{"product_id":"fanuc-a860-0309-t302-spindle-encoder","title":"Fanuc A860-0309-T302 Spindle Encoder","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69d5befb-d48c-8331-9f75-c30ecb5150ff-12\" data-testid=\"conversation-turn-86\" data-scroll-anchor=\"true\" 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 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=\"29d40a9a-4b1e-45ab-9251-866ed487340a\" dir=\"auto\" data-message-model-slug=\"gpt-5-4-thinking\" 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\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cp data-start=\"610\" data-end=\"915\"\u003eThe \u003cstrong data-start=\"614\" data-end=\"632\"\u003eA860-0309-T302\u003c\/strong\u003e is a Fanuc \u003cstrong data-start=\"644\" data-end=\"663\"\u003espindle encoder\u003c\/strong\u003e designed for accurate position feedback in CNC systems. Identified as an \u003cstrong data-start=\"737\" data-end=\"763\"\u003eAlpha position encoder\u003c\/strong\u003e, this unit is used in applications where stable spindle feedback and reliable rotational position detection are essential for normal machine operation.\u003c\/p\u003e\n\u003cp data-start=\"917\" data-end=\"1249\"\u003eWith a \u003cstrong data-start=\"924\" data-end=\"947\"\u003e68 mm square flange\u003c\/strong\u003e design and a rated speed of \u003cstrong data-start=\"976\" data-end=\"989\"\u003e10000 RPM\u003c\/strong\u003e, the \u003cstrong data-start=\"995\" data-end=\"1013\"\u003eA860 0309 T302\u003c\/strong\u003e is commonly used in Fanuc-controlled systems that depend on precise spindle-related feedback. In real production conditions, encoder performance has a direct effect on machine accuracy, system response, and overall operating stability.\u003c\/p\u003e\n\u003cp data-start=\"1251\" data-end=\"1422\"\u003eAt \u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/\" title=\"Industrial Automation Spare Parts \u0026amp; Repair - REACO CNC\" rel=\"noopener\" target=\"_blank\"\u003eREACO CNC\u003c\/a\u003e, we supply dependable \u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/collections\/fanuc-cnc-robot-parts\" title=\"Buy \u0026amp; Repair Fanuc Parts - REACO CNC\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong data-start=\"6048\" data-end=\"6063\"\u003eFanuc parts\u003c\/strong\u003e\u003c\/a\u003e for customers who need replacement encoders, maintenance stock, or \u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/products\/fanuc-mitsubishi-cnc-robot-parts-repair\" title=\"Reliable Repair for FANUC, Mitsubishi, and All CNC Parts - REACO CNC\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong data-start=\"8710\" data-end=\"8726\"\u003eFanuc repair\u003c\/strong\u003e\u003c\/a\u003e support for installed CNC equipment.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1n8lizy\" data-start=\"1424\" data-end=\"1444\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp data-start=\"1446\" data-end=\"1741\"\u003eThe \u003cstrong data-start=\"1450\" data-end=\"1482\"\u003eA860-0309-T302 Fanuc encoder\u003c\/strong\u003e functions as a \u003cstrong data-start=\"1498\" data-end=\"1516\"\u003eposition coder\u003c\/strong\u003e that helps the CNC system monitor spindle position accurately. Components like this are essential for keeping the spindle feedback loop stable and ensuring that the machine receives the information it needs during operation.\u003c\/p\u003e\n\u003cp data-start=\"1743\" data-end=\"2041\"\u003eWhen an encoder begins to fail, the machine may show unstable spindle behavior, feedback errors, or alarm conditions that interrupt normal use. In those cases, replacing the correct \u003cstrong data-start=\"1925\" data-end=\"1943\"\u003eA860-0309-T302\u003c\/strong\u003e can be the most practical way to restore performance without changing the original machine setup.