{"product_id":"koyo-bearings-21309r-fy-spherical-roller-bearing","title":"Koyo Bearings 21309R FY Spherical Roller Bearing","description":"\u003cdiv class=\"\" data-turn-id-container=\"request-6a3be693-4000-83ec-acea-09e97e9e1ceb-21\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a3be693-4000-83ec-acea-09e97e9e1ceb-21\" data-turn-id-container=\"request-6a3be693-4000-83ec-acea-09e97e9e1ceb-21\" data-testid=\"conversation-turn-52\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"71fc543f-a058-48e1-8de6-16e51cc9c168\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"555\"\u003eThe Koyo 21309R FY Bearing is a spherical roller bearing used to support heavy radial loads and moderate axial loads in industrial rotating equipment. Commonly installed in gearboxes, conveyors, crushers, mining equipment, pumps, paper mills, and heavy-duty machinery requiring reliable shaft support and misalignment compensation. Maintenance teams and \u003ca href=\"https:\/\/plgautomation.com\/collections\/hmi-operator-interfaces\"\u003esystem integrators\u003c\/a\u003e use this bearing for equipment replacement, preventive maintenance, and restoration of smooth, dependable rotating performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"557\" data-end=\"574\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"575\" data-end=\"904\"\u003eThe Koyo 21309R FY Bearing is commonly used in industrial gear reducers, aggregate processing equipment, material handling systems, vibrating screens, fans, pumps, steel mills, and other heavy industrial machinery where high load capacity and self-aligning bearing performance are essential. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"906\" data-end=\"935\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"936\" data-end=\"1522\"\u003e• Brand: Koyo (JTEKT)\u003cbr data-start=\"957\" data-end=\"960\"\u003e• Part Number: 21309R FY\u003cbr data-start=\"984\" data-end=\"987\"\u003e• Product Type: Spherical Roller Bearing\u003cbr data-start=\"1027\" data-end=\"1030\"\u003e• Bearing Design: Double-row spherical roller bearing\u003cbr data-start=\"1083\" data-end=\"1086\"\u003e• Bore Diameter (d): 45 mm\u003cbr data-start=\"1112\" data-end=\"1115\"\u003e• Outside Diameter (D): 100 mm\u003cbr data-start=\"1145\" data-end=\"1148\"\u003e• Width (B): 25 mm\u003cbr data-start=\"1166\" data-end=\"1169\"\u003e• Bearing Type: Self-aligning roller bearing\u003cbr data-start=\"1213\" data-end=\"1216\"\u003e• Cage Type: Steel cage (series dependent)\u003cbr data-start=\"1258\" data-end=\"1261\"\u003e• Dynamic Load Direction: Radial and moderate axial loads\u003cbr data-start=\"1318\" data-end=\"1321\"\u003e• Lubrication: Grease or oil lubricated\u003cbr data-start=\"1360\" data-end=\"1363\"\u003e• Suitable for high-load industrial applications\u003cbr data-start=\"1411\" data-end=\"1414\"\u003e• Designed to compensate for shaft misalignment and housing deflection \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1524\" data-end=\"1548\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1549\" data-end=\"1632\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• SKF 21309 E\u003cbr data-start=\"1562\" data-end=\"1565\"\u003e• NTN 21309\u003cbr data-start=\"1576\" data-end=\"1579\"\u003e• NSK 21309EAE4\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"PLG Automation ","offers":[{"title":"New","offer_id":51727893266734,"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_d149a24f-ffd0-4b34-996f-ece787f0ff7c.jpg?v=1770584411","url":"https:\/\/plgautomation.com\/products\/koyo-bearings-21309r-fy-spherical-roller-bearing","provider":"PLG Automation ","version":"1.0","type":"link"}