Boston Gear | Standard 700 Series Worm Gear Speed Reducers

• 11 basic single reduction sizes
• 8 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)

• The 700 Series' large oil reservoir provides efficient heat dissipation and lubrication for longer operating life.
• Its multi-position mounting flexibility allows for installation in virtually any position.
• Housings are straddle-milled, top and bottom, for precise alignment of horizontal and vertical bases.
• Internal baffles assure positive, leak-free venting.
• The 700 Series' rugged housing, fabricated of fine-grained, gear-quality cast iron, provides maximum strength for maximum durability, as well as greater precision during worm and gear alignment.
• Boston Gear's 700 Series high-strength bronze worm gear is straddle mounted between heavy-duty tapered roller bearings to increase thrust and overhung load capacities, sizes 713-760.
• Our 700 Series' high-strength steel output shaft assures capacity for high torque and overhung loads.
• Pipe plugs allow easy fill, level, and drain in any mounting position.
• The 700 Series' super-finished oil-seal diameters on both input and output shafts extend seal life.
• Both 2D and 3D CAD drawings are available in our eCatalog.

Product Example

F713-5-B5-J
F715-10-B5-G
F715-30-B5-J
F715-50-B5-G
F715-5-J
F718-60-B5-G
F724X-5-B7-J
F726-60-B5-G
F726B-40K-B5-G1
HF721L-20K-B5-H-P16-T1
HF726-40K-B7-H1-P23
RF715X-5-B5-J

Literature

Boston Gear Catalog.pdf