{"product_id":"mitsubishi-m80-built-in-spindle-motor-sj-2b4003т-copy","title":"Mitsubishi M80 Built-IN Spindle Motor SJ-2B4501TK","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=\"6w70sq\" data-start=\"0\" data-end=\"61\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3\" data-end=\"61\"\u003eSJ-2B4501TK (correct model, not “4501TK only variant”)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"63\" data-end=\"239\"\u003e\u003cstrong data-start=\"63\" data-end=\"78\"\u003eSJ-2B4501TK\u003c\/strong\u003e is a Mitsubishi Electric \u003cstrong data-start=\"104\" data-end=\"145\"\u003eSJ-B series built-in AC spindle motor\u003c\/strong\u003e, used in \u003cstrong data-start=\"155\" data-end=\"193\"\u003emedium-power CNC machining centers\u003c\/strong\u003e for general milling and turning applications.\u003c\/p\u003e\n\u003cp data-start=\"241\" data-end=\"395\"\u003eIt belongs to the \u003cstrong data-start=\"259\" data-end=\"279\"\u003eSJ-2B450x family\u003c\/strong\u003e, which is one of the most commonly used “industrial built-in spindle motor” lines in older Mitsubishi CNC machines.\u003c\/p\u003e\n\u003chr data-start=\"397\" data-end=\"400\"\u003e\n\u003ch1 data-section-id=\"1t8zeej\" data-start=\"402\" data-end=\"457\"\u003e🔧 Verified specifications (official Mitsubishi data)\u003c\/h1\u003e\n\u003cp data-start=\"459\" data-end=\"549\"\u003eFrom Mitsubishi SJ-B series technical documentation: \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=\"551\" data-end=\"1145\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"551\" data-end=\"572\"\u003e\n\u003ctr data-start=\"551\" data-end=\"572\"\u003e\n\u003cth data-start=\"551\" data-end=\"563\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth data-start=\"563\" data-end=\"572\" data-col-size=\"md\" class=\"last:pe-10\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"583\" data-end=\"1145\"\u003e\n\u003ctr data-start=\"583\" data-end=\"623\"\u003e\n\u003ctd data-start=\"583\" data-end=\"609\" data-col-size=\"sm\"\u003eContinuous rated output\u003c\/td\u003e\n\u003ctd data-start=\"609\" data-end=\"623\" data-col-size=\"md\"\u003e\u003cstrong data-start=\"611\" data-end=\"621\"\u003e7.5 kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"624\" data-end=\"679\"\u003e\n\u003ctd data-start=\"624\" data-end=\"650\" data-col-size=\"sm\"\u003eShort-time rated output\u003c\/td\u003e\n\u003ctd data-start=\"650\" data-end=\"679\" data-col-size=\"md\"\u003e\u003cstrong data-start=\"652\" data-end=\"677\"\u003e11 kW (30 min rating)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"680\" data-end=\"728\"\u003e\n\u003ctd data-start=\"680\" data-end=\"715\" data-col-size=\"sm\"\u003eAcceleration\/deceleration output\u003c\/td\u003e\n\u003ctd data-start=\"715\" data-end=\"728\" data-col-size=\"md\"\u003e\u003cstrong data-start=\"717\" data-end=\"726\"\u003e15 kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"729\" data-end=\"770\"\u003e\n\u003ctd data-start=\"729\" data-end=\"757\" data-col-size=\"sm\"\u003eActual accel\/decel output\u003c\/td\u003e\n\u003ctd data-start=\"757\" data-end=\"770\" data-col-size=\"md\"\u003e\u003cstrong data-start=\"759\" data-end=\"768\"\u003e18 kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"771\" data-end=\"858\"\u003e\n\u003ctd data-start=\"771\" data-end=\"793\" data-col-size=\"sm\"\u003eBase rotation speed\u003c\/td\u003e\n\u003ctd data-start=\"793\" data-end=\"858\" data-col-size=\"md\"\u003e\n\u003cstrong data-start=\"795\" data-end=\"823\"\u003e700 rpm (low-speed coil)\u003c\/strong\u003e \/ \u003cstrong data-start=\"826\" data-end=\"856\"\u003e1320 rpm (high-speed coil)\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"859\" data-end=\"893\"\u003e\n\u003ctd data-start=\"859\" data-end=\"875\" data-col-size=\"sm\"\u003eMaximum speed\u003c\/td\u003e\n\u003ctd data-start=\"875\" data-end=\"893\" data-col-size=\"md\"\u003e\u003cstrong data-start=\"877\" data-end=\"891\"\u003e10,000 rpm\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"894\" data-end=\"957\"\u003e\n\u003ctd data-start=\"894\" data-end=\"914\" data-col-size=\"sm\"\u003eContinuous torque\u003c\/td\u003e\n\u003ctd data-start=\"914\" data-end=\"957\" data-col-size=\"md\"\u003e\u003cstrong data-start=\"916\" data-end=\"955\"\u003e102 N·m \/ 54.3 N·m (coil dependent)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"958\" data-end=\"1004\"\u003e\n\u003ctd