{"product_id":"timken-na43131-double-row-tapered-roller-bearing-cone","title":"Timken NA43131 Double Row Tapered Roller Bearing Cone","description":"\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:686c9c4a-9bab-465f-866c-ae3731f4218f-16\" 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-WEB:686c9c4a-9bab-465f-866c-ae3731f4218f-16\" data-turn-id-container=\"request-WEB:686c9c4a-9bab-465f-866c-ae3731f4218f-16\" data-testid=\"conversation-turn-26\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-15 [--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=\"18a1cd92-f525-48a4-8226-7c9b7f958f54\" 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=\"534\"\u003eThe Timken NA43131 roller bearing cone is used in double-row tapered roller bearing assemblies that support combined radial and axial loads in heavy-duty rotating equipment. Commonly installed in industrial gearboxes, rolling mills, mining machinery, conveyors, and other material handling systems. Maintenance teams, OEMs, and system integrators use this bearing cone for replacement, equipment overhaul, and reliability-focused maintenance in demanding industrial applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"536\" data-end=\"553\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"554\" data-end=\"979\"\u003eThe Timken NA43131 roller bearing cone is designed for heavy-duty industrial applications requiring reliable support for combined radial and thrust loads. It is commonly used in mining equipment, steel processing machinery, industrial gearboxes, conveyor systems, and other rotating equipment where accurate shaft positioning, long bearing life, and dependable performance are essential. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"981\" data-end=\"1010\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1011\" data-end=\"2042\"\u003e• Manufacturer: Timken\u003cbr data-start=\"1033\" data-end=\"1036\"\u003e• Manufacturer Part Number (MPN): NA43131\u003cbr data-start=\"1077\" data-end=\"1080\"\u003e• Product Type: Roller bearing cone\u003cbr data-start=\"1115\" data-end=\"1118\"\u003e• Bearing Type: Double-row tapered roller bearing cone (inner ring assembly)\u003cbr data-start=\"1194\" data-end=\"1197\"\u003e• Series: TNA (tapered non-adjustable double row)\u003cbr data-start=\"1246\" data-end=\"1249\"\u003e• Cone Part Number: NA43131\u003cbr data-start=\"1276\" data-end=\"1279\"\u003e• Design Unit: Inch\u003cbr data-start=\"1298\" data-end=\"1301\"\u003e• Bore Diameter: 1.3125 in (33.338 mm)\u003cbr data-start=\"1339\" data-end=\"1342\" data-is-only-node=\"\"\u003e• Outside Diameter (assembled): 3.1875 in (80.963 mm)\u003cbr data-start=\"1395\" data-end=\"1398\"\u003e• Bearing Width Across Cones (T): 2.1875 in (55.562 mm)\u003cbr data-start=\"1453\" data-end=\"1456\"\u003e• Outer Ring Width (C): 1.5625 in (39.688 mm)\u003cbr data-start=\"1501\" data-end=\"1504\"\u003e• Cage Type: Steel cage\u003cbr data-start=\"1527\" data-end=\"1530\"\u003e• Material: High-grade bearing steel\u003cbr data-start=\"1566\" data-end=\"1569\"\u003e• Load Type: Combined radial and axial loads\u003cbr data-start=\"1613\" data-end=\"1616\"\u003e• Dynamic Radial Load Rating (C1): 30,400 lbf (135,000 N)\u003cbr data-start=\"1673\" data-end=\"1676\"\u003e• Dynamic Radial Load Rating (C90): 4,520 lbf (20,100 N)\u003cbr data-start=\"1732\" data-end=\"1735\"\u003e• Dynamic Two-Row Radial Load Rating (C90-2): 7,880 lbf (35,000 N)\u003cbr data-start=\"1801\" data-end=\"1804\"\u003e• Dynamic Axial Load Rating (Ca90): 5,170 lbf (23,000 N)\u003cbr data-start=\"1860\" data-end=\"1863\"\u003e• Weight: Approximately 2.82 lb (1.28 kg)\u003cbr data-start=\"1904\" data-end=\"1907\"\u003e• Compatible Cup: Timken 43319D double cup\u003cbr data-start=\"1949\" data-end=\"1952\"\u003e• Compatible Bearing Assembly: Timken NA43131\/43319D \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2044\" data-end=\"2068\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2069\" data-end=\"2180\"\u003e• Timken NA43131\/43319D bearing assembly\u003cbr data-start=\"2109\" data-end=\"2112\"\u003e• Timken NA43131-90001 bearing assembly\u003cbr data-start=\"2151\" data-end=\"2154\"\u003e• Timken 43319D double cup\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":"Timken","offers":[{"title":"New","offer_id":51714033778990,"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_5e7644b2-288f-4e8b-86d6-ad7121e3ba2a.jpg?v=1770414415","url":"https:\/\/plgautomation.com\/products\/timken-na43131-double-row-tapered-roller-bearing-cone","provider":"PLG Automation ","version":"1.0","type":"link"}