{"product_id":"thk-rsr12wzmuu390lm-linear-guide-block-rail-assembly","title":"THK RSR12WZMUU390LM LINEAR GUIDE BLOCK 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=\"1070\"\u003eThe THK RSR12WZMUU390LM Linear Guide Block \u0026amp; Rail Assembly is a miniature wide-type recirculating ball linear motion guide consisting of an RSR12WZM bearing block mounted on a 390 mm precision guide rail. Designed for compact, high-precision linear motion applications, the wide-block configuration provides excellent rigidity, smooth low-friction travel, and equal load capacity in all four directions while maintaining a compact footprint. Commonly installed in semiconductor manufacturing equipment, laboratory automation systems, medical devices, optical inspection equipment, electronics assembly machines, and precision measuring systems, this 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 repairs, retrofits, and replacement of miniature linear guide systems. The \"UU\" designation indicates double end seals for improved protection against dust and contaminants, while the \"M\" suffix denotes stainless steel construction for enhanced corrosion resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"1072\" data-end=\"1089\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"1091\" data-end=\"1576\"\u003eThe THK RSR12WZMUU390LM linear guide assembly is widely used in semiconductor processing equipment, laboratory instruments, medical diagnostic systems, optical inspection machines, electronics manufacturing equipment, compact CNC machines, pick-and-place systems, miniature robotic assemblies, precision measuring instruments, and other industrial automation applications requiring compact, smooth, accurate, and corrosion-resistant linear motion. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1578\" data-end=\"1607\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1609\" data-end=\"2554\"\u003e• Manufacturer: THK Ltd.\u003cbr data-start=\"1633\" data-end=\"1636\"\u003e• Model: RSR12WZMUU390LM\u003cbr data-start=\"1660\" data-end=\"1663\"\u003e• Product Type: Miniature Linear Guide Block \u0026amp; Rail Assembly\u003cbr data-start=\"1723\" data-end=\"1726\"\u003e• Series: RSR-WZM\u003cbr data-start=\"1743\" data-end=\"1746\"\u003e• Guide Type: Recirculating Ball Linear Motion Guide\u003cbr data-start=\"1798\" data-end=\"1801\"\u003e• Block Type: Wide Type (WZM)\u003cbr data-start=\"1830\" data-end=\"1833\"\u003e• Rail Size: 12 mm\u003cbr data-start=\"1851\" data-end=\"1854\"\u003e• Rail Length: 390 mm\u003cbr data-start=\"1875\" data-end=\"1878\"\u003e• Block Height (M): 14 mm\u003cbr data-start=\"1903\" data-end=\"1906\"\u003e• Block Width (W): 40 mm\u003cbr data-start=\"1930\" data-end=\"1933\"\u003e• Block Length (L): 44.5 mm\u003cbr data-start=\"1960\" data-end=\"1963\"\u003e• Mounting Hole Thread: M3 × 3.6 mm\u003cbr data-start=\"1998\" data-end=\"2001\"\u003e• Mounting Hole Spacing (B × C): 28 × 15 mm\u003cbr data-start=\"2044\" data-end=\"2047\"\u003e• Seal Configuration: UU (Double End Seals)\u003cbr data-start=\"2090\" data-end=\"2093\"\u003e• Material: Stainless Steel LM Block, Rail, and Balls (M designation)\u003cbr data-start=\"2162\" data-end=\"2165\"\u003e• Rolling Element: Precision Recirculating Steel Balls\u003cbr data-start=\"2219\" data-end=\"2222\"\u003e• Four-Way Equal Load Design\u003cbr data-start=\"2250\" data-end=\"2253\"\u003e• High Positioning Accuracy\u003cbr data-start=\"2280\" data-end=\"2283\"\u003e• Low Friction Operation\u003cbr data-start=\"2307\" data-end=\"2310\"\u003e• High Rigidity Wide-Block Configuration\u003cbr data-start=\"2350\" data-end=\"2353\"\u003e• Corrosion-Resistant Construction\u003cbr data-start=\"2387\" data-end=\"2390\"\u003e• Grease Lubrication Compatible\u003cbr data-start=\"2421\" data-end=\"2424\"\u003e• Suitable for High-Speed Precision Linear Motion\u003cbr data-start=\"2473\" data-end=\"2476\"\u003e• Infinite Stroke via Ball Recirculation \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2556\" data-end=\"2580\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2582\" data-end=\"2686\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• THK RSR12WVMUU390LM\u003cbr data-start=\"2603\" data-end=\"2606\"\u003e• THK RSR12WNUU390LM\u003cbr data-start=\"2626\" data-end=\"2629\"\u003e• THK SRS12WMUU390L\u003c\/p\u003e","brand":"THK","offers":[{"title":"New","offer_id":51713985347886,"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_6ee09725-d1ca-401e-8091-d635db01b38a.jpg?v=1770412994","url":"https:\/\/plgautomation.com\/products\/thk-rsr12wzmuu390lm-linear-guide-block-rail-assembly","provider":"PLG Automation ","version":"1.0","type":"link"}