{"product_id":"thk-hsr55lr1kkem-recirculating-ball-linear-bearing-block","title":"THK HSR55LR1KKEM Recirculating Ball Linear Bearing Block","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"18\" data-end=\"848\"\u003eThe THK HSR55LR1KKEM Linear Rail Bearing Block is a long-type recirculating ball linear bearing block designed for use with THK HSR55 series linear guide rails in heavy-duty, high-precision linear motion systems. The extended LR carriage provides higher load capacity and greater moment rigidity than the standard block, while the KK sealing configuration offers enhanced contamination protection and the EM grease specification ensures reliable initial lubrication. Commonly installed in CNC machining centers, industrial robots, semiconductor manufacturing equipment, heavy-duty automation systems, 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=\"850\" data-end=\"867\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"869\" data-end=\"1438\"\u003eThe THK HSR55LR1KKEM is widely used in CNC milling machines, gantry machining centers, robotic automation systems, semiconductor manufacturing equipment, packaging machinery, heavy-duty factory automation, precision measuring systems, and material handling equipment. Its long-block design provides increased load capacity, excellent rigidity, superior moment resistance, and smooth linear motion, making it ideal for applications requiring high positioning accuracy and extended service life under continuous industrial operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1440\" data-end=\"1469\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1471\" data-end=\"2516\"\u003e• Manufacturer Part Number (MPN): HSR55LR1KKEM\u003cbr data-start=\"1517\" data-end=\"1520\"\u003e• Manufacturer: THK Ltd.\u003cbr data-start=\"1544\" data-end=\"1547\"\u003e• Product Type: Linear Motion Guide Block\u003cbr data-start=\"1588\" data-end=\"1591\"\u003e• Series: HSR Global Standard LM Guide\u003cbr data-start=\"1629\" data-end=\"1632\"\u003e• Block Type: LR (Long Standard Block)\u003cbr data-start=\"1670\" data-end=\"1673\"\u003e• Guide Type: Four-Row Recirculating Ball Linear Motion Guide\u003cbr data-start=\"1734\" data-end=\"1737\"\u003e• Compatible Rail Size: 55 mm\u003cbr data-start=\"1766\" data-end=\"1769\"\u003e• Overall Height (M): 80 mm\u003cbr data-start=\"1796\" data-end=\"1799\"\u003e• Block Width (W): 100 mm\u003cbr data-start=\"1824\" data-end=\"1827\"\u003e• Overall Length (L): 201.1 mm\u003cbr data-start=\"1857\" data-end=\"1860\"\u003e• Mounting Hole Spacing (B × C): 75 × 95 mm\u003cbr data-start=\"1903\" data-end=\"1906\"\u003e• Mounting Thread: M12 × 18 mm\u003cbr data-start=\"1936\" data-end=\"1939\"\u003e• Compatible Rail Width: 53 mm\u003cbr data-start=\"1969\" data-end=\"1972\"\u003e• Rail Height: 44 mm\u003cbr data-start=\"1992\" data-end=\"1995\"\u003e• Rail Mounting Hole Pitch: 120 mm\u003cbr data-start=\"2029\" data-end=\"2032\"\u003e• Dynamic Load Rating: 148 kN\u003cbr data-start=\"2061\" data-end=\"2064\"\u003e• Static Load Rating: 194 kN\u003cbr data-start=\"2092\" data-end=\"2095\"\u003e• Grease Nipple: B-PT1\/8\u003cbr data-start=\"2119\" data-end=\"2122\"\u003e• Material: Hardened Bearing Steel\u003cbr data-start=\"2156\" data-end=\"2159\"\u003e• Seal Type: KK (Double End Seals with Side and Inner Seals)\u003cbr data-start=\"2219\" data-end=\"2222\"\u003e• Lubrication: EM Grease Factory Filled\u003cbr data-start=\"2261\" data-end=\"2264\"\u003e• Features: Long carriage design, four-way equal load capability, self-aligning construction, precision-ground raceways, high rigidity, excellent moment load capacity, low-friction operation, and long service life. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2518\" data-end=\"2542\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2544\" data-end=\"2640\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• THK HSR55LR1SS\u003cbr data-start=\"2560\" data-end=\"2563\"\u003e• THK HSR55LR1UU\u003cbr data-start=\"2579\" data-end=\"2582\"\u003e• THK HSR55LR1QZSSC0\u003c\/p\u003e","brand":"THK","offers":[{"title":"New","offer_id":51713986593070,"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_261d8372-33ee-411e-947e-6877de1aa51a.jpg?v=1770413036","url":"https:\/\/plgautomation.com\/products\/thk-hsr55lr1kkem-recirculating-ball-linear-bearing-block","provider":"PLG Automation ","version":"1.0","type":"link"}