{"product_id":"boston-gear-f231d-20-b7-gear-reducer","title":"Boston Gear F231D-20-B7 Gear Reducer","description":"\u003cdiv\u003e\u003cp\u003eBoston Gear F231D-20-B7 Gear Reducer is a flanged gear reducer with a 20.03:1 reduction ratio and is designed to bolt directly to compatible Boston Gear gearmotors, enabling compact drive assemblies. It is part of the F231D family within the 200 Series Optimount Helical Gear Speed Reducers, a line known for flange-mounted configurations that pair with standard motor mounts. Under distributor cataloging, the model is identified as Boston Gear 39254, aligning with common F231D-20-B7 specifications used in engineered drive trains requiring torque multiplication in a small footprint. The 20.03:1 reduction provides substantial torque increase relative to input speed, making the unit suitable for automation or machine-tooling applications where space is limited and consistent torque delivery is essential. For exact installation details, bearing bore sizes, seal types, and efficiency ratings, refer to the official Boston Gear datasheet for F231D-20-B7 or consult an authorized distributor to confirm compatibility with your motor and load profile.\u003c\/p\u003e\u003c\/div\u003e","brand":"Boston","offers":[{"title":"New","offer_id":51677219324206,"sku":null,"price":1450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_9ffe992b-9271-4cd6-ae33-5a853ab73e1b.jpg?v=1769559587","url":"https:\/\/plgautomation.com\/products\/boston-gear-f231d-20-b7-gear-reducer","provider":"PLG Automation ","version":"1.0","type":"link"}