{"product_id":"mitsubishi-m80-built-in-spindle-motor-sj-2b6605tk-copy","title":"Mitsubishi M80 Built-IN Spindle Motor SJ-2B4503TK","description":"\u003cdiv class=\"relative basis-auto flex-col -mb-(--composer-overlap-px) pb-(--composer-overlap-px) [--composer-overlap-px:28px] grow flex\"\u003e\n\u003cdiv class=\"flex flex-col text-sm\"\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a0c4d60-5b54-83ab-a6f9-8a0b16859f27-17\" 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-6a0c4d60-5b54-83ab-a6f9-8a0b16859f27-17\" data-turn-id-container=\"request-6a0c4d60-5b54-83ab-a6f9-8a0b16859f27-17\" data-testid=\"conversation-turn-216\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto [--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 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=\"b4fe0dba-736f-472a-8dbf-905adcd280c1\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" 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\"\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 light markdown-new-styling\"\u003e\n\u003ch2 data-section-id=\"15qtywh\" data-start=\"0\" data-end=\"40\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3\" data-end=\"40\"\u003eSJ-2B4503TK (Mitsubishi Electric)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"42\" data-end=\"337\"\u003e\u003cstrong data-start=\"42\" data-end=\"57\"\u003eSJ-2B4503TK\u003c\/strong\u003e is a Mitsubishi Electric \u003cstrong data-start=\"83\" data-end=\"124\"\u003eSJ-B series built-in AC spindle motor\u003c\/strong\u003e, used in \u003cstrong data-start=\"134\" data-end=\"171\"\u003emedium-duty CNC machining centers\u003c\/strong\u003e. It belongs to the \u003cstrong data-start=\"191\" data-end=\"227\"\u003eSJ-2B 4500-series spindle motors\u003c\/strong\u003e, which are designed for general-purpose machining with a balance of \u003cstrong data-start=\"296\" data-end=\"336\"\u003epower, torque, and speed flexibility\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"339\" data-end=\"342\"\u003e\n\u003ch1 data-section-id=\"1t8zeej\" data-start=\"344\" data-end=\"399\"\u003e🔧 Verified specifications (official Mitsubishi data)\u003c\/h1\u003e\n\u003cp data-start=\"401\" data-end=\"642\"\u003eFrom Mitsubishi SJ-B series technical documentation:\u003cbr data-start=\"453\" data-end=\"456\"\u003e(\u003ca data-start=\"457\" data-end=\"601\" rel=\"noopener\" class=\"decorated-link\" href=\"https:\/\/dl.mitsubishielectric.com\/dl\/fa\/document\/manual\/cnc\/ib1501011%28eng%29\/ib1501011engb.pdf\"\u003eMitsubishi Electric CNC Manual – SJ-B Series\u003c\/a\u003e) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"644\" data-end=\"1221\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"644\" data-end=\"665\"\u003e\n\u003ctr data-start=\"644\" data-end=\"665\"\u003e\n\u003cth data-start=\"644\" data-end=\"656\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth data-start=\"656\" data-end=\"665\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"676\" data-end=\"1221\"\u003e\n\u003ctr data-start=\"676\" data-end=\"740\"\u003e\n\u003ctd data-start=\"676\" data-end=\"702\" data-col-size=\"sm\"\u003eContinuous rated output\u003c\/td\u003e\n\u003ctd data-start=\"702\" data-end=\"740\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"704\" data-end=\"738\"\u003e11 kW \/ 15 kW (coil dependent)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"741\" data-end=\"804\"\u003e\n\u003ctd data-start=\"741\" data-end=\"767\" data-col-size=\"sm\"\u003eShort-time rated output\u003c\/td\u003e\n\u003ctd data-start=\"767\" data-end=\"804\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"769\" data-end=\"802\"\u003e15 kW \/ 22 kW (30 min