{"product_id":"thomson-twn8opn-super-pillow-block-linear-bearing","title":"Thomson TWN8OPN Super Pillow Block Linear Bearing","description":"\u003cdiv class=\"\" data-turn-id-container=\"request-6a59f3f6-0160-83ec-a7dc-f018225e2d4e-43\" 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-6a59f3f6-0160-83ec-a7dc-f018225e2d4e-43\" data-turn-id-container=\"request-6a59f3f6-0160-83ec-a7dc-f018225e2d4e-43\" data-testid=\"conversation-turn-194\" 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=\"5544ab59-24e8-493c-b7cd-f4cbbd933280\" 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=\"778\"\u003eThe Thomson TWN8OPN Super Ball Bushing Twin Open Pillow Block Bearing is used in precision linear motion systems to provide smooth, self-aligning linear travel on 1\/2-inch (0.500-inch) Class L continuously supported round shafts. Commonly installed in CNC machines, robotics, packaging equipment, material handling systems, semiconductor equipment, and industrial automation machinery, this open-type twin pillow block features a lightweight aluminum housing, adjustable Super Ball Bushing bearings, and a self-aligning design for accurate, low-friction linear motion. Maintenance teams and \u003ca href=\"https:\/\/plgautomation.com\/collections\/hmi-operator-interfaces\"\u003esystem integrators\u003c\/a\u003e use this part for repair, retrofit, expansion, or replacement of precision supported-shaft linear guide systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"780\" data-end=\"797\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"799\" data-end=\"1369\"\u003eThe Thomson TWN8OPN is designed for continuously supported shaft applications requiring high rigidity, smooth travel, and precise positioning. Its twin open pillow block configuration provides increased stability while allowing use on supported shafts. The adjustable, self-aligning bearing design compensates for shaft misalignment and ensures consistent performance in CNC machinery, automated assembly equipment, packaging systems, robotics, semiconductor equipment, inspection systems, and custom OEM linear motion applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1371\" data-end=\"1400\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1402\" data-end=\"2908\"\u003e• Manufacturer: Thomson Industries\u003cbr data-start=\"1435\" data-end=\"1438\"\u003e• Manufacturer Part Number (MPN): TWN8OPN\u003cbr data-start=\"1478\" data-end=\"1481\"\u003e• Product Type: Super Ball Bushing Twin Open Pillow Block Bearing\u003cbr data-start=\"1545\" data-end=\"1548\"\u003e• Series: Super Ball Bushing®\u003cbr data-start=\"1576\" data-end=\"1579\"\u003e• Bearing Style: Open\u003cbr data-start=\"1599\" data-end=\"1602\"\u003e• Pillow Block Type: Twin\u003cbr data-start=\"1626\" data-end=\"1629\"\u003e• Bearing Configuration: Twin Linear Bearing\u003cbr data-start=\"1672\" data-end=\"1675\"\u003e• Housing Material: Aluminum\u003cbr data-start=\"1702\" data-end=\"1705\"\u003e• Bearing Material: Hardened Steel with Engineered Polymer Retainers\u003cbr data-start=\"1772\" data-end=\"1775\"\u003e• Nominal Bore (ID): 0.500 in (12.70 mm)\u003cbr data-start=\"1814\" data-end=\"1817\"\u003e• Compatible Shaft Class: Class L Continuously Supported Shaft\u003cbr data-start=\"1878\" data-end=\"1881\"\u003e• Overall Length (B): 3.500 in (88.90 mm)\u003cbr data-start=\"1921\" data-end=\"1924\"\u003e• Overall Width (A): 2.000 in (50.80 mm)\u003cbr data-start=\"1963\" data-end=\"1966\"\u003e• Overall Height (H1): 1.130 in (28.70 mm)\u003cbr data-start=\"2007\" data-end=\"2010\"\u003e• Body Width (A2): 0.750 in (19.05 mm)\u003cbr data-start=\"2047\" data-end=\"2050\"\u003e• Centerline Height (G): 0.560 in (14.22 mm)\u003cbr data-start=\"2093\" data-end=\"2096\"\u003e• Mounting Hole Centers (E2): 2.500 in (63.50 mm)\u003cbr data-start=\"2144\" data-end=\"2147\"\u003e• Mounting Hole Diameter (N): 0.160 in (4.06 mm) (#6)\u003cbr data-start=\"2199\" data-end=\"2202\"\u003e• Dynamic Load Capacity: 460 lbf (2,046 N)\u003cbr data-start=\"2243\" data-end=\"2246\"\u003e• Self-Aligning: Yes\u003cbr data-start=\"2265\" data-end=\"2268\"\u003e• Adjustable: Yes\u003cbr data-start=\"2284\" data-end=\"2287\"\u003e• Number of Ball Circuits: 4\u003cbr data-start=\"2314\" data-end=\"2317\"\u003e• Maximum Operating Temperature: 185°F (85°C)\u003cbr data-start=\"2361\" data-end=\"2364\"\u003e• Weight: 0.40 lb (0.181 kg)\u003cbr data-start=\"2391\" data-end=\"2394\"\u003e• Lubrication Access: Oil Lubricant Fitting\u003cbr data-start=\"2436\" data-end=\"2439\"\u003e• Seals: Integral Double-Acting Seals (variant dependent)\u003cbr data-start=\"2495\" data-end=\"2498\"\u003e• Roll Pack: No\u003cbr data-start=\"2512\" data-end=\"2515\"\u003e• Food Grade Rated: No\u003cbr data-start=\"2536\" data-end=\"2539\"\u003e• Corrosion Resistance: Standard (Not Corrosion Resistant)\u003cbr data-start=\"2596\" data-end=\"2599\"\u003e• Features: Open design for continuously supported shafts, twin pillow block construction, self-aligning bearing plates, adjustable fit, lightweight aluminum housing, engineered polymer retainers, low-friction operation, reduced operating noise, and extended service life. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2910\" data-end=\"2934\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2936\" data-end=\"3037\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• Thomson TWN8OPN-DP\u003cbr data-start=\"2955\" data-end=\"2958\"\u003e• Thomson TWN8OPN-LL\u003cbr data-start=\"2977\" data-end=\"2980\"\u003e• Thomson TWN8OPN-LS\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":"Thomson","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51714014085422,"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_32ac8f8c-c45a-4475-9eb2-5cb1690dea72.jpg?v=1770413770","url":"https:\/\/plgautomation.com\/products\/thomson-twn8opn-super-pillow-block-linear-bearing","provider":"PLG Automation ","version":"1.0","type":"link"}