Small Precison Worm Reduction Gearboxes
There are a number of specifications you will need to consider when coming up with a worm gearbox selection.
First, what's the input and output torque requirements? Next, check vendor horsepower/torque charts and pick the correct worm equipment reducer.
If the size of the gearbox will be an important consideration then check the reducer dimension specs, not all manufacturers make compact units. In fact, working with the proper supplier can help you not merely find the right equipment reducer but also prevent some of the most typical errors in reducer selection. We provide a free guide to assist you find the appropriate supplier to work with.
For low and fractional horsepower app we offer two sizes of worm equipment reducer, the SW-1 and the SW-5. Size and torque output will be the major distinctions between both of these models. Both feature either a hollow or solid result shaft. Both models are compact and offer users a wide range of ratios, including:
SW-1, 3.5:1 to 60:1
SW-5, 5:1 to 100:1
Understanding the specs of your particular application or task is vital to selecting the correct worm gearbox.
Precision, 6:1 to 100:1 ratios, torque 1 to 10 Nm and multishaft arrangements
M1, M2, M3
Metric Worm Reduction Gearboxes
Small precision with multi-shaft arrangements
• 6:1 to 100:1
• Torque 1 to 10 Nm
• Drilled and tapped installation holes at the top and bottom
• Flush fitting bearing caps simple to install
• Input shafts mounted on precision ball bearings
• Max. input speed 10000rpm
• Anti backlash version available
small worm gearbox Additional Range:
Neckar Worm Gearboxes Type S – 4 sizes available
Smallest gearbox specifications:
• 5:1 to 60:1
• Output Torque: 1.4-2 Nm
• Aluminium housig
• Special steel worm wheel
• Max. load capability of output shaft 100N radial, 50N Axial
• Max. input speed 5,000 rpm
• Weight: 0.225kg
Where are Right Angle Worm Gear Motors Used
Anywhere a concise dual shaft gear motor or single shaft gear motor is necessary. This right angle equipment motor is indeed versatile it could work just about anyplace.

Double Shaft or Single Shaft
Hollow Shaft
Maximize Torque in a little Package
Wide Gear Ratio
Cost-Effective
Compact Size
Specifications
Rated Torque: 55.3 – 700 g-cm
Rated Speed: 4710-5900 rpm
Rated Current: 240 – 5500 mA
Gear Ratios: 1:50 – 1:1050
Using miniature gears, Ever-Power provides designed and built exclusive, high precision mini gearboxes that cannot be found somewhere else. Our miniature gearboxes can be found in several configurations, which includes worm and wheel, cross axis helical, bevel, inline spur, and more. We can also provide customized micro gearboxes that were created and built to meet your unique specifications.
Contact us for the mini gearbox the application requires, or demand a quote upon a custom micro gearbox.
Micro Gearbox Options
Gearboxes are also called reducers, gear reducers, quickness reducers, gear drives, and gearmotors. All conditions can be used pretty much interchangeably. Please note that the links for our small gear drives include information on the full range of frame sizes for that series or style.
Bevel Box Micro Equipment Drive
Our bevel container miniature equipment drives are program rated for the maximum balance of functionality and cost. Torque can be balanced to meet your RPM and operating life requirements. Lightweight with low backlash efficiency (less than 1°, with choice of 1/2”).
Output torque: up to 7 oz.-inches
Low backlash: ≈1°, option of 1/2”
Rated for input speeds up to 2,000 RPM
Temperature range: -5° to 175°F (-20° to 79°C); optional to -40°F (-40°C)
Cross Axis Helical Miniature Gearbox
Ever-Power miniature cross axis helical gearboxes provide relatively high amounts of thrust in a concise package. They provide an output shaft at 90° from the input, and are obtainable in gear ratios from 1:1 to 40:1. Lightweight but durable, with machined aluminum housings and hardened alloy steel gears.