rating)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"805\" data-end=\"861\"\u003e\n\u003ctd data-start=\"805\" data-end=\"840\" data-col-size=\"sm\"\u003eAcceleration\/deceleration output\u003c\/td\u003e\n\u003ctd data-start=\"840\" data-end=\"861\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"842\" data-end=\"859\"\u003e15 kW \/ 22 kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"862\" data-end=\"913\"\u003e\n\u003ctd data-start=\"862\" data-end=\"890\" data-col-size=\"sm\"\u003eActual accel\/decel output\u003c\/td\u003e\n\u003ctd data-start=\"890\" data-end=\"913\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"892\" data-end=\"911\"\u003e18 kW \/ 26.4 kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"914\" data-end=\"970\"\u003e\n\u003ctd data-start=\"914\" data-end=\"927\" data-col-size=\"sm\"\u003eBase speed\u003c\/td\u003e\n\u003ctd data-start=\"927\" data-end=\"970\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"929\" data-end=\"968\"\u003e475 rpm \/ 1250 rpm (coil dependent)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"971\" data-end=\"1017\"\u003e\n\u003ctd data-start=\"971\" data-end=\"987\" data-col-size=\"sm\"\u003eMaximum speed\u003c\/td\u003e\n\u003ctd data-start=\"987\" data-end=\"1017\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"989\" data-end=\"1015\"\u003e2,000 rpm \/ 10,000 rpm\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1018\" data-end=\"1063\"\u003e\n\u003ctd data-start=\"1018\" data-end=\"1038\" data-col-size=\"sm\"\u003eContinuous torque\u003c\/td\u003e\n\u003ctd data-start=\"1038\" data-end=\"1063\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1040\" data-end=\"1061\"\u003e221 N·m \/ 115 N·m\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1064\" data-end=\"1109\"\u003e\n\u003ctd data-start=\"1064\" data-end=\"1084\" data-col-size=\"sm\"\u003eShort-time torque\u003c\/td\u003e\n\u003ctd data-start=\"1084\" data-end=\"1109\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1086\" data-end=\"1107\"\u003e302 N·m \/ 168 N·m\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1110\" data-end=\"1145\"\u003e\n\u003ctd data-start=\"1110\" data-end=\"1126\" data-col-size=\"sm\"\u003eRotor inertia\u003c\/td\u003e\n\u003ctd data-start=\"1126\" data-end=\"1145\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1128\" data-end=\"1143\"\u003e0.135 kg·m²\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1146\" data-end=\"1179\"\u003e\n\u003ctd data-start=\"1146\" data-end=\"1159\" data-col-size=\"sm\"\u003eFrame size\u003c\/td\u003e\n\u003ctd data-start=\"1159\" data-end=\"1179\" data-col-size=\"sm\"\u003e160–295 mm class\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1180\" data-end=\"1221\"\u003e\n\u003ctd data-start=\"1180\" data-end=\"1190\" data-col-size=\"sm\"\u003eCooling\u003c\/td\u003e\n\u003ctd data-start=\"1190\" data-end=\"1221\" data-col-size=\"sm\"\u003eLiquid \/ oil jacket cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"1223\" data-end=\"1226\"\u003e\n\u003ch1 data-section-id=\"5ardlf\" data-start=\"1228\" data-end=\"1253\"\u003e🔧 Model code breakdown\u003c\/h1\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1255\" data-end=\"1480\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1255\" data-end=\"1278\"\u003e\n\u003ctr data-start=\"1255\" data-end=\"1278\"\u003e\n\u003cth data-start=\"1255\" data-end=\"1267\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eCode part\u003c\/th\u003e\n\u003cth data-start=\"1267\" data-end=\"1278\" data-col-size=\"md\" class=\"last:pe-10\"\u003eMeaning\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1289\" data-end=\"1480\"\u003e\n\u003ctr data-start=\"1289\" data-end=\"1333\"\u003e\n\u003ctd