\u003c\/p\u003e\n\u003ch3 data-section-id=\"f8bsac\" data-start=\"2043\" data-end=\"2070\"\u003eReplacement Information\u003c\/h3\u003e\n\u003cp data-start=\"2072\" data-end=\"2189\"\u003eA key point for this model is that the \u003cstrong data-start=\"2111\" data-end=\"2129\"\u003eA860-0309-T302\u003c\/strong\u003e is used as a replacement for the \u003cstrong data-start=\"2163\" data-end=\"2188\"\u003eA86L-0027-0001 series\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2191\" data-end=\"2245\"\u003eThis makes it especially useful for customers who are:\u003c\/p\u003e\n\u003cul data-start=\"2247\" data-end=\"2439\"\u003e\n\u003cli data-section-id=\"uxcq65\" data-start=\"2247\" data-end=\"2285\"\u003ereplacing older encoder assemblies\u003c\/li\u003e\n\u003cli data-section-id=\"1pua64o\" data-start=\"2286\" data-end=\"2340\"\u003echecking compatibility with legacy spindle systems\u003c\/li\u003e\n\u003cli data-section-id=\"82g0v8\" data-start=\"2341\" data-end=\"2382\"\u003emaintaining installed Fanuc equipment\u003c\/li\u003e\n\u003cli data-section-id=\"4u8v4z\" data-start=\"2383\" data-end=\"2439\"\u003etrying to avoid unnecessary redesign or modification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2441\" data-end=\"2557\"\u003eFor many service teams, having the correct replacement reference saves time and makes sourcing more straightforward.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1iz91iu\" data-start=\"2559\" data-end=\"2575\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"2577\" data-end=\"2881\"\u003e\n\u003cli data-section-id=\"25tn5o\" data-start=\"2577\" data-end=\"2635\"\u003eFanuc \u003cstrong data-start=\"2585\" data-end=\"2604\"\u003espindle encoder\u003c\/strong\u003e \/ \u003cstrong data-start=\"2607\" data-end=\"2633\"\u003ealpha position encoder\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"14820a0\" data-start=\"2636\" data-end=\"2680\"\u003ePosition coder rated up to \u003cstrong data-start=\"2665\" data-end=\"2678\"\u003e10000 RPM\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"bdolpu\" data-start=\"2681\" data-end=\"2715\"\u003e\n\u003cstrong data-start=\"2683\" data-end=\"2706\"\u003e68 mm square flange\u003c\/strong\u003e design\u003c\/li\u003e\n\u003cli data-section-id=\"1qqeylt\" data-start=\"2716\" data-end=\"2761\"\u003eReplacement for \u003cstrong data-start=\"2734\" data-end=\"2759\"\u003eA86L-0027-0001 series\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10r0s09\" data-start=\"2762\" data-end=\"2814\"\u003eSuitable for replacement, repair, or spare stock\u003c\/li\u003e\n\u003cli data-section-id=\"1a4kdy5\" data-start=\"2815\" data-end=\"2881\"\u003ePractical option for maintaining installed \u003cstrong data-start=\"2860\" data-end=\"2873\"\u003eFanuc CNC\u003c\/strong\u003e systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"ucz99x\" data-start=\"2883\" data-end=\"2907\"\u003eTypical Applications\u003c\/h3\u003e\n\u003cp data-start=\"2909\" data-end=\"2952\"\u003eThe \u003cstrong data-start=\"2913\" data-end=\"2931\"\u003eA860-0309-T302\u003c\/strong\u003e is commonly used in:\u003c\/p\u003e\n\u003cul data-start=\"2954\" data-end=\"3201\"\u003e\n\u003cli data-section-id=\"19nlz0v\" data-start=\"2954\" data-end=\"2975\"\u003eFanuc CNC systems\u003c\/li\u003e\n\u003cli data-section-id=\"198p5a9\" data-start=\"2976\" data-end=\"3009\"\u003eSpindle feedback applications\u003c\/li\u003e\n\u003cli data-section-id=\"164mo7i\" data-start=\"3010\" data-end=\"3065\"\u003eMachine tools requiring accurate position detection\u003c\/li\u003e\n\u003cli data-section-id=\"1s1ou6\" data-start=\"3066\" data-end=\"3140\"\u003eMaintenance and rebuild projects involving spindle encoder replacement\u003c\/li\u003e\n\u003cli data-section-id=\"1gtt4xh\" data-start=\"3141\" data-end=\"3201\"\u003eService work requiring original-compatible \u003cstrong data-start=\"3186\" data-end=\"3201\"\u003eFanuc parts\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3203\" data-end=\"3393\"\u003eIt may also be sourced together with related \u003cstrong data-start=\"3248\" data-end=\"3265\"\u003espindle drive\u003c\/strong\u003e units, \u003cstrong data-start=\"3273\" data-end=\"3292\"\u003eservo amplifier\u003c\/strong\u003e modules, \u003cstrong data-start=\"3302\" data-end=\"3322\"\u003eFanuc controller\u003c\/strong\u003e parts, and other CNC electronic assemblies during broader repair work.