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NITRILE X-Rings
Q4474 6.99mm Section 633.48mm Bore Quad Section NITRILE 90 Rubber X-Rings
Nitrile Rubber X Rings with 90 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
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Cross Section: 6.99mm
Inside Diameter: 633.48mm
Outside Diameter: 647.46mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4475 6.99mm Section 658.88mm Bore Quad Section NITRILE 70 Rubber X-Rings
Nitrile Rubber X Rings with 70 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
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Cross Section: 6.99mm
Inside Diameter: 658.88mm
Outside Diameter: 672.86mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4475 6.99mm Section 658.88mm Bore Quad Section NITRILE 90 Rubber X-Rings
Nitrile Rubber X Rings with 90 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
Limited Stock
Limited Availability
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Cross Section: 6.99mm
Inside Diameter: 658.88mm
Outside Diameter: 672.86mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4627 7mm Section 159.5mm Bore Quad Section NITRILE 90 Rubber X-Rings
Nitrile Rubber X Rings with 90 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
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Cross Section: 7mm
Inside Diameter: 159.5mm
Outside Diameter: 173.5mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4901 1.42mm Section 4.7mm Bore Quad Section NITRILE 70 Rubber X-Rings
Nitrile Rubber X Rings with 70 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
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Cross Section: 1.42mm
Inside Diameter: 4.7mm
Outside Diameter: 7.54mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4901 1.42mm Section 4.7mm Bore Quad Section NITRILE 90 Rubber X-Rings
Nitrile Rubber X Rings with 90 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
Limited Stock
Limited Availability
Please Enquire
Cross Section: 1.42mm
Inside Diameter: 4.7mm
Outside Diameter: 7.54mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4902 1.63mm Section 6.07mm Bore Quad Section NITRILE 70 Rubber X-Rings
Nitrile Rubber X Rings with 70 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
Limited Stock
Limited Availability
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Cross Section: 1.63mm
Inside Diameter: 6.07mm
Outside Diameter: 9.33mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4902 1.63mm Section 6.07mm Bore Quad Section NITRILE 90 Rubber X-Rings
Nitrile Rubber X Rings with 90 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
Limited Stock
Limited Availability
Please Enquire
Cross Section: 1.63mm
Inside Diameter: 6.07mm
Outside Diameter: 9.33mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4903 1.63mm Section 7.65mm Bore Quad Section NITRILE 70 Rubber X-Rings
Nitrile Rubber X Rings with 70 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
Limited Stock
Limited Availability
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Cross Section: 1.63mm
Inside Diameter: 7.65mm
Outside Diameter: 10.91mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4903 1.63mm Section 7.65mm Bore Quad Section NITRILE 90 Rubber X-Rings
Nitrile Rubber X Rings with 90 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
Limited Stock
Limited Availability
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Cross Section: 1.63mm
Inside Diameter: 7.65mm
Outside Diameter: 10.91mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4904 1.83mm Section 8.92mm Bore Quad Section NITRILE 70 Rubber X-Rings
Nitrile Rubber X Rings with 70 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
Limited Stock
Limited Availability
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Cross Section: 1.83mm
Inside Diameter: 8.92mm
Outside Diameter: 12.58mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4904 1.83mm Section 8.92mm Bore Quad Section NITRILE 90 Rubber X-Rings
Nitrile Rubber X Rings with 90 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
Limited Stock
Limited Availability
Please Enquire
Cross Section: 1.83mm
Inside Diameter: 8.92mm
Outside Diameter: 12.58mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4905 1.83mm Section 10.52mm Bore Quad Section NITRILE 70 Rubber X-Rings
Nitrile Rubber X Rings with 70 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
Limited Stock
Limited Availability
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Cross Section: 1.83mm
Inside Diameter: 10.52mm
Outside Diameter: 14.18mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4905 1.83mm Section 10.52mm Bore Quad Section NITRILE 90 Rubber X-Rings
Nitrile Rubber X Rings with 90 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
Limited Stock
