{"product_id":"nitrile-nylon-hydraulic-piston-seal-assembly","title":"Nitrile Nylon Hydraulic Piston Seal Assembly","description":"\u003ch2\u003eNitrile Nylon Hydraulic Piston Seal Assembly\u003c\/h2\u003e\u003cp\u003eEngineered for demanding hydraulic cylinder applications, this piston seal assembly combines a \u003cstrong\u003enitrile (NBR) sealing element\u003c\/strong\u003e with a \u003cstrong\u003ereinforced nylon (PA) wear ring\u003c\/strong\u003e to deliver reliable bi-directional sealing and precise bore guidance in a single, drop-in unit.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak-free performance\u003c\/strong\u003e — the NBR lip seal maintains consistent contact pressure across the full stroke, preventing fluid bypass even under dynamic load cycling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced metal-to-metal contact\u003c\/strong\u003e — the nylon wear ring centers the piston rod and absorbs lateral forces, extending cylinder and seal service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide fluid compatibility\u003c\/strong\u003e — nitrile compound resists petroleum-based hydraulic oils, water-glycol fluids, and emulsions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range\u003c\/strong\u003e — rated for continuous operation from -40 °F to +212 °F (-40 °C to +100 °C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy installation\u003c\/strong\u003e — pre-assembled profile fits standard piston grooves; no bonding or secondary components required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cp\u003eIndustrial hydraulic cylinders, agricultural equipment, mobile hydraulics, construction machinery, and pneumatic\/hydraulic press systems where reliable piston sealing and bore wear protection are critical.\u003c\/p\u003e\u003ch3\u003eMaterial Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSealing element: Nitrile Butadiene Rubber (NBR), 70–90 Shore A\u003c\/li\u003e\n\u003cli\u003eWear ring \/ guide ring: Reinforced Nylon (PA66 or PA46)\u003c\/li\u003e\n\u003cli\u003eFluid compatibility: Petroleum oils, water-glycol, HFA\/HFB\/HFC emulsions\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hercules","offers":[{"title":"PSA-58-2250","offer_id":43088507207751,"sku":"PSA-58-2250","price":72.26,"currency_code":"USD","in_stock":true},{"title":"PSA-58-2500","offer_id":43088507240519,"sku":"PSA-58-2500","price":80.94,"currency_code":"USD","in_stock":true},{"title":"PSA-58-3500","offer_id":43088507273287,"sku":"PSA-58-3500","price":109.76,"currency_code":"USD","in_stock":true},{"title":"PSA-58-4500","offer_id":43088507306055,"sku":"PSA-58-4500","price":153.55,"currency_code":"USD","in_stock":true},{"title":"PSA-58-6000A","offer_id":43088507338823,"sku":"PSA-58-6000A","price":88.97,"currency_code":"USD","in_stock":true},{"title":"PSA-59-1750","offer_id":43088507371591,"sku":"PSA-59-1750","price":41.34,"currency_code":"USD","in_stock":true},{"title":"PSA-59-2250","offer_id":43088507404359,"sku":"PSA-59-2250","price":34.11,"currency_code":"USD","in_stock":true},{"title":"PSA-59-2500A","offer_id":43088507437127,"sku":"PSA-59-2500-A","price":65.92,"currency_code":"USD","in_stock":true},{"title":"PSA-59-4000","offer_id":43088507469895,"sku":"PSA-59-4000","price":73.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/1204\/2567\/files\/732E8F79-8C5A-407E-A89D-7E8530B082A2.jpg?v=1786649257","url":"https:\/\/yarbroughindustries.shop\/products\/nitrile-nylon-hydraulic-piston-seal-assembly","provider":"Yarbrough Industries","version":"1.0","type":"link"}