{"product_id":"thk-hsr55h-recirculating-ball-linear-guide-block","title":"THK HSR55H Recirculating Ball Linear Guide Block","description":"\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:d1def498-0850-425e-b960-8dc742a455ff-73\" 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-73\" data-turn-id-container=\"request-WEB:d1def498-0850-425e-b960-8dc742a455ff-73\" data-testid=\"conversation-turn-148\" 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=\"fd5047d1-d531-46ed-aef5-74fe90c09db2\" 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=\"streaming-animation 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=\"891\"\u003eThe THK HSR55H Linear Guide Standard Ball Bearing Block 55mm is a long flange-type recirculating ball linear bearing block designed for use with THK HSR55 series linear guide rails in heavy-duty, high-precision linear motion systems. Featuring the HSR55HA long block design, the bearing block provides increased load capacity, exceptional rigidity, four-way equal load capability, and smooth low-friction operation for accurate positioning under demanding industrial conditions. Commonly installed in CNC machining centers, industrial robots, semiconductor manufacturing equipment, heavy-duty automation systems, precision inspection machines, and material handling equipment, this linear guide block is used by maintenance teams, OEM machine builders, and \u003ca href=\"https:\/\/plgautomation.com\/collections\/hmi-operator-interfaces\"\u003esystem integrators\u003c\/a\u003e for equipment repair, retrofit, expansion, and replacement. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"893\" data-end=\"910\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"912\" data-end=\"1469\"\u003eThe THK HSR55H Linear Guide Block is widely used in CNC milling machines, machining centers, gantry automation systems, robotic transfer equipment, semiconductor manufacturing equipment, packaging machinery, precision measuring systems, and heavy-duty factory automation. Its long flange carriage design provides greater load ratings and enhanced rigidity compared with standard flange blocks, making it ideal for applications requiring excellent moment resistance, high positioning accuracy, and extended service life. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1471\" data-end=\"1500\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1502\" data-end=\"2544\"\u003e• Manufacturer: THK Ltd.\u003cbr data-start=\"1526\" data-end=\"1529\"\u003e• Product Type: Linear Motion Guide Block\u003cbr data-start=\"1570\" data-end=\"1573\"\u003e• Series: HSR Global Standard LM Guide\u003cbr data-start=\"1611\" data-end=\"1614\"\u003e• Model: HSR55H (HSR55HA Type)\u003cbr data-start=\"1644\" data-end=\"1647\"\u003e• Block Type: HA (Long Flange Type)\u003cbr data-start=\"1682\" data-end=\"1685\"\u003e• Guide Type: Four-Row Recirculating Ball Linear Motion Guide\u003cbr data-start=\"1746\" data-end=\"1749\"\u003e• Compatible Rail Size: 55 mm\u003cbr data-start=\"1778\" data-end=\"1781\"\u003e• Overall Height (M): 70 mm\u003cbr data-start=\"1808\" data-end=\"1811\"\u003e• Block Width (W): 140 mm\u003cbr data-start=\"1836\" data-end=\"1839\"\u003e• Overall Length (L): 201.1 mm\u003cbr data-start=\"1869\" data-end=\"1872\"\u003e• Mounting Hole Spacing (B × C): 116 × 95 mm\u003cbr data-start=\"1916\" data-end=\"1919\"\u003e• Mounting Thread: M14\u003cbr data-start=\"1941\" data-end=\"1944\"\u003e• Rail Width: 53 mm\u003cbr data-start=\"1963\" data-end=\"1966\"\u003e• Rail Height: 44 mm\u003cbr data-start=\"1986\" data-end=\"1989\"\u003e• Rail Mounting Hole Pitch: 120 mm\u003cbr data-start=\"2023\" data-end=\"2026\"\u003e• Dynamic Load Rating: 148 kN\u003cbr data-start=\"2055\" data-end=\"2058\"\u003e• Static Load Rating: 194 kN\u003cbr data-start=\"2086\" data-end=\"2089\"\u003e• Grease Nipple: B-PT1\/8\u003cbr data-start=\"2113\" data-end=\"2116\"\u003e• Block Weight: Approximately 5.7 kg\u003cbr data-start=\"2152\" data-end=\"2155\"\u003e• Material: Hardened Bearing Steel\u003cbr data-start=\"2189\" data-end=\"2192\"\u003e• Lubrication: Grease or Oil Lubrication\u003cbr data-start=\"2232\" data-end=\"2235\"\u003e• Interchangeable Components: Yes (Global Standard Series)\u003cbr data-start=\"2293\" data-end=\"2296\"\u003e• Features: Long flange carriage, four-way equal load design, self-aligning capability, precision-ground raceways, high rigidity, excellent moment load resistance, low-friction operation, and long service life. \u003cspan class=\"\" data-state=\"instant-open\" aria-describedby=\"radix-_r_3u0_\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2546\" data-end=\"2570\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2572\" data-end=\"2662\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• THK HSR55HA1SS\u003cbr data-start=\"2588\" data-end=\"2591\"\u003e• THK HSR55HAM\u003cbr data-start=\"2605\" data-end=\"2608\"\u003e• THK HSR55CA1SS\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":"Used Surplus - Excellent Condition","offer_id":51713986625838,"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_819000b1-3c23-4658-8c5e-a8b42de61930.jpg?v=1770413037","url":"https:\/\/plgautomation.com\/products\/thk-hsr55h-recirculating-ball-linear-guide-block","provider":"PLG Automation ","version":"1.0","type":"link"}