{"product_id":"the-timken-company-qf1890binsert-quick-flex-coupling-insert","title":"The Timken Company QF1890BINSERT Quick Flex Coupling Insert","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\" class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription:\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"659\"\u003eThe Timken QF1890BINSERT QUICK FLEX® coupling insert is used in flexible shaft coupling systems to transmit torque while absorbing shock, vibration, and minor shaft misalignment in heavy-duty industrial power transmission applications. Commonly installed between electric motors, gearboxes, pumps, compressors, conveyors, crushers, and other rotating equipment utilizing Timken QUICK FLEX® couplings. Maintenance teams, OEMs, and system integrators use this coupling insert for replacement, repair, retrofit, and equipment overhaul to restore reliable torque transmission and minimize equipment downtime. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"661\" data-end=\"678\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"679\" data-end=\"1207\"\u003eThe Timken QF1890BINSERT is a high-torque blue urethane elastomer insert designed for QUICK FLEX® size 1890 couplings, providing excellent vibration damping and accommodating shaft misalignment without requiring hub removal during replacement. It is widely used in mining, aggregate processing, steel mills, manufacturing plants, water treatment facilities, and material handling systems where dependable power transmission, simplified maintenance, and extended coupling life are essential. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1209\" data-end=\"1238\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1239\" data-end=\"1830\"\u003e• Manufacturer: Timken\u003cbr data-start=\"1261\" data-end=\"1264\"\u003e• Manufacturer Part Number (MPN): QF1890BINSERT\u003cbr data-start=\"1311\" data-end=\"1314\"\u003e• Product Type: Elastomer coupling insert\u003cbr data-start=\"1355\" data-end=\"1358\"\u003e• Series: QUICK FLEX®\u003cbr data-start=\"1379\" data-end=\"1382\"\u003e• Coupling Size: 1890\u003cbr data-start=\"1403\" data-end=\"1406\"\u003e• Insert Type: High-torque elastomer insert\u003cbr data-start=\"1449\" data-end=\"1452\"\u003e• Material: Urethane\u003cbr data-start=\"1472\" data-end=\"1475\"\u003e• Insert Color: Blue\u003cbr data-start=\"1495\" data-end=\"1498\" data-is-only-node=\"\"\u003e• Nominal Continuous Torque: 38,937 in-lb (4,399 N·m)\u003cbr data-start=\"1551\" data-end=\"1554\"\u003e• Inner Diameter (L): 7.60 in (193 mm)\u003cbr data-start=\"1592\" data-end=\"1595\"\u003e• Function: Shock absorption, vibration damping, and shaft misalignment compensation\u003cbr data-start=\"1679\" data-end=\"1682\"\u003e• Compatible Couplings: Timken QUICK FLEX® Size 1890\u003cbr data-start=\"1734\" data-end=\"1737\"\u003e• Application: Heavy-duty industrial power transmission \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1832\" data-end=\"1856\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1857\" data-end=\"1950\"\u003e• Timken QF1890INSERT (Red)\u003cbr data-start=\"1884\" data-end=\"1887\"\u003e• Timken QF1890HINSERT (White)\u003cbr data-start=\"1917\" data-end=\"1920\"\u003e• Timken QF1890TINSERT (Black)\u003c\/p\u003e","brand":"TIMKEN","offers":[{"title":"New","offer_id":51714032501038,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_b93e3869-1ec5-4b71-aa2b-91f7b2105040.jpg?v=1770414381","url":"https:\/\/plgautomation.com\/products\/the-timken-company-qf1890binsert-quick-flex-coupling-insert","provider":"PLG Automation ","version":"1.0","type":"link"}