Gear Speed Reducers

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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