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Nitrile Rubber O-Rings
4mm Section 44mm 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: 44mm
Outside Diameter: 52mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
5mm Section 36mm 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: 36mm
Outside Diameter: 46mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
5mm Section 37mm 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: 37mm
Outside Diameter: 47mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
5mm Section 38mm 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: 38mm
Outside Diameter: 48mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
5mm Section 39mm 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: 39mm
Outside Diameter: 49mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
6mm Section 40mm 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: 6mm
Inside Diameter: 40mm
Outside Diameter: 52mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS039 1.78mm Section 69.57mm 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: 1.78mm
Inside Diameter: 69.57mm
Outside Diameter: 73.13mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS143 2.62mm Section 61.6mm 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: 2.62mm
Inside Diameter: 61.6mm
Outside Diameter: 66.84mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS144 2.62mm Section 63.17mm 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: 2.62mm
Inside Diameter: 63.17mm
Outside Diameter: 68.41mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS145 2.62mm Section 64.77mm 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: 2.62mm
Inside Diameter: 64.77mm
Outside Diameter: 70.01mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS226 3.53mm Section 50.39mm 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: 3.53mm
Inside Diameter: 50.39mm
Outside Diameter: 57.45mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS227 3.53mm Section 53.57mm 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: 3.53mm
Inside Diameter: 53.57mm
Outside Diameter: 60.63mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS324 5.33mm Section 34.29mm 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: 34.29mm
Outside Diameter: 44.95mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS325 5.33mm Section 37.47mm 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: 37.47mm
Outside Diameter: 48.13mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS831 3.53mm Section 50.8mm 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: 3.53mm
Inside Diameter: 50.8mm
Outside Diameter: 57.86mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS832 3.53mm Section 52.4mm 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: 3.53mm
Inside Diameter: 52.4mm
Outside Diameter: 59.46mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS833 3.53mm Section 53.97mm 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: 3.53mm
Inside Diameter: 53.97mm
Outside Diameter: 61.03mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
BS932 3mm Section 59.36mm 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: 59.36mm
Outside Diameter: 65.36mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
1.5mm Section 82mm 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: 1.5mm
Inside Diameter: 82mm
Outside Diameter: 85mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
1.5mm Section 83mm 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: 1.5mm
Inside Diameter: 83mm
Outside Diameter: 86mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
2.4mm Section 69.6mm 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: 2.4mm
Inside Diameter: 69.6mm
Outside Diameter: 74.4mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
2.5mm Section 70mm Bore NITRILE 70 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: 2.5mm
Inside Diameter: 70mm
Outside Diameter: 75mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
2.5mm Section 71mm Bore NITRILE 70 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: 2.5mm
Inside Diameter: 71mm
Outside Diameter: 76mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
2.5mm Section 72mm Bore NITRILE 70 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: 2.5mm
Inside Diameter: 72mm
Outside Diameter: 77mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
2mm Section 72mm 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: 2mm
Inside Diameter: 72mm
Outside Diameter: 76mm
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]
