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NITRILE X-Rings
Q4230 3.53mm Section 63.09mm Bore Quad Section NITRILE 90 Rubber X-Ring
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: 3.53mm
Inside Diameter: 63.09mm
Outside Diameter: 70.15mm
Hardness: 90 Shore
O-ring Lubricants?
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Q4231 3.53mm Section 66.27mm Bore Quad Section NITRILE 90 Rubber X-Ring
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: 3.53mm
Inside Diameter: 66.27mm
Outside Diameter: 73.33mm
Hardness: 90 Shore
O-ring Lubricants?
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Q4232 3.53mm Section 69.44mm Bore Quad Section NITRILE 90 Rubber X-Ring
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: 3.53mm
Inside Diameter: 69.44mm
Outside Diameter: 76.5mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4233 3.53mm Section 72.62mm Bore Quad Section NITRILE 90 Rubber X-Ring
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: 3.53mm
Inside Diameter: 72.62mm
Outside Diameter: 79.68mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4234 3.53mm Section 75.79mm Bore Quad Section NITRILE 90 Rubber X-Ring
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: 3.53mm
Inside Diameter: 75.79mm
Outside Diameter: 82.85mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4235 3.53mm Section 78.97mm Bore Quad Section NITRILE 90 Rubber X-Ring
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: 3.53mm
Inside Diameter: 78.97mm
Outside Diameter: 86.03mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4236 3.53mm Section 82.14mm Bore Quad Section NITRILE 90 Rubber X-Ring
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: 3.53mm
Inside Diameter: 82.14mm
Outside Diameter: 89.2mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4237 3.53mm Section 85.32mm Bore Quad Section NITRILE 70 Rubber X-Ring
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: 3.53mm
Inside Diameter: 85.32mm
Outside Diameter: 92.38mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4237 3.53mm Section 85.32mm Bore Quad Section NITRILE 90 Rubber X-Ring
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: 3.53mm
Inside Diameter: 85.32mm
Outside Diameter: 92.38mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4238 3.53mm Section 88.49mm Bore Quad Section NITRILE 90 Rubber X-Ring
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: 3.53mm
Inside Diameter: 88.49mm
Outside Diameter: 95.55mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4239 3.53mm Section 91.67mm Bore Quad Section NITRILE 90 Rubber X-Ring
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: 3.53mm
Inside Diameter: 91.67mm
Outside Diameter: 98.73mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4240 3.53mm Section 94.84mm Bore Quad Section NITRILE 90 Rubber X-Ring
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: 3.53mm
Inside Diameter: 94.84mm
Outside Diameter: 101.9mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4241 3.53mm Section 98.02mm Bore Quad Section NITRILE 90 Rubber X-Ring
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: 3.53mm
Inside Diameter: 98.02mm
Outside Diameter: 105.08mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4242 3.53mm Section 101.19mm Bore Quad Section NITRILE 90 Rubber X-Ring
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: 3.53mm
Inside Diameter: 101.19mm
Outside Diameter: 108.25mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4243 3.53mm Section 104.37mm Bore Quad Section NITRILE 90 Rubber X-Ring
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: 3.53mm
Inside Diameter: 104.37mm
Outside Diameter: 111.43mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4244 3.53mm Section 107.54mm Bore Quad Section NITRILE 90 Rubber X-Ring
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: 3.53mm
Inside Diameter: 107.54mm
Outside Diameter: 114.6mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4245 3.53mm Section 110.72mm Bore Quad Section NITRILE 90 Rubber X-Ring
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: 3.53mm
Inside Diameter: 110.72mm
Outside Diameter: 117.78mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4246 3.53mm Section 113.89mm Bore Quad Section NITRILE 90 Rubber X-Ring
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: 3.53mm
Inside Diameter: 113.89mm
Outside Diameter: 120.95mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4247 3.53mm Section 117.07mm Bore Quad Section NITRILE 70 Rubber X-Ring
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: 3.53mm
Inside Diameter: 117.07mm
Outside Diameter: 124.13mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
O-ring Tools
Q4247 3.53mm Section 117.07mm Bore Quad Section NITRILE 90 Rubber X-Ring
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: 3.53mm
Inside Diameter: 117.07mm
Outside Diameter: 124.13mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4248 3.53mm Section 120.24mm Bore Quad Section NITRILE 90 Rubber X-Ring
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: 3.53mm
Inside Diameter: 120.24mm
Outside Diameter: 127.3mm
Hardness: 90 Shore
O-ring Lubricants?
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Q4249 3.53mm Section 123.42mm Bore Quad Section NITRILE 70 Rubber X-Ring
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: 3.53mm
Inside Diameter: 123.42mm
Outside Diameter: 130.48mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
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Q4249 3.53mm Section 123.42mm Bore Quad Section NITRILE 90 Rubber X-Ring
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
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Cross Section: 3.53mm
Inside Diameter: 123.42mm
Outside Diameter: 130.48mm
Hardness: 90 Shore
O-ring Lubricants?
O-ring Tools
Q4250 3.53mm Section 126.59mm Bore Quad Section NITRILE 90 Rubber X-Ring
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: 3.53mm
Inside Diameter: 126.59mm
Outside Diameter: 133.65mm
Hardness: 90 Shore
O-ring Lubricants?
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Q4251 3.53mm Section 129.77mm Bore Quad Section NITRILE 70 Rubber X-Ring
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: 3.53mm
Inside Diameter: 129.77mm
Outside Diameter: 136.83mm
Hardness: * 70 Shore (Most Common)
O-ring Lubricants?
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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]
