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Nitrile Rubber O-Rings
BS378 5.33mm Section 266.07mm 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: 266.07mm
Outside Diameter: 276.73mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS676 7mm Section 221.62mm 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: 7mm
Inside Diameter: 221.62mm
Outside Diameter: 235.62mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
8mm Section 62mm 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: 8mm
Inside Diameter: 62mm
Outside Diameter: 78mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
5.7mm Section 269.3mm 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: 269.3mm
Outside Diameter: 280.7mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS447 7mm Section 227.97mm 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: 7mm
Inside Diameter: 227.97mm
Outside Diameter: 241.97mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
5mm Section 374mm 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: 374mm
Outside Diameter: 384mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS678 7mm Section 234.32mm 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: 7mm
Inside Diameter: 234.32mm
Outside Diameter: 248.32mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS278 3.53mm Section 304.39mm 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: 304.39mm
Outside Diameter: 311.45mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS448 7mm Section 240.67mm 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: 7mm
Inside Diameter: 240.67mm
Outside Diameter: 254.67mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS680 7mm Section 247mm 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: 7mm
Inside Diameter: 247mm
Outside Diameter: 261mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS449 7mm Section 253.37mm 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: 7mm
Inside Diameter: 253.37mm
Outside Diameter: 267.37mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS379 5.33mm Section 278.77mm 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: 278.77mm
Outside Diameter: 289.43mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS454 7mm Section 316.87mm 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: 7mm
Inside Diameter: 316.87mm
Outside Diameter: 330.87mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
5.7mm Section 279.3mm 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: 5.7mm
Inside Diameter: 279.3mm
Outside Diameter: 290.7mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS682 7mm Section 259.7mm 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: 7mm
Inside Diameter: 259.7mm
Outside Diameter: 273.7mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS383 5.33mm Section 354.97mm 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: 354.97mm
Outside Diameter: 365.63mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS455 7mm Section 329.57mm 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: 329.57mm
Outside Diameter: 343.57mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS649 7mm Section 323.2mm 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: 323.2mm
Outside Diameter: 337.2mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
8mm Section 175mm 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: 8mm
Inside Diameter: 175mm
Outside Diameter: 191mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS450 7mm Section 266.07mm 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: 7mm
Inside Diameter: 266.07mm
Outside Diameter: 280.07mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
3.5mm Section 340mm 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: 3.5mm
Inside Diameter: 340mm
Outside Diameter: 347mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
3mm Section 340mm 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: 340mm
Outside Diameter: 346mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
5.7mm Section 289.3mm 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: 289.3mm
Outside Diameter: 300.7mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
BS684 7mm Section 272.4mm 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: 7mm
Inside Diameter: 272.4mm
Outside Diameter: 286.4mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
5.7mm Section 359.3mm 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: 359.3mm
Outside Diameter: 370.7mm
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]

