{"product_id":"timken-qf-3s4-1-2-quick-flex-shaft-coupling-hub","title":"Timken QF-3S4 1 2 Quick Flex Shaft Coupling Hub","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=\"607\"\u003eThe Timken QF-3S4 1\/2 QUICK FLEX® coupling hub is used in flexible shaft coupling systems to transmit torque while accommodating shaft misalignment in industrial power transmission applications. Commonly installed on electric motors, gearboxes, pumps, compressors, conveyors, fans, and other rotating equipment utilizing Timken QUICK FLEX® couplings. Maintenance teams, OEMs, and system integrators use this coupling hub for replacement, repair, retrofit, and equipment overhaul to restore dependable power 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=\"609\" data-end=\"626\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"627\" data-end=\"1095\"\u003eThe Timken QF-3S4 1\/2 QUICK FLEX® coupling hub is designed as a precision-machined hub with a finished bore and keyway for secure shaft mounting in QUICK FLEX® coupling assemblies. It is widely used in manufacturing plants, mining operations, material handling systems, water treatment facilities, and industrial processing equipment where reliable torque transmission, vibration damping, and simplified maintenance are essential. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1097\" data-end=\"1126\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1127\" data-end=\"1703\"\u003e• Manufacturer: Timken\u003cbr data-start=\"1149\" data-end=\"1152\"\u003e• Manufacturer Part Number (MPN): QF-3S4 1\/2\u003cbr data-start=\"1196\" data-end=\"1199\"\u003e• Product Type: QUICK FLEX® coupling hub\u003cbr data-start=\"1239\" data-end=\"1242\"\u003e• Series: QUICK FLEX®\u003cbr data-start=\"1263\" data-end=\"1266\"\u003e• Hub Style: Standard hub with finished bore and keyway\u003cbr data-start=\"1321\" data-end=\"1324\"\u003e• Bore Size: 1\/2 in\u003cbr data-start=\"1343\" data-end=\"1346\"\u003e• Coupling Type: Elastomeric flexible coupling hub\u003cbr data-start=\"1396\" data-end=\"1399\"\u003e• Material: Steel\u003cbr data-start=\"1416\" data-end=\"1419\" data-is-only-node=\"\"\u003e• Mounting Style: Keyed bore with setscrew\u003cbr data-start=\"1461\" data-end=\"1464\"\u003e• Compatible Components: QUICK FLEX® insert and cover\u003cbr data-start=\"1517\" data-end=\"1520\"\u003e• Function: Torque transmission with vibration damping and shaft misalignment compensation\u003cbr data-start=\"1610\" data-end=\"1613\"\u003e• Application: Industrial power transmission systems \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1705\" data-end=\"1729\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1730\" data-end=\"1853\"\u003e• Timken QF5S303X1\/2\u003cbr data-start=\"1750\" data-end=\"1753\"\u003e• Timken QUICK FLEX® standard hub 1\/2 in bore\u003cbr data-start=\"1798\" data-end=\"1801\"\u003e• Lovejoy QUICK FLEX® 1\/2 in coupling hub equivalent\u003c\/p\u003e","brand":"TIMKEN","offers":[{"title":"New","offer_id":51714032599342,"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_40f88f63-413d-4bc8-8e7a-2c2f79f0bd28.jpg?v=1770414383","url":"https:\/\/plgautomation.com\/products\/timken-qf-3s4-1-2-quick-flex-shaft-coupling-hub","provider":"PLG Automation ","version":"1.0","type":"link"}