{"product_id":"thk-sr20-tbss-four-row-linear-bearing-block-carriage","title":"THK SR20-TBSS Four Row Linear Bearing Block Carriage","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\" class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription:\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"18\" data-end=\"663\"\u003eThe THK SR20-TBSS Linear Bearing Block Carriage is a four-row radial-type flange linear guide block designed for use with THK SR20 linear guide rails, delivering smooth, high-rigidity, and low-friction linear motion in demanding industrial applications. Commonly installed in CNC machine tools, semiconductor manufacturing equipment, robotics, packaging machinery, precision inspection systems, and automated production equipment. Maintenance teams and \u003ca href=\"https:\/\/plgautomation.com\/collections\/hmi-operator-interfaces\"\u003esystem integrators\u003c\/a\u003e use this bearing block for OEM replacement, machine repair, retrofit projects, and the construction of precision linear motion systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"665\" data-end=\"682\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"684\" data-end=\"1169\"\u003eThe THK SR20-TBSS is engineered for precision motion systems requiring high load capacity and excellent moment rigidity. Its four-row ball raceway design provides equal load support in all directions, making it ideal for factory automation equipment, pick-and-place systems, electronic assembly machines, medical devices, optical inspection equipment, material handling systems, and other applications requiring accurate, reliable linear guidance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1171\" data-end=\"1200\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1202\" data-end=\"2284\"\u003e• Manufacturer: THK\u003cbr data-start=\"1221\" data-end=\"1224\"\u003e• Part Number: SR20-TBSS\u003cbr data-start=\"1248\" data-end=\"1251\"\u003e• Product Type: Linear Bearing Block Carriage\u003cbr data-start=\"1296\" data-end=\"1299\"\u003e• Series: SR20 Full-Ball LM Guide\u003cbr data-start=\"1332\" data-end=\"1335\"\u003e• Guide Type: Radial Type Linear Motion Guide\u003cbr data-start=\"1380\" data-end=\"1383\"\u003e• Block Style: TB (Long Flange Type)\u003cbr data-start=\"1419\" data-end=\"1422\"\u003e• Bearing Design: Four-Row Ball Raceway\u003cbr data-start=\"1461\" data-end=\"1464\"\u003e• Compatible Rail Size: SR20\u003cbr data-start=\"1492\" data-end=\"1495\"\u003e• Overall Height (M): 28 mm\u003cbr data-start=\"1522\" data-end=\"1525\"\u003e• Overall Width (W): 59 mm\u003cbr data-start=\"1551\" data-end=\"1554\"\u003e• Overall Length (L): 66.2 mm\u003cbr data-start=\"1583\" data-end=\"1586\"\u003e• LM Block Width (B): 49 mm\u003cbr data-start=\"1613\" data-end=\"1616\"\u003e• Mounting Hole Spacing (C): 32 mm\u003cbr data-start=\"1650\" data-end=\"1653\"\u003e• LM Block Length (L1): 46.7 mm\u003cbr data-start=\"1684\" data-end=\"1687\"\u003e• Mounting Thread Size (T): M8\u003cbr data-start=\"1717\" data-end=\"1720\"\u003e• Grease Nipple: B-M6F\u003cbr data-start=\"1742\" data-end=\"1745\"\u003e• Seal Configuration: SS (End Seals)\u003cbr data-start=\"1781\" data-end=\"1784\"\u003e• Preload: Standard (unless otherwise specified)\u003cbr data-start=\"1832\" data-end=\"1835\"\u003e• Accuracy Grade: Normal (unless otherwise specified)\u003cbr data-start=\"1888\" data-end=\"1891\"\u003e• Material: Hardened Bearing Steel\u003cbr data-start=\"1925\" data-end=\"1928\"\u003e• Lubrication: Grease or Oil Lubrication\u003cbr data-start=\"1968\" data-end=\"1971\"\u003e• Operating Temperature: -20°C to 80°C\u003cbr data-start=\"2009\" data-end=\"2012\"\u003e• Features: Four-row equal-load ball raceway, long flange mounting design, high rigidity, smooth low-friction operation, high positioning accuracy, relubrication through grease nipple, excellent wear resistance, and long service life. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2286\" data-end=\"2310\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2312\" data-end=\"2424\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• THK SR20TBUU Linear Bearing Block\u003cbr data-start=\"2347\" data-end=\"2350\"\u003e• THK SR20SBSS Linear Bearing Block\u003cbr data-start=\"2385\" data-end=\"2388\"\u003e• THK SR20TBMSS Linear Bearing Block\u003c\/p\u003e","brand":"THK","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51713982824750,"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_6df0af28-9b6e-4a24-b86f-527419a76c44.jpg?v=1770412919","url":"https:\/\/plgautomation.com\/products\/thk-sr20-tbss-four-row-linear-bearing-block-carriage","provider":"PLG Automation ","version":"1.0","type":"link"}