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Nitrile Rubber O-Rings
BS378 5.33mm Section 266.07mm 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: 266.07mm
Outside Diameter: 276.73mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS436 7mm Section 148.59mm 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: 7mm
Inside Diameter: 148.59mm
Outside Diameter: 162.59mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS447 7mm Section 227.97mm 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: 7mm
Inside Diameter: 227.97mm
Outside Diameter: 241.97mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS449 7mm Section 253.37mm 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: 253.37mm
Outside Diameter: 267.37mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS457 7mm Section 354.97mm 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: 354.97mm
Outside Diameter: 368.97mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS459 7mm Section 380.37mm 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: 380.37mm
Outside Diameter: 394.37mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS678 7mm Section 234.32mm 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: 7mm
Inside Diameter: 234.32mm
Outside Diameter: 248.32mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS874 7mm Section 161.9mm 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: 7mm
Inside Diameter: 161.9mm
Outside Diameter: 175.9mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
3mm Section 250mm 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: 3mm
Inside Diameter: 250mm
Outside Diameter: 256mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
4mm Section 218mm 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: 4mm
Inside Diameter: 218mm
Outside Diameter: 226mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
5.7mm Section 269.3mm 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: 5.7mm
Inside Diameter: 269.3mm
Outside Diameter: 280.7mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
5mm Section 245mm 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: 5mm
Inside Diameter: 245mm
Outside Diameter: 255mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
5mm Section 250mm 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: 5mm
Inside Diameter: 250mm
Outside Diameter: 260mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
6mm Section 250mm 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: 6mm
Inside Diameter: 250mm
Outside Diameter: 262mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS102 2.62mm Section 1.25mm 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: 2.62mm
Inside Diameter: 1.25mm
Outside Diameter: 6.49mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS274 3.53mm Section 253.6mm 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: 253.6mm
Outside Diameter: 260.66mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS278 3.53mm Section 304.39mm 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: 304.39mm
Outside Diameter: 311.45mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS379 5.33mm Section 278.77mm 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: 278.77mm
Outside Diameter: 289.43mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS381 5.33mm Section 304.17mm 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: 304.17mm
Outside Diameter: 314.83mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS437 7mm Section 151.77mm 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: 7mm
Inside Diameter: 151.77mm
Outside Diameter: 165.77mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS449 7mm Section 253.37mm 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: 7mm
Inside Diameter: 253.37mm
Outside Diameter: 267.37mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS680 7mm Section 247mm 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: 7mm
Inside Diameter: 247mm
Outside Diameter: 261mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
2.5mm Section 7.5mm 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: 2.5mm
Inside Diameter: 7.5mm
Outside Diameter: 12.5mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
3.5mm Section 275mm 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: 3.5mm
Inside Diameter: 275mm
Outside Diameter: 282mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
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3mm Section 230mm 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: 3mm
Inside Diameter: 230mm
Outside Diameter: 236mm
Hardness: * 70 Shore (Most Common)
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]

