{"product_id":"industrial-fcbb25-bronze-spider-coupling-insert","title":"Industrial Fcbb25 Bronze Spider Coupling Insert","description":"\u003cdiv\u003e\u003cp\u003eThe Boston Gear FCBB25\/XFCBB25 Bronze Spider Coupling Insert is an oil-impregnated bronze spider insert designed for FC25 jaw couplings, providing a flexible, torque-capable connection between shafts while accommodating angular and parallel misalignment in mid-range power-transmission applications. It features a 2-1\/2 inch outside diameter (FC25), a maximum operating speed of 870 RPM, and a maximum torque of 1,800 in-lb, with horsepower ratings of 2.9 hp at 100 RPM, 8.6 hp at 300 RPM, and 24.8 hp at 870 RPM, reflecting its performance across operating speeds. The insert uses Bost-Bronz as the spider material and is specified as fail-safe, with angular misalignment up to 0.5 degrees and parallel misalignment up to 0.001 inches, and a maximum operating temperature of 250°F. Designed for FC25 hubs in Boston Gear jaw couplings, this bronze spider insert delivers durable, maintenance-friendly torque transmission for compact drives where reliable coupling performance is essential.\u003c\/p\u003e\u003c\/div\u003e","brand":"BOSTON","offers":[{"title":"New","offer_id":51677197828398,"sku":null,"price":261.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_4007a9c9-3a8b-48f1-abe2-2a79858082a6.jpg?v=1769559252","url":"https:\/\/plgautomation.com\/products\/industrial-fcbb25-bronze-spider-coupling-insert","provider":"PLG Automation ","version":"1.0","type":"link"}