{"product_id":"industrial-nb40a-40a15-power-transmission-assembly","title":"Industrial NB40A-40A15 Power Transmission Assembly","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"730\"\u003eThe Boston Gear NB40A with Martin 40A15 Sprocket is a power transmission assembly used to transfer rotational motion between shafts and roller chain driven equipment in industrial machinery. Commonly installed in conveyors, packaging equipment, material handling systems, and manufacturing machinery requiring synchronized motion and torque transfer. Maintenance teams and system integrators use this assembly for equipment repairs, drive system modifications, and replacement of worn gears and sprockets in industrial applications. The assembly combines a Boston Gear steel spur gear with a Martin #40 chain sprocket for versatile mechanical power transmission applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"732\" data-end=\"749\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"750\" data-end=\"1177\"\u003eThe Boston Gear NB40A assembly is commonly used in conveyor systems, packaging machinery, automated production equipment, and material handling systems where both geared and chain-driven motion transfer are required. The Martin sprocket allows compatibility with ANSI #40 roller chain while the Boston Gear component provides smooth and reliable power transmission between parallel shafts. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1179\" data-end=\"1208\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1209\" data-end=\"2221\"\u003e• Boston Gear MPN: NB40A\u003cbr data-start=\"1233\" data-end=\"1236\"\u003e• Martin Sprocket MPN: 40A15\u003cbr data-start=\"1264\" data-end=\"1267\"\u003e• Product type: Spur gear and roller chain sprocket assembly\u003cbr data-start=\"1327\" data-end=\"1330\"\u003e• Gear manufacturer: Boston Gear\u003cbr data-start=\"1362\" data-end=\"1365\"\u003e• Sprocket manufacturer: Martin Sprocket \u0026amp; Gear\u003cbr data-start=\"1412\" data-end=\"1415\"\u003e• Gear material: Steel\u003cbr data-start=\"1437\" data-end=\"1440\"\u003e• Sprocket material: Steel\u003cbr data-start=\"1466\" data-end=\"1469\"\u003e• Gear type: Spur gear\u003cbr data-start=\"1491\" data-end=\"1494\"\u003e• Sprocket type: Type A plain bore sprocket\u003cbr data-start=\"1537\" data-end=\"1540\"\u003e• Gear teeth: 40 teeth\u003cbr data-start=\"1562\" data-end=\"1565\"\u003e• Sprocket teeth: 15 teeth\u003cbr data-start=\"1591\" data-end=\"1594\"\u003e• Gear diametral pitch: 16 DP\u003cbr data-start=\"1623\" data-end=\"1626\"\u003e• Gear pressure angle: 14.5°\u003cbr data-start=\"1654\" data-end=\"1657\"\u003e• Gear bore diameter: 1\/2 in\u003cbr data-start=\"1685\" data-end=\"1688\"\u003e• Gear outside diameter: 2.625 in\u003cbr data-start=\"1721\" data-end=\"1724\"\u003e• Gear pitch diameter: 2.500 in\u003cbr data-start=\"1755\" data-end=\"1758\"\u003e• Gear face width: 1\/2 in\u003cbr data-start=\"1783\" data-end=\"1786\"\u003e• Sprocket chain size: ANSI #40 roller chain\u003cbr data-start=\"1830\" data-end=\"1833\"\u003e• Sprocket chain pitch: 1\/2 in\u003cbr data-start=\"1863\" data-end=\"1866\"\u003e• Sprocket outside diameter: 2.652 in\u003cbr data-start=\"1903\" data-end=\"1906\"\u003e• Sprocket bore size: 1\/2 in typical\u003cbr data-start=\"1942\" data-end=\"1945\"\u003e• Hub style: Plain bore without keyway or setscrew\u003cbr data-start=\"1995\" data-end=\"1998\"\u003e• Assembly application: Mechanical power transmission and motion control\u003cbr data-start=\"2070\" data-end=\"2073\"\u003e• Approximate gear weight: 0.94 lb\u003cbr data-start=\"2107\" data-end=\"2110\"\u003e• Country of origin: United States typical for original production units. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2223\" data-end=\"2247\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2248\" data-end=\"2383\"\u003e• Boston Gear NB40B Spur Gear with #40 Sprocket\u003cbr data-start=\"2295\" data-end=\"2298\"\u003e• Martin 40A15 Sprocket Assembly\u003cbr data-start=\"2330\" data-end=\"2333\"\u003e• Browning Steel Spur Gear and Sprocket Assembly\u003c\/p\u003e","brand":"PLG Automation ","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51726717485358,"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_63bc4658-bb8c-4ba9-8ae7-e2a4a83a9205.jpg?v=1770580322","url":"https:\/\/plgautomation.com\/products\/industrial-nb40a-40a15-power-transmission-assembly","provider":"PLG Automation ","version":"1.0","type":"link"}