data-start=\"1289\" data-end=\"1298\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1291\" data-end=\"1297\"\u003eSJ\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1298\" data-end=\"1333\" data-col-size=\"md\"\u003eMitsubishi spindle motor family\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1334\" data-end=\"1375\"\u003e\n\u003ctd data-start=\"1334\" data-end=\"1343\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1336\" data-end=\"1342\"\u003e2B\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1343\" data-end=\"1375\" data-col-size=\"md\"\u003eSJ-B built-in spindle series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1376\" data-end=\"1441\"\u003e\n\u003ctd data-start=\"1376\" data-end=\"1387\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1378\" data-end=\"1386\"\u003e4503\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1387\" data-end=\"1441\" data-col-size=\"md\"\u003e11–15 kW class winding \/ high-output configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1442\" data-end=\"1480\"\u003e\n\u003ctd data-start=\"1442\" data-end=\"1451\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1444\" data-end=\"1450\"\u003eTK\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1451\" data-end=\"1480\" data-col-size=\"md\"\u003eterminal \/ connector type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"1482\" data-end=\"1485\"\u003eSo:\u003c\/p\u003e\n\u003cblockquote data-start=\"1486\" data-end=\"1577\"\u003e\n\u003cp data-start=\"1488\" data-end=\"1577\"\u003e\u003cstrong data-start=\"1488\" data-end=\"1577\"\u003eSJ-2B4503TK = high-output 4500-series built-in spindle motor for medium CNC machining\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-start=\"1579\" data-end=\"1582\"\u003e\n\u003ch1 data-section-id=\"go2xx0\" data-start=\"1584\" data-end=\"1621\"\u003e⚙️ What makes SJ-2B4503TK important\u003c\/h1\u003e\n\u003cp data-start=\"1623\" data-end=\"1662\"\u003eCompared with other 4500-series motors:\u003c\/p\u003e\n\u003cul data-start=\"1664\" data-end=\"1843\"\u003e\n\u003cli data-section-id=\"1clukln\" data-start=\"1664\" data-end=\"1710\"\u003eHigher output class within the 4500 family\u003c\/li\u003e\n\u003cli data-section-id=\"janvcv\" data-start=\"1711\" data-end=\"1754\"\u003eStronger torque than 4501\/4502 variants\u003c\/li\u003e\n\u003cli data-section-id=\"ahzqbx\" data-start=\"1755\" data-end=\"1843\"\u003eDesigned for \u003cstrong data-start=\"1770\" data-end=\"1795\"\u003eheavier cutting loads\u003c\/strong\u003e while still maintaining 10,000 rpm capability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1845\" data-end=\"1916\"\u003eIt is essentially a \u003cstrong data-start=\"1865\" data-end=\"1898\"\u003e“heavy-duty balanced spindle”\u003c\/strong\u003e in the 2B lineup.\u003c\/p\u003e\n\u003chr data-start=\"1918\" data-end=\"1921\"\u003e\n\u003ch1 data-section-id=\"13bduas\" data-start=\"1923\" data-end=\"1948\"\u003e🏭 Typical applications\u003c\/h1\u003e\n\u003cp data-start=\"1950\" data-end=\"1973\"\u003eSJ-2B4503TK is used in:\u003c\/p\u003e\n\u003cul data-start=\"1975\" data-end=\"2164\"\u003e\n\u003cli data-section-id=\"1pfpaeg\" data-start=\"1975\" data-end=\"2012\"\u003evertical machining centers (VMCs)\u003c\/li\u003e\n\u003cli data-section-id=\"13qtl5d\" data-start=\"2013\" data-end=\"2053\"\u003egeneral-purpose CNC milling machines\u003c\/li\u003e\n\u003cli data-section-id=\"1gtib4x\" data-start=\"2054\" data-end=\"2085\"\u003esteel and cast iron cutting\u003c\/li\u003e\n\u003cli data-section-id=\"19qtz39\" data-start=\"2086\" data-end=\"2120\"\u003eboring and drilling operations\u003c\/li\u003e\n\u003cli data-section-id=\"tvjql6\" data-start=\"2121\" data-end=\"2164\"\u003eindustrial