Limited Availability
Please Enquire
Cross Section: 1.83mm
Inside Diameter: 10.52mm
Outside Diameter: 14.18mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4906 1.98mm Section 11.89mm Bore Quad Section NITRILE 70 Rubber X-Rings
Nitrile Rubber X Rings with 70 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
Limited Stock
Limited Availability
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Cross Section: 1.98mm
Inside Diameter: 11.89mm
Outside Diameter: 15.85mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4906 1.98mm Section 11.89mm Bore Quad Section NITRILE 90 Rubber X-Rings
Nitrile Rubber X Rings with 90 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
Limited Stock
Limited Availability
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Cross Section: 1.98mm
Inside Diameter: 11.89mm
Outside Diameter: 15.85mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4907 2.08mm Section 13.46mm Bore Quad Section NITRILE 70 Rubber X-Rings
Nitrile Rubber X Rings with 70 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
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Cross Section: 2.08mm
Inside Diameter: 13.46mm
Outside Diameter: 17.62mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4907 2.08mm Section 13.46mm Bore Quad Section NITRILE 90 Rubber X-Rings
Nitrile Rubber X Rings with 90 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
Limited Stock
Limited Availability
Please Enquire
Cross Section: 2.08mm
Inside Diameter: 13.46mm
Outside Diameter: 17.62mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4908 2.21mm Section 16.36mm Bore Quad Section NITRILE 70 Rubber X-Rings
Nitrile Rubber X Rings with 70 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
Limited Stock
Limited Availability
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Cross Section: 2.21mm
Inside Diameter: 16.36mm
Outside Diameter: 20.78mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4908 2.21mm Section 16.36mm Bore Quad Section NITRILE 90 Rubber X-Rings
Nitrile Rubber X Rings with 90 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
Limited Stock
Limited Availability
Please Enquire
Cross Section: 2.21mm
Inside Diameter: 16.36mm
Outside Diameter: 20.78mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4909 2.46mm Section 17.93mm Bore Quad Section NITRILE 70 Rubber X-Rings
Nitrile Rubber X Rings with 70 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
Limited Stock
Limited Availability
Please Enquire
Cross Section: 2.46mm
Inside Diameter: 17.93mm
Outside Diameter: 22.85mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4909 2.46mm Section 17.93mm Bore Quad Section NITRILE 90 Rubber X-Rings
Nitrile Rubber X Rings with 90 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
Limited Stock
Limited Availability
Please Enquire
Cross Section: 2.46mm
Inside Diameter: 17.93mm
Outside Diameter: 22.85mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4910 2.46mm Section 19.18mm Bore Quad Section NITRILE 70 Rubber X-Rings
Nitrile Rubber X Rings with 70 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
Limited Stock
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Cross Section: 2.46mm
Inside Diameter: 19.18mm
Outside Diameter: 24.1mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4910 2.46mm Section 19.18mm Bore Quad Section NITRILE 90 Rubber X-Rings
Nitrile Rubber X Rings with 90 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
Limited Stock
Limited Availability
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Cross Section: 2.46mm
Inside Diameter: 19.18mm
Outside Diameter: 24.1mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4911 2.95mm Section 21.92mm Bore Quad Section NITRILE 70 Rubber X-Rings
Nitrile Rubber X Rings with 70 Shore Hardness: The four-lobed design of quad rings provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less [show more]...
Limited Stock
Limited Availability
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Cross Section: 2.95mm
Inside Diameter: 21.92mm
Outside Diameter: 27.82mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Nitrile X 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 X rings from our modern warehouse based in the heart of Lancashire. The range of nitrile X rings that we stock is truly extensive, with X 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.
The four-lobed design of quad rings (X-Rings) provides twice the sealing surface in comparison to a standard O-Ring. The double-seal action requires less compression to maintain an effective seal. This reduced compression results in less friction, longer seal life and a lower risk of twisting
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 X ring. X 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]
