{"product_id":"thk-4hrt2042uus504l-linear-bearing-yah30090-hrt2042-4hrt2042uus-ea","title":"THK 4HRT2042UUS504L LINEAR BEARING YAH30090 HRT2042 4HRT2042UUS EA","description":"\u003cdiv class=\"\" data-turn-id-container=\"b6d6f883-150b-4a7e-8f8b-0d0228b2fbc1\" 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-(--sticky-padding-top)\" dir=\"auto\" data-turn-id=\"b6d6f883-150b-4a7e-8f8b-0d0228b2fbc1\" data-turn-id-container=\"b6d6f883-150b-4a7e-8f8b-0d0228b2fbc1\" data-testid=\"conversation-turn-477\" data-turn=\"user\"\u003e\u003c\/section\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a5de32c-fc7c-83ec-a01c-8292e39c970c-99\" 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-6a5de32c-fc7c-83ec-a01c-8292e39c970c-99\" data-turn-id-container=\"request-6a5de32c-fc7c-83ec-a01c-8292e39c970c-99\" data-testid=\"conversation-turn-478\" 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=\"0a346079-f869-45f6-a332-8443557f1a6b\" 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=\"785\"\u003eThe THK 4HRT2042UUS504L Linear Bearing is a heavy-load linear guide assembly consisting of four HR2042UU bearing blocks mounted on a 504 mm precision rail. Designed for high rigidity, smooth linear motion, and four-way equal load capacity, it delivers reliable performance in demanding industrial applications requiring high load support and positioning accuracy. Commonly installed in CNC machine tools, machining centers, transfer equipment, industrial robots, precision manufacturing systems, and heavy-duty automation machinery. Maintenance teams, machine builders, and \u003ca href=\"https:\/\/plgautomation.com\/collections\/hmi-operator-interfaces\"\u003esystem integrators\u003c\/a\u003e use this linear bearing assembly for OEM installations, equipment upgrades, repairs, and replacement of heavy-load linear guide systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"787\" data-end=\"804\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"806\" data-end=\"1640\"\u003eThe THK 4HRT2042UUS504L belongs to THK's HR Series heavy-load LM Guide family. It features four HR2042UU linear bearing blocks mounted on a 504 mm rail, providing exceptional rigidity and stable linear motion under loads applied from any direction. The HR Series utilizes a four-way equal load design that automatically accommodates installation errors while maintaining high positioning accuracy. The UU designation indicates double end seals for improved protection against contaminants, while the assembly is suitable for applications requiring heavy-duty linear guidance, including machining equipment, gantry systems, industrial automation, precision assembly lines, and material handling equipment. The associated identifier YAH30090 refers to the rail configuration used for this assembly. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1642\" data-end=\"1671\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1673\" data-end=\"2740\"\u003e• Brand: THK\u003cbr data-start=\"1685\" data-end=\"1688\"\u003e• Part Number: 4HRT2042UUS504L\u003cbr data-start=\"1718\" data-end=\"1721\"\u003e• Alternate Reference: YAH30090\u003cbr data-start=\"1752\" data-end=\"1755\"\u003e• Product Type: Linear Bearing Assembly (LM Guide)\u003cbr data-start=\"1805\" data-end=\"1808\"\u003e• Series: HR Heavy Load LM Guide Series\u003cbr data-start=\"1847\" data-end=\"1850\"\u003e• Model: HR2042UU\u003cbr data-start=\"1867\" data-end=\"1870\"\u003e• Rail Length: 504 mm\u003cbr data-start=\"1891\" data-end=\"1894\"\u003e• Number of Bearing Blocks: 4\u003cbr data-start=\"1923\" data-end=\"1926\"\u003e• Guide Size: HR2042\u003cbr data-start=\"1946\" data-end=\"1949\"\u003e• Bearing Type: Recirculating Ball Linear Bearing\u003cbr data-start=\"1998\" data-end=\"2001\"\u003e• Load Direction: Four-Way Equal Load\u003cbr data-start=\"2038\" data-end=\"2041\"\u003e• Block Type: Standard Length\u003cbr data-start=\"2070\" data-end=\"2073\"\u003e• Seal Type: UU (Double End Seals)\u003cbr data-start=\"2107\" data-end=\"2110\"\u003e• Rail Mounting: Bolt Mounted from Top or Bottom\u003cbr data-start=\"2158\" data-end=\"2161\"\u003e• Lubrication: Grease or Oil Lubrication Compatible\u003cbr data-start=\"2212\" data-end=\"2215\"\u003e• Dynamic Load Rating: 17.0 kN (per block)\u003cbr data-start=\"2257\" data-end=\"2260\"\u003e• Static Load Rating: 18.2 kN (per block)\u003cbr data-start=\"2301\" data-end=\"2304\"\u003e• Block Height: 20 mm\u003cbr data-start=\"2325\" data-end=\"2328\"\u003e• Block Width: 26.3 mm\u003cbr data-start=\"2350\" data-end=\"2353\"\u003e• Block Length: 91.6 mm\u003cbr data-start=\"2376\" data-end=\"2379\"\u003e• Operating Temperature: -20°C to +80°C (standard configuration)\u003cbr data-start=\"2443\" data-end=\"2446\"\u003e• Rail Joint Capability: Supported\u003cbr data-start=\"2480\" data-end=\"2483\"\u003e• Features: High rigidity, self-aligning capability, four-way equal load design, precision-ground rail, smooth low-friction motion, high positioning accuracy, contamination-resistant double seals, and long service life. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2742\" data-end=\"2766\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2768\" data-end=\"2876\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• THK 4HRT2042UUS600L\u003cbr data-start=\"2789\" data-end=\"2792\"\u003e• THK 4HRT2042UUS750L\u003cbr data-start=\"2813\" data-end=\"2816\"\u003e• THK 4HRT2042TUUS504L\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":51713990099246,"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_c692a2e9-7f40-43f6-984e-cf67cf068cf0.jpg?v=1770413138","url":"https:\/\/plgautomation.com\/products\/thk-4hrt2042uus504l-linear-bearing-yah30090-hrt2042-4hrt2042uus-ea","provider":"PLG Automation ","version":"1.0","type":"link"}