production machining systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2166\" data-end=\"2203\"\u003eIt is selected when machines require:\u003c\/p\u003e\n\u003cul data-start=\"2205\" data-end=\"2387\"\u003e\n\u003cli data-section-id=\"lq1ag9\" data-start=\"2205\" data-end=\"2246\"\u003e⚖️ strong balance of speed and torque\u003c\/li\u003e\n\u003cli data-section-id=\"1v4v8vm\" data-start=\"2247\" data-end=\"2279\"\u003e🧱 stable cutting under load\u003c\/li\u003e\n\u003cli data-section-id=\"xz3b86\" data-start=\"2280\" data-end=\"2328\"\u003e🎯 reliable continuous machining performance\u003c\/li\u003e\n\u003cli data-section-id=\"ivh7ye\" data-start=\"2329\" data-end=\"2387\"\u003e🔧 compatibility with Mitsubishi MDS-D2 spindle drives\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2389\" data-end=\"2392\"\u003e\n\u003ch1 data-section-id=\"1j26kvg\" data-start=\"2394\" data-end=\"2436\"\u003e⚖️ Position in Mitsubishi spindle lineup\u003c\/h1\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2438\" data-end=\"2666\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2438\" data-end=\"2455\"\u003e\n\u003ctr data-start=\"2438\" data-end=\"2455\"\u003e\n\u003cth data-start=\"2438\" data-end=\"2447\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSeries\u003c\/th\u003e\n\u003cth data-start=\"2447\" data-end=\"2455\" data-col-size=\"md\" class=\"last:pe-10\"\u003eRole\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2466\" data-end=\"2666\"\u003e\n\u003ctr data-start=\"2466\" data-end=\"2528\"\u003e\n\u003ctd data-start=\"2466\" data-end=\"2474\" data-col-size=\"sm\"\u003eSJ-2B\u003c\/td\u003e\n\u003ctd data-start=\"2474\" data-end=\"2528\" data-col-size=\"md\"\u003ecompact built-in spindle motors (older generation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2529\" data-end=\"2578\"\u003e\n\u003ctd data-start=\"2529\" data-end=\"2537\" data-col-size=\"sm\"\u003eSJ-BG\u003c\/td\u003e\n\u003ctd data-start=\"2537\" data-end=\"2578\" data-col-size=\"md\"\u003emodern high-speed integrated spindles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2579\" data-end=\"2619\"\u003e\n\u003ctd data-start=\"2579\" data-end=\"2587\" data-col-size=\"sm\"\u003eSJ-DG\u003c\/td\u003e\n\u003ctd data-start=\"2587\" data-end=\"2619\" data-col-size=\"md\"\u003ehigh-torque cutting spindles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2620\" data-end=\"2666\"\u003e\n\u003ctd data-start=\"2620\" data-end=\"2628\" data-col-size=\"sm\"\u003eSJ-DL\u003c\/td\u003e\n\u003ctd data-start=\"2628\" data-end=\"2666\" data-col-size=\"md\"\u003eexternal high-speed spindle motors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"2668\" data-end=\"2671\"\u003e\n\u003ch1 data-section-id=\"qe0dqd\" data-start=\"2673\" data-end=\"2696\"\u003e🧠 Simple explanation\u003c\/h1\u003e\n\u003cp data-start=\"2698\" data-end=\"2901\"\u003e\u003cstrong data-start=\"2698\" data-end=\"2901\"\u003eSJ-2B4503TK is a high-output 11–15 kW built-in CNC spindle motor designed for medium-to-heavy machining, offering strong torque, stable cutting, and full industrial duty performance up to 10,000 rpm.\u003c\/strong\u003e\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\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"JJAutomation","offers":[{"title":"Default Title","offer_id":45860934221960,"sku":"SJ-2B4503TK","price":0.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/1903\/3224\/files\/WhatsAppImage2025-10-18at1.47.49PM-2026-05-18T130727.835.jpg?v=1779089856","url":"https:\/\/jjautomation.in\/products\/mitsubishi-m80-built-in-spindle-motor-sj-2b6605tk-copy","provider":"JJAutomation","version":"1.0","type":"link"}