{"product_id":"boston-gear-fc20-1-shaft-coupling","title":"Boston Gear FC20-1 Shaft Coupling","description":"\u003cdiv\u003e\u003cp\u003eBoston Gear FC20-1 Shaft Coupling is a steel FC20-series jaw-type hub with a 1 in bore and a 2 in outside diameter, offering a compact 3-11\/16 in overall length for space‑constrained power transmission. The bore carries a round profile with a 1\/4 in wide by 1\/8 in deep keyway and is secured to the shaft by a set‑screw locking arrangement using 3\/8-16 screws. The FC20-1 features a hub diameter of 1-3\/4 in, a hub length of 1-1\/8 in, and a through-bore length of 1-1\/4 in, delivering precise alignment within a robust 2 in OD package. Constructed from carbon steel, this FC20-1 hub maintains a straight jaw profile consistent with FC-series components and is designed for reliable torque transmission in industrial drives that require a keyed, clamped connection on a 1 in bore shaft. \u003c\/p\u003e\u003c\/div\u003e","brand":"Boston","offers":[{"title":"New","offer_id":51677212737838,"sku":null,"price":2465.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_6415d6e6-9bd9-4a7b-9f8e-8556e9913b40.jpg?v=1769559468","url":"https:\/\/plgautomation.com\/products\/boston-gear-fc20-1-shaft-coupling","provider":"PLG Automation ","version":"1.0","type":"link"}