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Nitrile Rubber O-Rings
3mm Section 221mm Bore NITRILE 70 Shore Rubber O-Rings
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: 3mm
Inside Diameter: 221mm
Outside Diameter: 227mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
3mm Section 222mm Bore NITRILE 70 Shore Rubber O-Rings
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: 3mm
Inside Diameter: 222mm
Outside Diameter: 228mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
4mm Section 201mm Bore NITRILE 70 Shore Rubber O-Rings
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: 4mm
Inside Diameter: 201mm
Outside Diameter: 209mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
5.7mm Section 169.3mm Bore NITRILE 70 Shore Rubber O-Rings
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: 5.7mm
Inside Diameter: 169.3mm
Outside Diameter: 180.7mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
5mm Section 197mm Bore NITRILE 70 Shore Rubber O-Rings
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: 5mm
Inside Diameter: 197mm
Outside Diameter: 207mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS367 5.33mm Section 189.87mm Bore NITRILE 70 Shore Rubber O-Rings
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: 189.87mm
Outside Diameter: 200.53mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS872 7mm Section 155.6mm Bore NITRILE 70 Shore Rubber O-Rings
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: 155.6mm
Outside Diameter: 169.6mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
3mm Section 140mm Bore NITRILE 90 Shore Rubber O-Rings - 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: 3mm
Inside Diameter: 140mm
Outside Diameter: 146mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
3mm Section 141mm Bore NITRILE 90 Shore Rubber O-Rings - 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: 3mm
Inside Diameter: 141mm
Outside Diameter: 147mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
4mm Section 118mm Bore NITRILE 90 Shore Rubber O-Rings - 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: 4mm
Inside Diameter: 118mm
Outside Diameter: 126mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
4mm Section 119mm Bore NITRILE 90 Shore Rubber O-Rings - 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: 4mm
Inside Diameter: 119mm
Outside Diameter: 127mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
4mm Section 120mm Bore NITRILE 90 Shore Rubber O-Rings - 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: 4mm
Inside Diameter: 120mm
Outside Diameter: 128mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
5.7mm Section 99.1mm Bore NITRILE 90 Shore Rubber O-Rings - 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: 5.7mm
Inside Diameter: 99.1mm
Outside Diameter: 110.5mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
5.7mm Section 99.3mm Bore NITRILE 90 Shore Rubber O-Rings - 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: 5.7mm
Inside Diameter: 99.3mm
Outside Diameter: 110.7mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
5mm Section 114mm Bore NITRILE 90 Shore Rubber O-Rings - 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: 5mm
Inside Diameter: 114mm
Outside Diameter: 124mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
5mm Section 116mm Bore NITRILE 90 Shore Rubber O-Rings - 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: 5mm
Inside Diameter: 116mm
Outside Diameter: 126mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
5mm Section 117mm Bore NITRILE 90 Shore Rubber O-Rings
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: 5mm
Inside Diameter: 117mm
Outside Diameter: 127mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS163 2.62mm Section 152.07mm Bore NITRILE 90 Shore Rubber O-Rings
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: 2.62mm
Inside Diameter: 152.07mm
Outside Diameter: 157.31mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS253 3.53mm Section 136.12mm Bore NITRILE 90 Shore Rubber O-Rings
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: 136.12mm
Outside Diameter: 143.18mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS254 3.53mm Section 139.3mm Bore NITRILE 90 Shore Rubber O-Rings - 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: 139.3mm
Outside Diameter: 146.36mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS346 5.33mm Section 104.14mm Bore NITRILE 90 Shore Rubber O-Rings - 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: 104.14mm
Outside Diameter: 114.8mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
3mm Section 223mm Bore NITRILE 70 Shore Rubber O-Rings
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: 3mm
Inside Diameter: 223mm
Outside Diameter: 229mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
3mm Section 224mm Bore NITRILE 70 Shore Rubber O-Rings
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: 3mm
Inside Diameter: 224mm
Outside Diameter: 230mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS438 7mm Section 158.12mm Bore NITRILE 70 Shore Rubber O-Rings
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: 158.12mm
Outside Diameter: 172.12mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
3mm Section 142mm Bore NITRILE 90 Shore Rubber O-Rings
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: 3mm
Inside Diameter: 142mm
Outside Diameter: 148mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
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]

