Standard 700 Series Worm Gear Speed Reducers

The standard 700 Series - the heart of Boston Gear's speed reducer product line - has been serving the industry reliably for over 40 years. Its proven modular design has set the industry standard for performance and is the most imitated product in today's worm gear speed reducer market.

Key Features

11 basic single reduction sizes
Eight basic double-reduction sizes
1/6 - 25 HP
5:1 - 100:1 ratios single reduction
100:1 - 3600:1 ratios double reduction
Non-flanged, NEMA C-face quill, and coupled input styles
Projecting and hollow output shafts
Projecting diameters from 1/2" to 2-1/4"
Hollow output bore diameters from 5/8" to 3-7/16" (with over 20 bore sizes in stock)

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Standard 700 Series Worm Gear Speed Reducers

Key Features

11 basic single reduction sizes
Eight basic double-reduction sizes
1/6 - 25 HP
5:1 - 100:1 ratios single reduction
100:1 - 3600:1 ratios double reduction
Non-flanged, NEMA C-face quill, and coupled input styles
Projecting and hollow output shafts
Projecting diameters from 1/2" to 2-1/4"
Hollow output bore diameters from 5/8" to 3-7/16" (with over 20 bore sizes in stock)