{"product_id":"thk-hsr25b2uu1240l-ii-linear-guide-rail-assembly","title":"THK HSR25B2UU1240L-II Linear Guide Rail Assembly","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"18\" data-end=\"774\"\u003eThe THK HSR25B2UU1240L-II Linear Guide Rail Assembly is a complete precision linear motion system consisting of a 1,240 mm HSR25 guide rail and two HSR25B flange-type recirculating ball linear guide blocks with UU double end seals. Designed with THK's four-way equal load technology, this assembly provides high rigidity, smooth linear travel, and excellent positioning accuracy for heavy-duty industrial applications. Commonly installed in CNC machine tools, industrial robots, semiconductor equipment, packaging machinery, and factory automation systems, this linear guide assembly 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=\"776\" data-end=\"793\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"795\" data-end=\"1319\"\u003eThe THK HSR25B2UU1240L-II Linear Guide Rail Assembly is widely used in CNC machining centers, automated manufacturing systems, robotic positioning equipment, semiconductor processing machines, inspection systems, packaging equipment, medical devices, and other precision linear motion applications requiring high load capacity, smooth operation, and long-term reliability. The factory-assembled rail and dual guide blocks simplify installation while maintaining precise linear movement. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1321\" data-end=\"1350\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1352\" data-end=\"2350\"\u003e• Manufacturer: THK Ltd.\u003cbr data-start=\"1376\" data-end=\"1379\"\u003e• Brand: THK\u003cbr data-start=\"1391\" data-end=\"1394\"\u003e• Manufacturer Part Number: HSR25B2UU1240L-II\u003cbr data-start=\"1439\" data-end=\"1442\"\u003e• Product Type: Linear Guide Rail Assembly\u003cbr data-start=\"1484\" data-end=\"1487\"\u003e• Series: HSR Full-Ball LM Guide\u003cbr data-start=\"1519\" data-end=\"1522\"\u003e• Rail Size: 25 mm\u003cbr data-start=\"1540\" data-end=\"1543\"\u003e• Rail Length: 1240 mm\u003cbr data-start=\"1565\" data-end=\"1568\"\u003e• Guide Blocks Included: 2 × HSR25BUU Linear Guide Blocks\u003cbr data-start=\"1625\" data-end=\"1628\"\u003e• Block Style: B (Flange Type, Mounting from Below)\u003cbr data-start=\"1679\" data-end=\"1682\"\u003e• Seal Type: UU (Double End Seals)\u003cbr data-start=\"1716\" data-end=\"1719\"\u003e• Rail Width: 23 mm\u003cbr data-start=\"1738\" data-end=\"1741\"\u003e• Rail Height: 22 mm\u003cbr data-start=\"1761\" data-end=\"1764\"\u003e• Standard Rail Mounting Hole Pitch: 60 mm\u003cbr data-start=\"1806\" data-end=\"1809\"\u003e• Guide Type: Precision Recirculating Ball Linear Guide\u003cbr data-start=\"1864\" data-end=\"1867\"\u003e• Load Direction: Four-way equal load (radial, reverse radial, and lateral)\u003cbr data-start=\"1942\" data-end=\"1945\"\u003e• Basic Dynamic Load Rating: Approximately 27.6 kN\u003cbr data-start=\"1995\" data-end=\"1998\"\u003e• Basic Static Load Rating: Approximately 36.4 kN\u003cbr data-start=\"2047\" data-end=\"2050\"\u003e• Material: Hardened Bearing Steel\u003cbr data-start=\"2084\" data-end=\"2087\"\u003e• Lubrication: Grease or Oil Compatible\u003cbr data-start=\"2126\" data-end=\"2129\"\u003e• Features: High rigidity, self-aligning capability, low friction, high positioning accuracy, precision-ground raceways, long service life, and interchangeable Global Standard design. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2352\" data-end=\"2376\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2378\" data-end=\"2492\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• THK HSR25B2SS1240L-II\u003cbr data-start=\"2401\" data-end=\"2404\"\u003e• THK HSR25HB2UU1240L-II\u003cbr data-start=\"2428\" data-end=\"2431\"\u003e• THK SHS25B2UU1240L-II\u003c\/p\u003e","brand":"THK","offers":[{"title":"New","offer_id":51713987543342,"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_c4112be9-506b-4692-9487-3b5d854c164c.jpg?v=1770413064","url":"https:\/\/plgautomation.com\/products\/thk-hsr25b2uu1240l-ii-linear-guide-rail-assembly","provider":"PLG Automation ","version":"1.0","type":"link"}