{"product_id":"thk-hrw21-150l-linear-guide-rail","title":"THK HRW21-150L Linear Guide Rail","description":"\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:d1def498-0850-425e-b960-8dc742a455ff-14\" 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:d1def498-0850-425e-b960-8dc742a455ff-14\" data-turn-id-container=\"request-WEB:d1def498-0850-425e-b960-8dc742a455ff-14\" data-testid=\"conversation-turn-30\" 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=\"64cb764b-e1a1-462c-93ea-06463285ed46\" 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=\"18\" data-end=\"644\"\u003eThe THK HRW21-150L Guide Rail is a precision wide-rail linear motion guide used with compatible THK HRW21 bearing blocks to provide smooth, rigid, and accurate linear travel in industrial automation systems. Commonly installed in CNC machine tools, semiconductor equipment, packaging machinery, industrial robots, and precision inspection systems where compact, high-rigidity linear guidance is required. Maintenance teams, OEM machine builders, and \u003ca href=\"https:\/\/plgautomation.com\/collections\/hmi-operator-interfaces\"\u003esystem integrators\u003c\/a\u003e use this guide rail for machine repairs, rail replacements, automation retrofits, and precision motion system upgrades. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"646\" data-end=\"663\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"665\" data-end=\"1063\"\u003eThe THK HRW21-150L Guide Rail is commonly used in CNC machining centers, pick-and-place equipment, automated assembly systems, semiconductor manufacturing machinery, medical devices, packaging equipment, vision inspection systems, and other factory automation applications requiring a compact, low-profile, high-rigidity linear guide with a 150 mm rail length. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1065\" data-end=\"1094\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1096\" data-end=\"1897\"\u003e• Manufacturer: THK Ltd.\u003cbr data-start=\"1120\" data-end=\"1123\"\u003e• Manufacturer Part Number (MPN): HRW21-150L\u003cbr data-start=\"1167\" data-end=\"1170\"\u003e• Brand: THK\u003cbr data-start=\"1182\" data-end=\"1185\"\u003e• Product Type: Linear Guide Rail (LM Rail)\u003cbr data-start=\"1228\" data-end=\"1231\"\u003e• Series: HRW Wide-Rail LM Guide\u003cbr data-start=\"1263\" data-end=\"1266\"\u003e• Rail Size: 21 mm\u003cbr data-start=\"1284\" data-end=\"1287\"\u003e• Rail Length: 150 mm\u003cbr data-start=\"1308\" data-end=\"1311\"\u003e• Rail Width: 37 mm\u003cbr data-start=\"1330\" data-end=\"1333\"\u003e• Rail Height: 11 mm\u003cbr data-start=\"1353\" data-end=\"1356\"\u003e• Guide Type: Wide-Rail, Four-Way Equal Load\u003cbr data-start=\"1400\" data-end=\"1403\"\u003e• Material: Hardened Bearing Steel\u003cbr data-start=\"1437\" data-end=\"1440\"\u003e• Mounting Style: Through-Hole Mounting\u003cbr data-start=\"1479\" data-end=\"1482\"\u003e• Mounting Hole Pitch (Standard): 50 mm\u003cbr data-start=\"1521\" data-end=\"1524\"\u003e• Lubrication: Grease or Oil Lubrication Compatible\u003cbr data-start=\"1575\" data-end=\"1578\"\u003e• Compatible Bearing Blocks: THK HRW21CA \/ HRW21CAM \/ HRW21CR \/ HRW21CRM\u003cbr data-start=\"1650\" data-end=\"1653\"\u003e• Surface Finish: Precision Ground Raceway\u003cbr data-start=\"1695\" data-end=\"1698\"\u003e• Typical Applications: CNC machinery, robotics, semiconductor equipment, packaging machinery, and industrial automation systems\u003cbr data-start=\"1826\" data-end=\"1829\"\u003e• Internal Reference: #212156 \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1899\" data-end=\"1923\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1925\" data-end=\"2012\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• THK HRW21-230L Guide Rail\u003cbr data-start=\"1952\" data-end=\"1955\"\u003e• THK HRW21-380L Guide Rail\u003cbr data-start=\"1982\" data-end=\"1985\"\u003e• THK HRW21-480L Guide Rail\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":"THK","offers":[{"title":"New","offer_id":51713988788526,"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_887a571e-92ec-4af8-b122-341fbd735922.jpg?v=1770413102","url":"https:\/\/plgautomation.com\/products\/thk-hrw21-150l-linear-guide-rail","provider":"PLG Automation ","version":"1.0","type":"link"}