Hardness: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they [show more]...
Cross Section: 5.33mm
Inside Diameter: 120.02mm
Outside Diameter: 130.68mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS352 5.33mm Section 123.19mm Bore NITRILE 90 Shore Rubber O-Ring - Allow 2-3 Days
Nitrile Rubber O Rings with 90 Shore Hardness: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they [show more]...
Cross Section: 5.33mm
Inside Diameter: 123.19mm
Outside Diameter: 133.85mm
Hardness: 90 Shore
O-ring Lubricants?
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BS354 5.33mm Section 129.54mm Bore NITRILE 90 Shore Rubber O-Ring - Allow 2-3 Days
Nitrile Rubber O Rings with 90 Shore Hardness: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they [show more]...
Cross Section: 5.33mm
Inside Diameter: 129.54mm
Outside Diameter: 140.2mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS359 5.33mm Section 145.42mm Bore NITRILE 70 Shore Rubber O-Ring
Nitrile Rubber O Rings: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they are common in [show more]... |
Cross Section: 5.33mm
Inside Diameter: 145.42mm
Outside Diameter: 156.08mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS365 5.33mm Section 177.17mm Bore NITRILE 70 Shore Rubber O-Ring
Nitrile Rubber O Rings: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they are common in [show more]... |
Cross Section: 5.33mm
Inside Diameter: 177.17mm
Outside Diameter: 187.83mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS434 7mm Section 142.24mm Bore NITRILE 70 Shore Rubber O-Ring
Nitrile Rubber O Rings: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they are common in [show more]... |
Cross Section: 7mm
Inside Diameter: 142.24mm
Outside Diameter: 156.24mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
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BS558 1.78mm Section 161.16mm Bore NITRILE 70 Shore Rubber O-Ring
Nitrile Rubber O Rings: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they are common in [show more]... |
Cross Section: 1.78mm
Inside Diameter: 161.16mm
Outside Diameter: 164.72mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
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BS558 1.78mm Section 161.16mm Bore NITRILE 90 Shore Rubber O-Ring - Allow 2-3 Days
Nitrile Rubber O Rings with 90 Shore Hardness: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they [show more]...
Cross Section: 1.78mm
Inside Diameter: 161.16mm
Outside Diameter: 164.72mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS559 1.78mm Section 164.34mm Bore NITRILE 70 Shore Rubber O-Ring
Nitrile Rubber O Rings: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they are common in [show more]... |
Cross Section: 1.78mm
Inside Diameter: 164.34mm
Outside Diameter: 167.9mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS560 1.78mm Section 167.51mm Bore NITRILE 70 Shore Rubber O-Ring
Nitrile Rubber O Rings: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they are common in [show more]... |
Cross Section: 1.78mm
Inside Diameter: 167.51mm
Outside Diameter: 171.07mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
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BS561 1.78mm Section 170.69mm Bore NITRILE 90 Shore Rubber O-Ring - Allow 2-3 Days
Nitrile Rubber O Rings with 90 Shore Hardness: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they [show more]...
Cross Section: 1.78mm
Inside Diameter: 170.69mm
Outside Diameter: 174.25mm
Hardness: 90 Shore
O-ring Lubricants?
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BS562 1.78mm Section 173.87mm Bore NITRILE 90 Shore Rubber O-Ring - Allow 2-3 Days
Nitrile Rubber O Rings with 90 Shore Hardness: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they [show more]...
Cross Section: 1.78mm
Inside Diameter: 173.87mm
Outside Diameter: 177.43mm
Hardness: 90 Shore
O-ring Lubricants?
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BS622 5.33mm Section 100mm Bore NITRILE 70 Shore Rubber O-Ring
Nitrile Rubber O Rings: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they are common in [show more]... |
Cross Section: 5.33mm
Inside Diameter: 100mm
Outside Diameter: 110.66mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
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BS622 5.33mm Section 100mm Bore NITRILE 90 Shore Rubber O-Ring - Allow 2-3 Days
Nitrile Rubber O Rings with 90 Shore Hardness: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they [show more]...
Cross Section: 5.33mm
Inside Diameter: 100mm
Outside Diameter: 110.66mm
Hardness: 90 Shore
O-ring Lubricants?
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BS623 5.33mm Section 109.54mm Bore NITRILE 70 Shore Rubber O-Ring
Nitrile Rubber O Rings: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they are common in [show more]... |
Cross Section: 5.33mm
Inside Diameter: 109.54mm
Outside Diameter: 120.2mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
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BS626 7mm Section 134.5mm Bore NITRILE 70 Shore Rubber O-Ring
Nitrile Rubber O Rings: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they are common in [show more]... |
Cross Section: 7mm
Inside Diameter: 134.5mm
Outside Diameter: 148.5mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
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BS840 3.53mm Section 65.1mm Bore NITRILE 90 Shore Rubber O-Ring - Allow 2-3 Days
Nitrile Rubber O Rings with 90 Shore Hardness: Probably one of the most widely used and simplest types of seal they are found everywhere from plumbing installations to the space shuttle, they [show more]...
Cross Section: 3.53mm
Inside Diameter: 65.1mm
Outside Diameter: 72.16mm
Hardness: 90 Shore
O-ring Lubricants?
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Nitrile O Rings
Simply Bearings is a market-leading supplier of replacement parts for a huge variety of industrial and plant equipment. We are proud to offer a wide selection of nitrile O rings from our modern warehouse based in the heart of Lancashire. The range of nitrile O rings that we stock is truly extensive, with O ring cross sections varying from 0.5mm to 7mm and inside/outside diameters ranging from 0.74mm to over 670mm. This allows us to say with confidence that we can supply the precise product to meet your requirements.
Nitrile rubber is a polymer-based synthetic rubber that displays a high resistance to hydrocarbons, acids and oil, among other chemicals. Nitrile, otherwise known as Buna-N or NBR, is widely used across many branches of industry to make fuel and oil handling equipment, such as hoses, seals and self-sealing fuel tanks in cases where ordinary organic rubber would fail. Nitrile rubber can withstand temperatures ranging from -40c to +108c, and it is even used in aeronautical and nuclear applications.
O rings are one of the simplest and most widely used form of seal, which is not surprising given that they are largely affordable, easy to mount and reliable. O rings can be used in static or dynamic applications, and they enable both linear and rotary movement, making them ideal for hydraulic cylinder pistons or rotating pump shafts. Nitrile oil seals are also commonly used in automotive applications to provide a durable and secure sealing solution.
You can conveniently search our extensive range using either the drop-down menus at the top of the page, or if you know specifically what you're looking for, try searching by size with the search boxes located to the left of the page.
For more information on the specific chemical resistances of any of the nitrile oil seals in our range, simply click Chemical Resistance Table to view a searchable list of chemicals and see how they interact with that specific O ring. O ring compatibility with each chemical is rated from 1 for Excellent to * for Totally Unsuitable to ensure that you find a product that will do its job safely and successfully.
We are committed to providing our clients with the highest levels of customer service, so it's only natural that we offer free delivery on all orders in the UK. We also offer generous price reductions for higher-volume purchases. If you have any questions or need help in finding the right nitrile O rings for your application, please get in touch and a knowledgeable and friendly member of our team will be happy to assist you.







Chemical Resistance Table [Click Here]
Tolerance Table [Click Here]