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1fg2wqt\" data-start=\"3395\" data-end=\"3416\"\u003eCondition Options\u003c\/h3\u003e\n\u003cp data-start=\"3418\" data-end=\"3483\"\u003eDepending on stock availability, this encoder may be supplied in:\u003c\/p\u003e\n\u003cul data-start=\"3485\" data-end=\"3547\"\u003e\n\u003cli data-section-id=\"1jqn1mv\" data-start=\"3485\" data-end=\"3502\"\u003eNew condition\u003c\/li\u003e\n\u003cli data-section-id=\"1op2ke4\" data-start=\"3503\" data-end=\"3528\"\u003eRefurbished condition\u003c\/li\u003e\n\u003cli data-section-id=\"1u2nacc\" data-start=\"3529\" data-end=\"3547\"\u003eUsed condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3549\" data-end=\"3700\"\u003eFor many customers, refurbished stock is a practical solution because it offers dependable replacement support while helping manage lead time and cost.\u003c\/p\u003e\n\u003ch3 data-section-id=\"wbizez\" data-start=\"3702\" data-end=\"3741\"\u003eWhy Customers Search for This Model\u003c\/h3\u003e\n\u003cp data-start=\"3743\" data-end=\"3808\"\u003eCustomers usually look for the \u003cstrong data-start=\"3774\" data-end=\"3792\"\u003eA860-0309-T302\u003c\/strong\u003e when they need:\u003c\/p\u003e\n\u003cul data-start=\"3810\" data-end=\"4084\"\u003e\n\u003cli data-section-id=\"1nb9cwe\" data-start=\"3810\" data-end=\"3863\"\u003eA direct replacement for a faulty spindle encoder\u003c\/li\u003e\n\u003cli data-section-id=\"1jp6fg6\" data-start=\"3864\" data-end=\"3916\"\u003eAn alternative for the \u003cstrong data-start=\"3889\" data-end=\"3914\"\u003eA86L-0027-0001 series\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1bdf1nj\" data-start=\"3917\" data-end=\"3965\"\u003eBackup \u003cstrong data-start=\"3926\" data-end=\"3941\"\u003eFanuc stock\u003c\/strong\u003e for critical machines\u003c\/li\u003e\n\u003cli data-section-id=\"3sfdn1\" data-start=\"3966\" data-end=\"4027\"\u003eReliable \u003cstrong data-start=\"3977\" data-end=\"3992\"\u003eFanuc parts\u003c\/strong\u003e for spindle feedback maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"yq2gaz\" data-start=\"4028\" data-end=\"4084\"\u003eHelp deciding between replacement and \u003cstrong data-start=\"4068\" data-end=\"4084\"\u003eFanuc repair\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4086\" data-end=\"4207\"\u003eIn real service situations, having the correct encoder available can reduce downtime and make fault recovery much faster.\u003c\/p\u003e\n\u003ch3 data-section-id=\"19ywls1\" data-start=\"4209\" data-end=\"4243\"\u003eRepair and Replacement Support\u003c\/h3\u003e\n\u003cp data-start=\"4245\" data-end=\"4513\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/\" title=\"CNC Replacement Parts \u0026amp; Repair Solutions - REACO CNC\" rel=\"noopener\" target=\"_blank\"\u003eREACO CNC\u003c\/a\u003e supports both direct replacement supply and \u003cstrong data-start=\"4299\" data-end=\"4315\"\u003eFanuc repair\u003c\/strong\u003e inquiries. If your original \u003cstrong data-start=\"4344\" data-end=\"4362\"\u003eA860-0309-T302\u003c\/strong\u003e is damaged, we can help review whether repair is practical or whether replacement is the more efficient option based on stock, condition, and urgency.\u003c\/p\u003e\n\u003cp data-start=\"4515\" data-end=\"4719\"\u003eWe also support sourcing for related \u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/collections\/fanuc-cnc-robot-parts\" title=\"Buy \u0026amp; Repair Fanuc Parts - REACO CNC\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong data-start=\"6048\" data-end=\"6063\"\u003eFanuc parts\u003c\/strong\u003e\u003c\/a\u003e, including encoders, \u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/collections\/fanuc-drive\" title=\"Buy \u0026amp; Repair Fanuc Drives for Reliable Industrial Automation - REACO CNC\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong data-start=\"4034\" data-end=\"4051\"\u003espindle drive\u003c\/strong\u003e\u003c\/a\u003e units, \u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/collections\/fanuc-drive\" title=\"Buy \u0026amp; Repair Fanuc Drives for Reliable Industrial Automation - REACO CNC\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong data-start=\"4005\" data-end=\"4024\"\u003eservo amplifier\u003c\/strong\u003e\u003c\/a\u003e modules, main boards, and other electronic assemblies used in industrial CNC systems.