{"product_id":"boston-gear-gd40b-cast-iron-change-gear-12-dp-40-teeth-cast-iron","title":"Boston Gear GD40B Cast Iron Change Gear 12 DP 40 Teeth Cast Iron","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe Boston Gear GD40B is a cast iron change gear designed for machine tools. This gear allows for different cutting speeds while maintaining a constant speed input. The GD40B features a double key to secure compound steel bushings, enabling gear pairs to rotate smoothly on an intermediate shaft.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e40 teeth for variable speed control\u003c\/li\u003e\n\u003cli\u003e1 inch nominal bore for compatibility with standard machinery\u003c\/li\u003e\n\u003cli\u003eManufactured from durable cast iron for longevity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\u003cp\u003eThis change gear provides flexibility in machining applications and is ideal for generating various ratios with its tooth configuration.\u003c\/p\u003e\u003ch3\u003eProduct Information\u003c\/h3\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: Boston Gear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN\u003c\/strong\u003e: GD40B\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHub Diameter\u003c\/strong\u003e: 1.76 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Teeth\u003c\/strong\u003e: 40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTorque at 300 RPM\u003c\/strong\u003e: 492 lb\/in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Angle\u003c\/strong\u003e: 14.5 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePitch Diameter\u003c\/strong\u003e: 3.333 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore Diameter\u003c\/strong\u003e: 1 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 3.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Cast Iron\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BOSTON GEAR","offers":[{"title":"Default Title","offer_id":50435093791026,"sku":"GD40B","price":14.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/191671246.png?v=1758468965","url":"https:\/\/voomisupply.com\/products\/boston-gear-gd40b-cast-iron-change-gear-12-dp-40-teeth-cast-iron","provider":"Voomi Supply","version":"1.0","type":"link"}