{"product_id":"boston-gear-hmf2-2k-b7-b7-helical-parallel-shaft-speed-reducer","title":"Boston Gear HMF2-2K-B7-B7 Helical Parallel Shaft Speed Reducer","description":"\u003cdiv\u003e\u003cp\u003eBoston Gear HMF2-2K-B7-B7 Helical Parallel Shaft Speed Reducer is a compact gear drive that uses a parallel‑shaft arrangement of helical gears to reduce motor speed and increase output torque. This model delivers a 4:1 reduction ratio, aligning higher input speed with a lower, more controllable output for industrial drive applications. As part of the HMF helix family, the unit is designed for dependable operation in demanding environments while preserving a straightforward mounting footprint that fits standard drive configurations. The HMF2-2K-B7-B7 designation identifies a specific size and mounting interface within the family, enabling straightforward integration with compatible motors and shafts in equipment that requires a reliable, compact speed‑control solution. Helical gears generally offer smoother torque transmission and quieter operation than spur gears, which helps reduce vibration and wear in continuous‑duty drives. In parallel‑shaft configurations, the input and output shafts remain parallel and aligned, simplifying installation in space‑constrained machinery. For engineers selecting a reduction stage, the 4:1 ratio defines the relationship between input and output speeds, while the exact torque ratings, shaft diameters, flange patterns, and mounting options are detailed in the Boston Gear catalog and product literature for the HMF2‑2K‑B7‑B7 model. \u003c\/p\u003e\u003c\/div\u003e","brand":"BOSTON","offers":[{"title":"New","offer_id":51677210345774,"sku":null,"price":1378.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_1f871f61-0971-48bb-bf71-c36b18ba25b0.jpg?v=1769559433","url":"https:\/\/plgautomation.com\/products\/boston-gear-hmf2-2k-b7-b7-helical-parallel-shaft-speed-reducer","provider":"PLG Automation ","version":"1.0","type":"link"}