{"product_id":"thk-co-ltd-hsr55r1ss-ball-bearing-carriage","title":"THK Co., Ltd. HSR55R1SS Ball Bearing Carriage","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"18\" data-end=\"808\"\u003eThe THK HSR55R1SS (GK) Linear Rail Bearing Block is a standard-width recirculating ball linear bearing block designed for use with THK HSR55 series linear guide rails in heavy-duty, high-precision motion systems. The R-type block features a compact top-mount design with SS sealing for enhanced contamination protection, delivering smooth linear travel, four-way equal load capability, high rigidity, and excellent positioning accuracy. Commonly installed in CNC machining centers, industrial robots, semiconductor manufacturing equipment, automated production lines, and material handling systems, this bearing 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=\"810\" data-end=\"827\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"829\" data-end=\"1304\"\u003eThe THK HSR55R1SS (GK) is widely used in CNC milling machines, machining centers, gantry automation systems, robotic transfer equipment, semiconductor manufacturing machinery, packaging equipment, precision measuring systems, and heavy-duty industrial automation. Its compact top-mount configuration provides excellent rigidity, high load capacity, and reliable linear motion where precise positioning and long service life are required. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1306\" data-end=\"1335\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1337\" data-end=\"2447\"\u003e• Manufacturer Part Number (MPN): HSR55R1SS (GK)\u003cbr data-start=\"1385\" data-end=\"1388\"\u003e• Manufacturer: THK Ltd.\u003cbr data-start=\"1412\" data-end=\"1415\"\u003e• Product Type: Linear Motion Guide Bearing Block\u003cbr data-start=\"1464\" data-end=\"1467\"\u003e• Series: HSR Global Standard LM Guide (GK Series)\u003cbr data-start=\"1517\" data-end=\"1520\"\u003e• Block Type: R (Standard Top-Mount Type)\u003cbr data-start=\"1561\" data-end=\"1564\"\u003e• Guide Type: Four-Row Recirculating Ball Linear Motion Guide\u003cbr data-start=\"1625\" data-end=\"1628\"\u003e• Compatible Rail Size: 55 mm\u003cbr data-start=\"1657\" data-end=\"1660\"\u003e• Overall Height (M): 80 mm\u003cbr data-start=\"1687\" data-end=\"1690\"\u003e• Block Width (W): 100 mm\u003cbr data-start=\"1715\" data-end=\"1718\"\u003e• Overall Length (L): 163 mm (162.9 mm nominal)\u003cbr data-start=\"1765\" data-end=\"1768\"\u003e• Mounting Hole Spacing (B × C): 75 × 75 mm\u003cbr data-start=\"1811\" data-end=\"1814\"\u003e• Mounting Thread: M12 × 18 mm\u003cbr data-start=\"1844\" data-end=\"1847\"\u003e• Compatible Rail Width: 53 mm\u003cbr data-start=\"1877\" data-end=\"1880\"\u003e• Rail Height: 44 mm\u003cbr data-start=\"1900\" data-end=\"1903\"\u003e• Rail Mounting Hole Pitch: 120 mm\u003cbr data-start=\"1937\" data-end=\"1940\"\u003e• Basic Dynamic Load Rating: 121 kN\u003cbr data-start=\"1975\" data-end=\"1978\"\u003e• Basic Static Load Rating: 146 kN\u003cbr data-start=\"2012\" data-end=\"2015\"\u003e• Grease Nipple: B-PT1\/8\u003cbr data-start=\"2039\" data-end=\"2042\"\u003e• Block Weight: Approximately 4.3–4.5 kg\u003cbr data-start=\"2082\" data-end=\"2085\"\u003e• Material: Hardened Bearing Steel\u003cbr data-start=\"2119\" data-end=\"2122\"\u003e• Seal Type: SS (End Seal + Side Seal + Inner Seal)\u003cbr data-start=\"2173\" data-end=\"2176\"\u003e• Lubrication: AFB-LF Grease (Factory Filled)\u003cbr data-start=\"2221\" data-end=\"2224\"\u003e• Features: Four-way equal load design, self-aligning capability, precision-ground raceways, high rigidity, low-friction operation, interchangeable GK components, and long service life. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2449\" data-end=\"2473\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2475\" data-end=\"2581\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• THK HSR55R1UU (GK)\u003cbr data-start=\"2495\" data-end=\"2498\"\u003e• THK HSR55LR1SS (GK)\u003cbr data-start=\"2519\" data-end=\"2522\"\u003e• THK HSR55XR1SS (GK)\u003c\/p\u003e","brand":"THK","offers":[{"title":"New","offer_id":51713986560302,"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_6999f5ca-3695-46c5-abf2-b08485b6226f.jpg?v=1770413035","url":"https:\/\/plgautomation.com\/products\/thk-co-ltd-hsr55r1ss-ball-bearing-carriage","provider":"PLG Automation ","version":"1.0","type":"link"}