{"product_id":"industrial-center-spool-coupling-6-3-4-od-4-id-center-spool-coupling","title":"Industrial Center Spool Coupling 6-3\/4 OD 4 ID Center Spool Coupling","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=\"18\" data-end=\"594\"\u003eThe Center Spool Coupling (6-3\/4\" OD × 4\" ID) is a mechanical coupling component designed to connect and transmit torque between rotating shafts while accommodating slight misalignment and reducing vibration in industrial power transmission systems. Commonly installed in pumps, compressors, conveyors, mixers, gearboxes, electric motors, and other rotating equipment requiring reliable shaft-to-shaft power transfer. Maintenance teams and \u003ca href=\"https:\/\/plgautomation.com\/collections\/hmi-operator-interfaces\"\u003esystem integrators\u003c\/a\u003e use this coupling spool for equipment repair, OEM replacement, retrofit projects, and routine drivetrain maintenance.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"596\" data-end=\"613\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"615\" data-end=\"1120\"\u003eThe Center Spool Coupling (6-3\/4\" OD × 4\" ID) is used in industrial power transmission applications where dependable torque transfer and shaft alignment are essential. It serves as the central connecting element in spacer coupling assemblies, allowing easier maintenance of pumps and motors without disturbing connected equipment. Typical applications include manufacturing plants, water and wastewater treatment facilities, mining, chemical processing, oil and gas operations, HVAC systems, and general industrial machinery.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1122\" data-end=\"1151\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1153\" data-end=\"2048\"\u003e• Product Type: Center Spool Coupling\u003cbr data-start=\"1190\" data-end=\"1193\"\u003e• Outside Diameter (OD): 6-3\/4 in (171.5 mm)\u003cbr data-start=\"1237\" data-end=\"1240\"\u003e• Inside Diameter (ID): 4 in (101.6 mm)\u003cbr data-start=\"1279\" data-end=\"1282\"\u003e• Component Type: Spacer\/Center Spool for Shaft Coupling\u003cbr data-start=\"1338\" data-end=\"1341\"\u003e• Function: Torque Transmission Between Rotating Shafts\u003cbr data-start=\"1396\" data-end=\"1399\"\u003e• Compatible Equipment: Pumps, Motors, Compressors, Gearboxes, Mixers, and Conveyor Drives\u003cbr data-start=\"1489\" data-end=\"1492\"\u003e• Material: Carbon Steel, Alloy Steel, or Stainless Steel (manufacturer dependent)\u003cbr data-start=\"1574\" data-end=\"1577\"\u003e• Construction: Precision Machined Industrial Coupling Component\u003cbr data-start=\"1641\" data-end=\"1644\"\u003e• Mounting Style: Flanged or Hub Connection (application dependent)\u003cbr data-start=\"1711\" data-end=\"1714\"\u003e• Operating Characteristics: Accommodates minor shaft misalignment while maintaining smooth torque transmission\u003cbr data-start=\"1825\" data-end=\"1828\"\u003e• Applications: Industrial mechanical power transmission systems\u003cbr data-start=\"1892\" data-end=\"1895\"\u003e• Features: High strength construction, vibration reduction, reliable shaft alignment, durable wear resistance, easy installation, and long service life.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2050\" data-end=\"2074\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2076\" data-end=\"2218\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• Lovejoy Spacer Coupling Center Spool\u003cbr data-start=\"2114\" data-end=\"2117\"\u003e• Rexnord Falk Spacer Coupling Center Section\u003cbr data-start=\"2162\" data-end=\"2165\"\u003e• TB Wood's Sure-Flex Spacer Coupling Center Assembly\u003c\/p\u003e","brand":"PLG Automation ","offers":[{"title":"New","offer_id":51727404007726,"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_d15f9ffb-0f3b-442e-bc80-9a88c8caf4c6.jpg?v=1770582743","url":"https:\/\/plgautomation.com\/products\/industrial-center-spool-coupling-6-3-4-od-4-id-center-spool-coupling","provider":"PLG Automation ","version":"1.0","type":"link"}