data-start=\"958\" data-end=\"978\" data-col-size=\"sm\"\u003eShort-time torque\u003c\/td\u003e\n\u003ctd data-start=\"978\" data-end=\"1004\" data-col-size=\"md\"\u003e\u003cstrong data-start=\"980\" data-end=\"1002\"\u003e150 N·m \/ 79.6 N·m\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1005\" data-end=\"1039\"\u003e\n\u003ctd data-start=\"1005\" data-end=\"1021\" data-col-size=\"sm\"\u003eRotor inertia\u003c\/td\u003e\n\u003ctd data-start=\"1021\" data-end=\"1039\" data-col-size=\"md\"\u003e\u003cstrong data-start=\"1023\" data-end=\"1037\"\u003e0.08 kg·m²\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1040\" data-end=\"1074\"\u003e\n\u003ctd data-start=\"1040\" data-end=\"1047\" data-col-size=\"sm\"\u003eMass\u003c\/td\u003e\n\u003ctd data-start=\"1047\" data-end=\"1074\" data-col-size=\"md\"\u003e~47 kg (stator + rotor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1075\" data-end=\"1114\"\u003e\n\u003ctd data-start=\"1075\" data-end=\"1085\" data-col-size=\"sm\"\u003eCooling\u003c\/td\u003e\n\u003ctd data-start=\"1085\" data-end=\"1114\" data-col-size=\"md\"\u003eLiquid\/oil jacket cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1115\" data-end=\"1145\"\u003e\n\u003ctd data-start=\"1115\" data-end=\"1128\" data-col-size=\"sm\"\u003eDrive unit\u003c\/td\u003e\n\u003ctd data-start=\"1128\" data-end=\"1145\" data-col-size=\"md\"\u003eMDS-D2-SP-200\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=\"1147\" data-end=\"1150\"\u003e\n\u003ch1 data-section-id=\"5ardlf\" data-start=\"1152\" data-end=\"1177\"\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=\"1179\" data-end=\"1412\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1179\" data-end=\"1202\"\u003e\n\u003ctr data-start=\"1179\" data-end=\"1202\"\u003e\n\u003cth data-start=\"1179\" data-end=\"1191\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eCode part\u003c\/th\u003e\n\u003cth data-start=\"1191\" data-end=\"1202\" data-col-size=\"md\" class=\"last:pe-10\"\u003eMeaning\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1213\" data-end=\"1412\"\u003e\n\u003ctr data-start=\"1213\" data-end=\"1257\"\u003e\n\u003ctd data-start=\"1213\" data-end=\"1222\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1215\" data-end=\"1221\"\u003eSJ\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1222\" data-end=\"1257\" data-col-size=\"md\"\u003eMitsubishi spindle motor family\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1258\" data-end=\"1307\"\u003e\n\u003ctd data-start=\"1258\" data-end=\"1267\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1260\" data-end=\"1266\"\u003e2B\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1267\" data-end=\"1307\" data-col-size=\"md\"\u003eSJ-B compact built-in spindle series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1308\" data-end=\"1374\"\u003e\n\u003ctd data-start=\"1308\" data-end=\"1319\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1310\" data-end=\"1318\"\u003e4501\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1319\" data-end=\"1374\" data-col-size=\"md\"\u003e7.5 kW class motor variant (standard configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1375\" data-end=\"1412\"\u003e\n\u003ctd data-start=\"1375\" data-end=\"1383\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1377\" data-end=\"1382\"\u003eT\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1383\" data-end=\"1412\" 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=\"1414\" data-end=\"1417\"\u003eSo:\u003c\/p\u003e\n\u003cblockquote data-start=\"1418\" data-end=\"1497\"\u003e\n\u003cp data-start=\"1420\" data-end=\"1497\"\u003e\u003cstrong data-start=\"1420\" data-end=\"1497\"\u003eSJ-2B4501TK = 7.5 kW built-in spindle motor for medium-duty CNC machining\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-start=\"1499\" data-end=\"1502\"\u003e\n\u003ch1 data-section-id=\"1y5xpyu\" data-start=\"1504\" data-end=\"1541\"\u003e⚙️ What makes SJ-2B4501TK important\u003c\/h1\u003e\n\u003cp data-start=\"1543\" data-end=\"1640\"\u003eThis model is part of Mitsubishi’s \u003cstrong data-start=\"1578\" data-end=\"1611\"\u003eworkhorse spindle motor range\u003c\/strong\u003e, meaning it is designed for:\u003c\/p\u003e\n\u003cul data-start=\"1642\" data-end=\"1815\"\u003e\n\u003cli data-section-id=\"1hsh8yy\" data-start=\"1642\" data-end=\"1693\"\u003estable continuous cutting (not just peak speed)\u003c\/li\u003e\n\u003cli