\u003c\/p\u003e\n\u003ch3 data-section-id=\"4b2csc\" data-start=\"4721\" data-end=\"4741\"\u003eAdditional Notes\u003c\/h3\u003e\n\u003cp data-start=\"4743\" data-end=\"5036\"\u003eEncoder problems are not always obvious at first, but they can quickly affect spindle performance and machine reliability. A correct \u003cstrong data-start=\"4876\" data-end=\"4894\"\u003eA860 0309 T302\u003c\/strong\u003e replacement can help restore accurate feedback, preserve the original configuration, and keep the machine operating with fewer interruptions.\u003c\/p\u003e\n\u003cp data-start=\"5038\" data-end=\"5255\"\u003eWhether you are replacing a failed encoder, preparing spare inventory, or comparing replacement against \u003cstrong data-start=\"5142\" data-end=\"5158\"\u003eFanuc repair\u003c\/strong\u003e, \u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/\" title=\"Industrial Automation Parts Worldwide - REACO CNC\" rel=\"noopener\" target=\"_blank\"\u003eREACO CNC\u003c\/a\u003e can support your needs with dependable \u003cstrong data-start=\"5209\" data-end=\"5224\"\u003eFanuc parts\u003c\/strong\u003e supply and worldwide shipping.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1xxf4ds\" data-start=\"5257\" data-end=\"5264\"\u003eFAQ\u003c\/h3\u003e\n\u003cp data-start=\"5266\" data-end=\"5371\"\u003e\u003cstrong data-start=\"5266\" data-end=\"5293\"\u003eWhat is A860-0309-T302?\u003c\/strong\u003e\u003cbr data-start=\"5293\" data-end=\"5296\"\u003eIt is a Fanuc spindle encoder and alpha position coder used in CNC systems.\u003c\/p\u003e\n\u003cp data-start=\"5373\" data-end=\"5461\"\u003e\u003cstrong data-start=\"5373\" data-end=\"5420\"\u003eWhat is the speed rating of A860-0309-T302?\u003c\/strong\u003e\u003cbr data-start=\"5420\" data-end=\"5423\"\u003eThis encoder is rated up to 10000 RPM.\u003c\/p\u003e\n\u003cp data-start=\"5463\" data-end=\"5539\"\u003e\u003cstrong data-start=\"5463\" data-end=\"5506\"\u003eWhat flange size does this encoder use?\u003c\/strong\u003e\u003cbr data-start=\"5506\" data-end=\"5509\"\u003eIt uses a 68 mm square flange.\u003c\/p\u003e\n\u003cp data-start=\"5541\" data-end=\"5623\"\u003e\u003cstrong data-start=\"5541\" data-end=\"5578\"\u003eWhat does A860-0309-T302 replace?\u003c\/strong\u003e\u003cbr data-start=\"5578\" data-end=\"5581\"\u003eIt replaces the \u003cstrong data-start=\"5597\" data-end=\"5622\"\u003eA86L-0027-0001 series\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"5625\" data-end=\"5733\"\u003e\u003cstrong data-start=\"5625\" data-end=\"5660\"\u003eCan A860-0309-T302 be repaired?\u003c\/strong\u003e\u003cbr data-start=\"5660\" data-end=\"5663\"\u003eYes. Repair may be possible depending on the condition and fault type.\u003c\/p\u003e\n\u003cp data-start=\"5735\" data-end=\"5833\"\u003e\u003cstrong data-start=\"5735\" data-end=\"5773\"\u003eDo you provide worldwide shipping?\u003c\/strong\u003e\u003cbr data-start=\"5773\" data-end=\"5776\"\u003eYes. We supply Fanuc parts to customers around the world.\u003c\/p\u003e\n\u003chr data-start=\"5487\" data-end=\"5490\"\u003e\n\u003cp data-start=\"10179\" data-end=\"10313\"\u003e\u003cstrong data-start=\"5844\" data-end=\"5896\"\u003eNeed pricing or availability for A860-0309-T302?\u003c\/strong\u003e\u003cbr data-start=\"5896\" data-end=\"5899\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/pages\/contact-us\" title=\"Contact Us for Reliable industrial automation solutions - REACO CNC\" rel=\"noopener\" target=\"_blank\"\u003eContact REACO CNC\u003c\/a\u003e for stock status, repair support, and worldwide shipping options.\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":"REACO CNC","offers":[{"title":"Brand New","offer_id":48491330928855,"sku":"A860-0309-T302-new","price":316.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/3784\/4183\/files\/View_A860-0309-T302_model_information.jpg?v=1776307031","url":"https:\/\/reacocnc.com\/it\/products\/fanuc-a860-0309-t302-spindle-encoder","provider":"REACO CNC","version":"1.0","type":"link"}