{"product_id":"thk-sr-25-tb-linear-motion-guide-block","title":"Thk SR-25-TB Linear Motion Guide Block","description":"\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:c1bb6e0e-55e8-4a16-a2f1-eb7caf7764a8-45\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:c1bb6e0e-55e8-4a16-a2f1-eb7caf7764a8-45\" data-turn-id-container=\"request-WEB:c1bb6e0e-55e8-4a16-a2f1-eb7caf7764a8-45\" data-testid=\"conversation-turn-92\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-15 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"c7ae4e85-d3ac-43ed-92f3-19e0cff5fa09\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"18\" data-end=\"681\"\u003eThe THK SR-25TB Linear Motion Guide Block is a flange-type radial linear bearing block designed for SR25 guide rails, providing high rigidity, excellent load capacity, and smooth linear motion for precision industrial equipment. Commonly installed in CNC machining centers, factory automation systems, semiconductor equipment, packaging machinery, robotics, and precision assembly machines where stable, accurate linear guidance is required. 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 high-performance linear motion systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"683\" data-end=\"700\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"702\" data-end=\"1157\"\u003eThe THK SR-25TB is engineered for medium- to heavy-duty linear motion applications requiring high accuracy, superior rigidity, and reliable performance. Its flange-type radial design provides excellent resistance to vertical and horizontal loads, making it suitable for industrial automation, machine tools, inspection systems, material handling equipment, electronic manufacturing, and precision positioning systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1159\" data-end=\"1188\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1190\" data-end=\"2321\"\u003e• Manufacturer: THK\u003cbr data-start=\"1209\" data-end=\"1212\"\u003e• Product Type: Linear Motion Guide Bearing Block\u003cbr data-start=\"1261\" data-end=\"1264\"\u003e• Model: SR-25TB\u003cbr data-start=\"1280\" data-end=\"1283\"\u003e• Series: SR Full-Ball LM Guide\u003cbr data-start=\"1314\" data-end=\"1317\"\u003e• Guide Type: Radial Type Linear Motion Guide\u003cbr data-start=\"1362\" data-end=\"1365\"\u003e• Compatible Rail Size: SR25\u003cbr data-start=\"1393\" data-end=\"1396\"\u003e• Block Style: TB Flange Type\u003cbr data-start=\"1425\" data-end=\"1428\"\u003e• Bearing Design: Full Ball\u003cbr data-start=\"1455\" data-end=\"1458\"\u003e• Overall Height (M): 33 mm\u003cbr data-start=\"1485\" data-end=\"1488\"\u003e• Overall Width (W): 73 mm\u003cbr data-start=\"1514\" data-end=\"1517\"\u003e• Overall Length (L): 83 mm\u003cbr data-start=\"1544\" data-end=\"1547\"\u003e• Block Width (B): 60 mm\u003cbr data-start=\"1571\" data-end=\"1574\"\u003e• Block Height (H): 35 mm\u003cbr data-start=\"1599\" data-end=\"1602\"\u003e• Block Length (L1): 59 mm\u003cbr data-start=\"1628\" data-end=\"1631\"\u003e• Mounting Thread: M6\u003cbr data-start=\"1652\" data-end=\"1655\"\u003e• Basic Dynamic Load Rating: 30.9 kN\u003cbr data-start=\"1691\" data-end=\"1694\"\u003e• Basic Static Load Rating: 44.7 kN\u003cbr data-start=\"1729\" data-end=\"1732\"\u003e• Preload Options: Normal (No Symbol), C1 (Light Preload), C0 (Medium Preload)\u003cbr data-start=\"1810\" data-end=\"1813\"\u003e• Accuracy Grades: Normal, H, P, SP, UP\u003cbr data-start=\"1852\" data-end=\"1855\"\u003e• Lubrication: Grease or Oil Lubrication\u003cbr data-start=\"1895\" data-end=\"1898\"\u003e• Standard Grease Nipple: B-M6F\u003cbr data-start=\"1929\" data-end=\"1932\"\u003e• Seal Options: None, UU, SS\u003cbr data-start=\"1960\" data-end=\"1963\"\u003e• Operating Temperature: -15°C to 80°C\u003cbr data-start=\"2001\" data-end=\"2004\"\u003e• Material: Hardened Bearing Steel\u003cbr data-start=\"2038\" data-end=\"2041\"\u003e• Features: Radial load design, flange mounting configuration, smooth low-friction motion, high rigidity, high positioning accuracy, long service life, low maintenance requirements, and compatibility with optional THK LaCS lubrication system. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2323\" data-end=\"2347\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2349\" data-end=\"2393\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• THK SR25TBM\u003cbr data-start=\"2362\" data-end=\"2365\"\u003e• THK SR25SB\u003cbr data-start=\"2377\" data-end=\"2380\"\u003e• THK SR25SBM\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"THK","offers":[{"title":"New","offer_id":51713983119662,"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_f639559d-e0b6-4c6f-bc7b-6b6fc12a6c8a.jpg?v=1770412926","url":"https:\/\/plgautomation.com\/products\/thk-sr-25-tb-linear-motion-guide-block","provider":"PLG Automation ","version":"1.0","type":"link"}