{"product_id":"thk-shw21ca2uu370l-linear-guide-blocks-rail","title":"THK SHW21CA2UU370L LINEAR GUIDE BLOCKS RAIL","description":"\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:c1bb6e0e-55e8-4a16-a2f1-eb7caf7764a8-39\" 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:c1bb6e0e-55e8-4a16-a2f1-eb7caf7764a8-39\" data-turn-id-container=\"request-WEB:c1bb6e0e-55e8-4a16-a2f1-eb7caf7764a8-39\" data-testid=\"conversation-turn-80\" 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=\"ff21e475-625d-478c-a6cb-2f4ab29130d6\" 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=\"783\"\u003eThe THK SHW21CA2UU370L Linear Guide Blocks and Rail Assembly is a complete caged ball linear motion guide consisting of two SHW21CA flange-type bearing blocks mounted on a 370 mm SHW21 wide guide rail. It is designed for compact, high-rigidity linear motion applications requiring excellent moment load capacity, smooth travel, and precise positioning. Commonly installed in semiconductor manufacturing equipment, automated assembly systems, packaging machinery, medical devices, precision inspection equipment, and industrial robotics. Maintenance teams and \u003ca href=\"https:\/\/plgautomation.com\/collections\/hmi-operator-interfaces\"\u003esystem integrators\u003c\/a\u003e use this assembly for machine repair, OEM replacement, retrofit projects, and new automation systems requiring reliable and accurate linear guidance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"785\" data-end=\"802\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"804\" data-end=\"1302\"\u003eThe THK SHW21CA2UU370L is engineered for compact precision motion systems where space savings, high rigidity, and long service life are essential. Its wide-rail configuration provides outstanding resistance to moment loads while maintaining smooth, low-friction movement, making it suitable for laboratory automation, electronic manufacturing equipment, vision systems, CNC auxiliary axes, pick-and-place machines, and precision material handling applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1304\" data-end=\"1333\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1335\" data-end=\"2584\"\u003e• Manufacturer: THK\u003cbr data-start=\"1354\" data-end=\"1357\"\u003e• Manufacturer Part Number: SHW21CA2UU370L\u003cbr data-start=\"1399\" data-end=\"1402\"\u003e• Product Type: Caged Ball Linear Motion Guide Wide-Rail Assembly\u003cbr data-start=\"1467\" data-end=\"1470\"\u003e• Series: SHW Wide-Rail LM Guide\u003cbr data-start=\"1502\" data-end=\"1505\"\u003e• Bearing Block Model: SHW21CA\u003cbr data-start=\"1535\" data-end=\"1538\"\u003e• Number of Bearing Blocks: 2\u003cbr data-start=\"1567\" data-end=\"1570\"\u003e• Rail Model: SHW21\u003cbr data-start=\"1589\" data-end=\"1592\"\u003e• Rail Length: 370 mm\u003cbr data-start=\"1613\" data-end=\"1616\"\u003e• Rail Size: 21 mm\u003cbr data-start=\"1634\" data-end=\"1637\"\u003e• Guide Type: Wide-Rail, Low-Profile Linear Motion Guide\u003cbr data-start=\"1693\" data-end=\"1696\"\u003e• Block Style: Flange Type (CA)\u003cbr data-start=\"1727\" data-end=\"1730\"\u003e• Block Mounting: Bolts Mounted from Above and Below\u003cbr data-start=\"1782\" data-end=\"1785\"\u003e• Ball Retainer: Caged Ball Design\u003cbr data-start=\"1819\" data-end=\"1822\"\u003e• Loading Direction: Four-Way Equal Load\u003cbr data-start=\"1862\" data-end=\"1865\"\u003e• Rail Width: 68 mm\u003cbr data-start=\"1884\" data-end=\"1887\"\u003e• Block Height: 21 mm\u003cbr data-start=\"1908\" data-end=\"1911\"\u003e• Block Length: 59 mm\u003cbr data-start=\"1932\" data-end=\"1935\"\u003e• Basic Dynamic Load Rating: 8.24 kN\u003cbr data-start=\"1971\" data-end=\"1974\"\u003e• Basic Static Load Rating: 12.8 kN\u003cbr data-start=\"2009\" data-end=\"2012\"\u003e• Lubrication: Grease or Oil Lubrication\u003cbr data-start=\"2052\" data-end=\"2055\"\u003e• Seal Type: UU Double End Seals\u003cbr data-start=\"2087\" data-end=\"2090\"\u003e• Preload Options: Normal (No Symbol), Light Preload (C1)\u003cbr data-start=\"2147\" data-end=\"2150\"\u003e• Accuracy Grades: Normal, High (H), Precision (P), Super Precision (SP), Ultra Precision (UP)\u003cbr data-start=\"2244\" data-end=\"2247\"\u003e• Operating Temperature: -15°C to 80°C\u003cbr data-start=\"2285\" data-end=\"2288\"\u003e• Material: Hardened Bearing Steel\u003cbr data-start=\"2322\" data-end=\"2325\"\u003e• Features: Wide rail construction, low-profile design, high moment rigidity, self-adjusting capability, low noise, long maintenance intervals, high positioning accuracy, and compatibility with THK QZ lubrication systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2586\" data-end=\"2610\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2612\" data-end=\"2678\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• THK SHW21CA2UU310L\u003cbr data-start=\"2632\" data-end=\"2635\"\u003e• THK SHW21CA2UU470L\u003cbr data-start=\"2655\" data-end=\"2658\"\u003e• THK HRW21CA2UU370L\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":51713983316270,"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_d48b3844-985f-451e-a672-e19b0a46eff3.jpg?v=1770412933","url":"https:\/\/plgautomation.com\/products\/thk-shw21ca2uu370l-linear-guide-blocks-rail","provider":"PLG Automation ","version":"1.0","type":"link"}