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Boston Gear Reducers

Gear Speed Reducers

  • Boston Gear - Speed Reducers
  • 700 Series worm gear
  • 200 Series helical
  • 800 & 600A Series in-line helical and helical-worm gear drives
  • Right angle miter and bevel gear drives
  • Planetary ratio motor multipliers
  • White and stainless steel washdown

700 Series Features
  • 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 on request
  • Their availability via Reducer Express™, Boston Gear’s innovative guaranteed delivery program, means never having to wait.
200 Series Optimount Features
  • Superior machining affords highly accurate alignment for exceptional performance - an especially important consideration when purchasing a speed reducer for use as an integral part in OEM equipment.
  • Standard hollow output shafts allow gear drives to be connected directly to the drive train, increasing overall efficiency.
  • Optional shaft and base kits allow conversion of the reducer to a stand-alone gear drive for greater flexibility.
  • Washdown units are available in white or stainless steel epoxy coatings, both USDA certified and approved.
  • Horizontal and vertical base mounted configurations make the Optimount™ series extremely versatile.
  • Their availability via Reducer Express™, Boston Gear’s innovative guaranteed delivery program, means never having to wait.
  • CAD drawings are available on request
800 Series Features
  • Because the 800 Series is dimensionally interchangeable with many U.S. and European in-line helical gear drives, it offers maximum flexibility.
  • The standard NEMA C-face design will accept any standard NEMA motor, making it exceptionally versatile.
  • Ratios up to 70:1 in just two stages means increased efficiency and reduced case size.
  • Accessible oil seals simplify routine product maintenance.
  • 800 Series drives come pre-filled with synthetic lubrication for your specific mounting position. Sizes 3 and 4 are lubricated for life which promotes trouble-free operation.
  • An original Boston Gear design available from our ISO9002 certified speed reducer facility.
  • Washdown duty units in white or stainless steel epoxy coatings make these gear drives ideal for the most severe washdown environments.
  • CAD drawings are available on request
  • Their availability via Reducer Express™, Boston Gear’s innovative guaranteed delivery program, means never having to wait.
600 Series Features
  • A selection comprising six common sizes permits use in many different applications.
  • All Models are a more compact quill style
  • Single, double, and triple reduction models provide a wide array of ratios for increased versatility.
  • Base-mount and output-flange-mount models further increases versatility.
  • The 600 Series is assembled in Boston Gear’s ISO 9002-certified facility to ensure precise quality control.
  • Available in White BK and Stainless Steel Bost-Kleen ™ options.
  • And because the 600 Series is available through Boston Gear’s Guaranteed Same Day Shipment, your needs will be met in the timeliest way possible.
Right 90 Series Features
  • Our spiral-bevel gear drives are designed for performance that’s reliable, efficient, and as noise-free as possible.
  • Input and output shaft flanges simplify mounting and installation.
  • These gear drives can be used to either reduce or increase speed.
  • Single and double-projecting output shafts for application flexibility.
  • Ground alloy steel shafts are mounted on precision ball bearings for smooth operation.
  • Pre-lubrication designed to last for the life of the drive improves performance and reduces maintenance.
  • Boston Gear’s Guaranteed Same Day Shipment Program ensures that you get what you need when you need it.
R100/R200 Series Features
  • These spiral-bevel gear drives are designed for operation that’s as reliable as it is quiet.
  • Their shafts are heat treated and alloy-steel mounted on heavy-duty, tapered roller bearings for smoother operation.
  • Their housings are made of precision-machined cast iron to ensure accurate, permanent alignment of the gears for superior performance.
  • Double-bearing input support extends horsepower capacity and increases durability.
  • Because the R-VR Series is available through Boston Gear’s Guaranteed Same Day Shipment Program, it’s the one you can count on to be there when you need it.
R1000 Series Features
  • Straight-tooth bevel gears have teeth that are made from precision-forged alloy steel for maximum strength, as well as case hardened for increased durability.
  • Input and output shafts are constructed from ground and polished heat-treated alloy steel to further enhance the overall toughness of these drives.
  • Precision-machined, one-piece, quality cast-iron housings mean less maintenance and greater reliability.
  • For greater support and rigidity, all shafts are supported by two tapered-roller bearings, while several models offer a straddle design with the gears supported on both sides.
  • Flush-type vented-filler plugs with sintered-bronze breather inserts further reduce contamination.
  • Boston Gear’s Guaranteed Same Day Shipment Program ensures that you get what you need when you need it.

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Straight Bevel Gear Reducers

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Spiral Bevel Gear Reducers

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Helical Worm Gears

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Helical Gear Reducers

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Worm Gear Reducers

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