data-section-id=\"1ph450e\" data-start=\"1694\" data-end=\"1724\"\u003egood torque at low–mid RPM\u003c\/li\u003e\n\u003cli data-section-id=\"1i53u86\" data-start=\"1725\" data-end=\"1763\"\u003ereliable heavy-duty industrial use\u003c\/li\u003e\n\u003cli data-section-id=\"qeggsj\" data-start=\"1764\" data-end=\"1815\"\u003ecompatibility with older Mitsubishi CNC systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1817\" data-end=\"1820\"\u003e\n\u003ch1 data-section-id=\"13bduas\" data-start=\"1822\" data-end=\"1847\"\u003e🏭 Typical applications\u003c\/h1\u003e\n\u003cp data-start=\"1849\" data-end=\"1872\"\u003eSJ-2B4501TK is used in:\u003c\/p\u003e\n\u003cul data-start=\"1874\" data-end=\"2050\"\u003e\n\u003cli data-section-id=\"luyvaa\" data-start=\"1874\" data-end=\"1904\"\u003evertical machining centers\u003c\/li\u003e\n\u003cli data-section-id=\"13qtl5d\" data-start=\"1905\" data-end=\"1945\"\u003egeneral-purpose CNC milling machines\u003c\/li\u003e\n\u003cli data-section-id=\"1gtib4x\" data-start=\"1946\" data-end=\"1977\"\u003esteel and cast iron cutting\u003c\/li\u003e\n\u003cli data-section-id=\"1v9zphi\" data-start=\"1978\" data-end=\"2018\"\u003eboring and heavy drilling operations\u003c\/li\u003e\n\u003cli data-section-id=\"1vc2fld\" data-start=\"2019\" data-end=\"2050\"\u003eindustrial production lines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2052\" data-end=\"2087\"\u003eIt is preferred when machines need:\u003c\/p\u003e\n\u003cul data-start=\"2089\" data-end=\"2235\"\u003e\n\u003cli data-section-id=\"1b3fhpa\" data-start=\"2089\" data-end=\"2131\"\u003e⚖️ strong torque over ultra-high speed\u003c\/li\u003e\n\u003cli data-section-id=\"m84jif\" data-start=\"2132\" data-end=\"2164\"\u003e🧱 rigid spindle performance\u003c\/li\u003e\n\u003cli data-section-id=\"nelsxa\" data-start=\"2165\" data-end=\"2197\"\u003e🎯 stable cutting under load\u003c\/li\u003e\n\u003cli data-section-id=\"6v7xj5\" data-start=\"2198\" data-end=\"2235\"\u003e🔧 long-life industrial operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2237\" data-end=\"2240\"\u003e\n\u003ch1 data-section-id=\"1j26kvg\" data-start=\"2242\" data-end=\"2284\"\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=\"2286\" data-end=\"2503\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2286\" data-end=\"2303\"\u003e\n\u003ctr data-start=\"2286\" data-end=\"2303\"\u003e\n\u003cth data-start=\"2286\" data-end=\"2295\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSeries\u003c\/th\u003e\n\u003cth data-start=\"2295\" data-end=\"2303\" data-col-size=\"md\" class=\"last:pe-10\"\u003eRole\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2314\" data-end=\"2503\"\u003e\n\u003ctr data-start=\"2314\" data-end=\"2367\"\u003e\n\u003ctd data-start=\"2314\" data-end=\"2322\" data-col-size=\"sm\"\u003eSJ-2B\u003c\/td\u003e\n\u003ctd data-start=\"2322\" data-end=\"2367\" data-col-size=\"md\"\u003ecompact built-in spindles (low–mid power)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2368\" data-end=\"2415\"\u003e\n\u003ctd data-start=\"2368\" data-end=\"2376\" data-col-size=\"sm\"\u003eSJ-BG\u003c\/td\u003e\n\u003ctd data-start=\"2376\" data-end=\"2415\" data-col-size=\"md\"\u003emodern high-speed built-in spindles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2416\" data-end=\"2456\"\u003e\n\u003ctd data-start=\"2416\" data-end=\"2424\" data-col-size=\"sm\"\u003eSJ-DG\u003c\/td\u003e\n\u003ctd data-start=\"2424\" data-end=\"2456\" data-col-size=\"md\"\u003ehigh-torque cutting spindles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2457\" data-end=\"2503\"\u003e\n\u003ctd data-start=\"2457\" data-end=\"2465\" data-col-size=\"sm\"\u003eSJ-DL\u003c\/td\u003e\n\u003ctd data-start=\"2465\" data-end=\"2503\" 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=\"2505\" data-end=\"2508\"\u003e\n\u003ch1 data-section-id=\"qe0dqd\" data-start=\"2510\" data-end=\"2533\"\u003e🧠 Simple explanation\u003c\/h1\u003e\n\u003cp data-start=\"2535\" data-end=\"2710\"\u003e\u003cstrong data-start=\"2535\" data-end=\"2710\"\u003eSJ-2B4501TK is a 7.5 kW built-in CNC spindle motor designed for medium-duty machining, offering strong torque, reliable continuous cutting, and up to 10,000 rpm operation.\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":45860917215368,"sku":"SJ-2B4501TK","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-2b4003%d1%82-copy","provider":"JJAutomation","version":"1.0","type":"link"}