O‑Ring (OR) cord sold by the metre, in NBR rubber, ideal for making custom-length O‑Rings, allowing the required length and diameter to be obtained for mechanical, hydraulic and pneumatic applications.

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O-RINGS IN NBR, THICKNESS 3,53MM
NBR O‑Ring seals with 3.53 mm cross-section, ideal for static and dynamic sealing applications in mechanical, hydraulic and pneumatic systems.
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The NBR O‑Rings are circular seals made of nitrile rubber (NBR), designed to create a reliable seal between two mating surfaces. The 3.53 mm cross-section allows an effective fit in larger-diameter grooves, reducing fluid leaks and protecting against external contamination.
Main features:
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Material: NBR (nitrile rubber), resistant to oils, greases and hydrocarbon fluids
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Thickness: 3.53 mm
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Function: ensures a static or dynamic seal between mechanical components
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Typical applications: cylinders, pistons, joints, flanges and mechanical connections with larger diameters
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Benefits: optimum elasticity, wear resistance and long service life
⚠️ Note: NBR is suitable for temperatures between approximately ‑30 °C and +100 °C, depending on the compound used.
6 other products in the same category:
NBR O‑Ring seals with 5.33 mm cross-section, ideal for static and dynamic sealing applications in mechanical, hydraulic and pneumatic systems.
NBR O‑Ring seals with 1.78 mm cross-section, ideal for static and dynamic sealing applications in mechanical, hydraulic and pneumatic systems.
NBR O‑Ring seals with 6.99 mm cross-section, ideal for static and dynamic sealing applications in mechanical, hydraulic and pneumatic systems.
NBR O‑Ring seals with 2.62 mm cross-section, ideal for static and dynamic sealing applications in mechanical, hydraulic and pneumatic systems.
Professional Fervi kit, code 0299/P, with 419 assorted O-Rings in imperial sizes. Organised case for quick maintenance, ideal for mechanical workshops and technical departments that need seals always to hand.