High efficiency: up to 88% at 1,000 RPM
Low backlash: only ≤30 arc minutes
Rated for input speeds up to 4,000 RPM
“Left hand” models available
Miniature 2 Shaft Worm Gearbox
Our miniature 2 shaft worm gearmotors are engineered for ≤30 arc mins of backlash or better. Also known as “shaft to bore gearboxes,” these devices provide a single insight shaft that protrudes from opposite sides of the casing; output is a keyed bore. Standard solitary- and double-end shafts are available and supplied with keys and retainer rings. An array of gear ratios and input sizes can be found to meet your needs.
High efficiency: up to 86% at 1,000 RPM
Low backlash: ≤30 arc minutes or better
Obtainable in ratios from 5:1 to 120:1
Rated for input boosts to 3,000 RPM
Miniature 4 Shaft Worm Gearbox
Every miniature 4-shaft worm gearbox from Ever-Power features precision-machined hardened metal gears, solid aluminium housings, and long lasting lubrication. They provide two input shafts on opposing sides of the framework, with two result shafts perpendicular to the input shafts. Our mini 4 shaft worm gear drives deliver high effectiveness efficiency with low backlash.
High efficiency: up to 82% at 1,000 RPM
Low backlash: as little as ≈2°
Available with equipment ratios from 1:1 to 32:1
Rated for input boosts to 4,000 RPM
Miniature Flange Worm Equipment Drive
These micro flange worm gearboxes generate an output at 90° from the input. They deliver superior efficiency in an amazing array applications and are built with little footprints, making them ideal for operations where space is limited. They offer high performance with low backlash.
Gear ratios from 6.66:1 to 80:1
High efficiency: up to 83% at 1,000 RPM
Low backlash: as low as ≤4°
Max. input speed: 3,000 PRM
DC motor option available
Miniature Inline Spur Gearbox
Specially engineered for encoder applications, Ever-Power' micro inline spur gear drives are available in two frame sizes, and so are rated for boosts to 3,000 RPM. Aluminium housings and stainless gears and shafts make these inline spur gearboxes tough and corrosion resistant, for your most demanding applications.
Result torque: up to 125 oz.-inches
Low backlash: as little as 15 arc minutes
Available with gear ratios from 4.96:1 to 3600:1
Optional synchro cleats available
Compact Wormwheel Gearbox
These miniature correct angle worm gear reducers deliver superior performance with high efficiency, and show rugged building for challenging power transfer operations. Available in three equipment ratios (5:1, 10:1, 20:1), our compact worm gearboxes are built in extremely small footprints for applications where space is bound.
90° output angle
Gear ratios: 5:1, 10:1, and 20:1
Up to 12.5 inch-lbs. of output torque
Max. input speed: 3,000 RPM
Compact footprint: 1.5” x 1.5” x 1.08”
Custom Miniature Gearbox
Ever-Power may engineer and produce a customized miniature gearbox to meet up your unique specifications. We can produce customized micro gearboxes in any configuration the application requires, with output torque amounts as high as 900Nm. We can work from your own gearbox styles, reverse engineer a preexisting unit, or assist you to develop an all-new style that delivers the performance you need. Demand a quote on a custom made miniature gearbox or e mail us to discuss your unique requirements.
The Ever-Power Advantage: Small is No Big Problem
Broadest selection of small gear reducers
Greased for life
Ruggedly built
Modifications and particular ratios available
Custom small gearboxes designed to suit

Input and result shafts with drive crucial and retainer rings can be supplied to your specifications for any of our hollow bore miniature gearboxes. We provide a basic selection of solitary ended or dual ended shafts to put together in these gearboxes. All gearbox shafts are given keys and retainer rings.
For P and PF series worm and wheel gearboxes use our P/PF gearbox shafts.
For Electronic series crossed axis helical gearboxes use our Electronic gearbox shafts.
For F series spur gearboxes, contact our software engineers to discuss your particular needs.
We provide a broad collection of misalignment shaft couplings in in . and metric bore sizes. In . and metric precision surface shafts are available from stock.
Contact Us for High Performance Miniature Gearboxes
We are the miniature gearbox professionals. All of our micro gear drive versions deliver superior efficiency in a little footprint, and are tough enough for challenging function environments. E mail us to find out more about our mini gearboxes, or ask for a quote on a customized model that's tailored to your needs.
Additional benefits of worm drive gearboxes include: