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NITRILE X-Rings
Q4402 6.99mm Section 40.64mm 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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Limited Availability
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Cross Section: 6.99mm
Inside Diameter: 40.64mm
Outside Diameter: 54.62mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4402 6.99mm Section 40.64mm 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: 40.64mm
Outside Diameter: 54.62mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4403 6.99mm Section 43.82mm 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: 6.99mm
Inside Diameter: 43.82mm
Outside Diameter: 57.8mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4403 6.99mm Section 43.82mm 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: 6.99mm
Inside Diameter: 43.82mm
Outside Diameter: 57.8mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4404 6.99mm Section 46.99mm 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: 6.99mm
Inside Diameter: 46.99mm
Outside Diameter: 60.97mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4404 6.99mm Section 46.99mm 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: 6.99mm
Inside Diameter: 46.99mm
Outside Diameter: 60.97mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4405 6.99mm Section 50.17mm 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: 6.99mm
Inside Diameter: 50.17mm
Outside Diameter: 64.15mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4405 6.99mm Section 50.17mm 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: 6.99mm
Inside Diameter: 50.17mm
Outside Diameter: 64.15mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4406 6.99mm Section 53.34mm 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: 6.99mm
Inside Diameter: 53.34mm
Outside Diameter: 67.32mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4406 6.99mm Section 53.34mm 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: 6.99mm
Inside Diameter: 53.34mm
Outside Diameter: 67.32mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4407 6.99mm Section 56.52mm 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
Please Enquire
Cross Section: 6.99mm
Inside Diameter: 56.52mm
Outside Diameter: 70.5mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4407 6.99mm Section 56.52mm 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: 6.99mm
Inside Diameter: 56.52mm
Outside Diameter: 70.5mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4408 6.99mm Section 59.69mm 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: 6.99mm
Inside Diameter: 59.69mm
Outside Diameter: 73.67mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4408 6.99mm Section 59.69mm 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: 6.99mm
Inside Diameter: 59.69mm
Outside Diameter: 73.67mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4409 6.99mm Section 62.87mm 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: 6.99mm
Inside Diameter: 62.87mm
Outside Diameter: 76.85mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4409 6.99mm Section 62.87mm 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: 6.99mm
Inside Diameter: 62.87mm
Outside Diameter: 76.85mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4410 6.99mm Section 66.04mm 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: 6.99mm
Inside Diameter: 66.04mm
Outside Diameter: 80.02mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4410 6.99mm Section 66.04mm 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: 6.99mm
Inside Diameter: 66.04mm
Outside Diameter: 80.02mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4411 6.99mm Section 69.22mm 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: 6.99mm
Inside Diameter: 69.22mm
Outside Diameter: 83.2mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4411 6.99mm Section 69.22mm 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: 6.99mm
Inside Diameter: 69.22mm
Outside Diameter: 83.2mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4412 6.99mm Section 72.39mm 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: 6.99mm
Inside Diameter: 72.39mm
Outside Diameter: 86.37mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4412 6.99mm Section 72.39mm 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: 6.99mm
Inside Diameter: 72.39mm
Outside Diameter: 86.37mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4413 6.99mm Section 75.57mm 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: 6.99mm
Inside Diameter: 75.57mm
Outside Diameter: 89.55mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4413 6.99mm Section 75.57mm 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: 6.99mm
Inside Diameter: 75.57mm
Outside Diameter: 89.55mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4414 6.99mm Section 78.74mm 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: 6.99mm
Inside Diameter: 78.74mm
Outside Diameter: 92.72mm
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]
