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helical speed reducer

“EP series” inline helical gear reducers include a HP selection of ¼-100 HP, 37-147 mm box sizes, 2:1-120:1 speed ratios and a cast iron housing for unquestioned strength and reliability. Provided in a number of NEMA C-face quill style motor input flange configurations, the “EP” series enables users to easily locate off-the-shelf NEMA motors instead of custom equipment motors with special first pinion gears. EP’s bolt hole pattern, foundation to center line elevation, output shaft diameter and usable shaft duration match the “R” series of the inline market head producing plant retrofitting a breeze.
Product Features
2:1 – 120:1 ratios (other ratios available as custom orders)
Box sizes 37 – 147
Built for high performance, high strength, and low noise
All cast iron housings for unquestioned strength and reliability
Wide variety of ratios from 2:1 to 120:1
Horsepower range from 1/4 HP to 100 HP
Gears are precision ground for better rotation and quieter operation
Gearbox flanges are created to accept NEMA C-Face electric motors
Drop-in for some major European-produced Inline reducer brands
2-year warranty
The precision planetary gear units of the EP series with floor helical gearing and preloaded dual taper roller bearings make certain low-noise synchronism due to their immense load holding capacity and rigidity even under high load conditions. The one-piece world carrier and the included needle roller bearings allow the tranny of high torques. The additional shaft sealing ring ensures maximum safety against dirt and splash water relative to protection class IP65.
The selection of a proper planetary gear for your
individual application.
Short delivery time
Small quantities available on short notice. Delivery
time for larger quantities or special requests has to be
checked individually
CAD drawings
Drawings for all series are available on request
For customized solutions we draw from a sizable range of
single components. Based on demand they may be
combined for you personally in a flexible way
EP isn’t only known because of its comprehensive manufacturing
expertise. Our customers also revere us as experienced partners in
drive technology. This experience is the foundation of our planetary gear
We place great importance on your own versatility in the configuration and
app of our planetary gears. Being faithful to your motto customer
satisfaction is always a priority.
Our high quality standards apply to every our planetary gearbox series.
These include especially high gearing quality, low backlash and long
service life.
Fast response to customer requests and constant additional development of our planetary gears is definitely our driving force.
Close grained cast iron housing and flanges
Hardened steel helical gearing for extended life
Anti-friction bearings
Double lip seals protect from oil leakage
Optional steel bolt-on base
Double bearing design on input and output shaft
EP Gear’s 800 Series contains a focused collection of compact, durable helical gear drives that provide long-existence performance and simplified maintenance. A wide range of reduction ratios match an even broader range of specifications, while a variety of insight shaft configurations maximize flexibility. In addition, the amount of products that complement this series of equipment drives make it a perfect choice for today’s commercial distributor.
The 800 Series offers a functional interchange for ep and other European manufacturers’ helical gear drives,making it uniquely practical for alternative applications.
Four basic sizes 1/6 – 10 HP
Over 40 different ratios 1.5:1 – 71:1 double-reduction ratios 36:1 – 250:1 triple-reduction ratios
Non-flanged and NEMA c-face input styles
Base-mount and result flange-mount models available
Output-shaft diameters from 3/4″ to at least one 1 5/8″
The standard NEMA C-face design will accept any standard NEMA electric motor, which makes it exceptionally versatile.
Ratios up to 70:1 in just two phases means increased performance and reduced case size.
Accessible oil seals simplify regimen product maintenance.
All units can be double sealed on both the input and output to withstand the rigors of actually the most demanding applications.
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.
Washdown duty products in white or stainless steel epoxy coatings make these equipment drives perfect for the most severe Washdown.
Right angle bevel speed reducers decrease speed and increase torque from the driver end to the driven result in a drive system. They have a beveled gear which allows the reducer to rotate in both directions and operate with low sound and vibration. They are usually made out of durable, corrosion-resistant components like stainless steel.
Wide variety of accessories and non-standard designs
Single piece casing with high structural stiffness
Easy and functional shaft-mounting design
Minimum maintenance requirements
High, reliable and tested performance
Ideal for the heaviest duties
This economical aluminum body helical speed reducer provides highly reliable power transmission for general purpose applications. These gearboxes offer cost effective operation and superior overall performance over similar products.
5 sizes with aluminum housings
Torque capacity from 200-6000 inlbs
Ratios from 2.5:1 to 600:1
Output shafts in inch or metric dimensions
Input adapters for NEMA and IEC motors
Mounting via foot, encounter or bolt-on flange
The exclusive usage of the involute helicoid thread form on the worm and gear provides for high efficiencies and lengthy service life on draglines and shovels. The hardened,floor and polished alloy steel worm develops a clean, work hardened surface area on the bronze gear. For this reason, the worm gears wear in and improve with extented service while additional gears are wearing out.
Hardened, shaved or surface helical gears
Hollow & solid output shafts
Vertical & horizontal mountings
Fan cooled (standard)
Motor mounts
Cast iron or steel housings available

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