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valve gearbox / worm / orthogonal / high-efficiency
valve gearbox
IW Manual

Torque: 250,000 Nm - 850,000 Nm

... range up to 850,000 Nm (626,890 lbf.ft). 21 sizes. Ratios from 40:1 to 9,600:1. - Comprehensive gear ratios with a combined selection of input reducers - High efficiency - Removable output drive ...

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Rotork plc
bevel gearbox / orthogonal / multi-turn / for valves
bevel gearbox

Torque: 30,000 Nm - 70,000 Nm

Complete range of ductile iron multi-turn bevel gearboxes suitable for the most demanding manual and motorized applications. Suitable for cast and fabricated sluice gates, gate valves, globe and pinch valves. Torque ...

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Rotork plc
multi-turn gearbox / bevel / orthogonal / for heavy loads
multi-turn gearbox

Heavy-duty stainless steel 316 housing multi-turn gearboxes suitable for the most demanding manual and motorized applications. Suitable for cast and fabricated sluice gates, gate valves, globe and pinch valves. Torque ...

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Rotork plc
spur gearhead / coaxial / high-efficiency / for DC motors
spur gearhead
B16

Torque: 0.12 Nm

B16 A combination of our B16 spur gearheads with our brush DC coreless motors provides a single, factory-integrated solution for demanding, high-efficiency applications. Due to its spur compound geartrain arrangement, ...

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Portescap
planetary gearhead / coaxial / high-power / low-noise
planetary gearhead
BA16

BA16 Our BA16 gearhead is a hybrid technology of parallel geartrain and planetary arrangement which results in higher power density and optimized efficiency available in smaller package. Also due to its inherent design, ...

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Portescap
spur gearhead / coaxial / high-efficiency / for DC motors
spur gearhead
K24

Torque: 0.17 Nm

K24 The combination of our K24 spur gearheads with our brush DC coreless motors provides a single, factory-integrated solution for demanding, high-efficiency applications. Due to its spur compound geartrain arrangement, ...

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Portescap
crawler carrier gear reducer / planetary / right-angle / high-performance
crawler carrier gear reducer
FP series O/K

Torque: 100,000 Nm - 900,000 Nm

Final Drives - Angular Input Standard features Compact structure High performance 3-7 Planetary wheels per stage Notchless ground tooth root Different ratios Integrated disc-brake High availability by highest teeth and production quality

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Bonfiglioli
wheel and track drive gear reducer / planetary / coaxial / high-performance
wheel and track drive gear reducer
F series - Wheel Drives

Torque: 5,000 Nm - 2,916,000 Nm

The F Series are perfectly suitable with any crawler and milling machines. Thanks to compact, rugged design, high torque and load capabilities, and optional mechanical lifetime seals, these solutions are the best possible option for the ...

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Bonfiglioli
winch gear reducer / planetary / coaxial / compact
winch gear reducer
FW series

Torque: 5,400 Nm - 210,000 Nm

The planetary winch gearboxes of the FW Series are suitable for a large spectrum of winch application thanks to the availability of a wide torque range. The compact design allows the gearbox to be integrated ...

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Bonfiglioli
bevel gear reducer / helical / orthogonal / high-precision
bevel gear reducer
MAXXDRIVE

Torque: 15,000 Nm - 250,000 Nm
Power: 1.5 kW - 1,500 kW

... Our MAXXDRIVE helical bevel gear units are available in 2- and 3-stage versions. The gear wheels are made from high quality steel alloys and are case hardened. Why MAXXDRIVE helical bevel gear ...

helical gear reducer / parallel-shaft / high-torque / two-stage
helical gear reducer
MAXXDRIVE

Torque: 15,000 Nm - 250,000 Nm
Power: 1.5 kW - 4,000 kW

... capacities. The helical gear units can therefore easily withstand the harsh conditions of use on the conveyor belt. What are the advantages of MAXXDRIVE helical gear units? Performance MAXXDRIVE industrial ...

helical gear reducer / for screw conveyors
helical gear reducer
FRP680

Torque: 20 Nm - 37 Nm
Rotational speed: max 1400.0 rpm
Power: max 1.5 kW

The FRP680 helical gearbox is expressly designed to drive the linear-feeder systems in the poultry sector and provides a wide choice of fixings according to the various systems adopted. SIZES1 REDUCTION STAGES1 MAX ...

planetary gear reducer / coaxial / low-backlash / single-stage
planetary gear reducer
RG series

Torque: 12 Nm - 480 Nm
Rotational speed: 2,600 rpm - 6,000 rpm

... Series manufactured by Varvel is a low-backlash planetary reducer that was specifically developed for two and three stages. They have hardened and tempered steel casing and broached internal gear. They ...

planetary gear reducer / coaxial / low-backlash / high-torque
planetary gear reducer
GSD series

Torque: 17 Nm - 683 Nm
Rotational speed: 300 rpm

Its short design makes the GSD line the ideal high-end gearbox for space restricted applications. The output flange for robotics produces highest torsional rigidity. The low standard backlash of the GSD line makes it ...

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Framo Morat
planetary gear reducer / coaxial / precision / low-backlash
planetary gear reducer
GSB series

Torque: 15 Nm - 1,266 Nm
Rotational speed: 3,000 rpm - 10,000 rpm

... high performance in combination with low backlash and high precision. Helical gears ensure a minimum noise level and smooth running. The robust, one-piece housing improves the gear rigidity and enables ...

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Framo Morat
planetary gear reducer / helical / orthogonal / precision
planetary gear reducer
GSBL series

Torque: 15 Nm - 1,266 Nm
Rotational speed: 3,000 rpm - 10,000 rpm

Just like the GSB line, the GSBL line combines high performance with low backlash and high precision. Helical gears ensure a minimum noise level and smooth running. The right angle shape makes the GSBL line the perfect ...

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Framo Morat
worm gear reducer / orthogonal / high-performance / with flange
worm gear reducer
TD series

Torque: 700 Nm - 47,000 Nm

High performance worms using a drum-shaped troidal worm provides high transfer capacity and high efficiency. Two mounting styles are available: foot mount and on-shaft flange mount. Ensures ultimate compactness and weight saving for all layouts.

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Tsubakimoto Chain
worm gear reducer / cylindrical / orthogonal / high-performance
worm gear reducer
EWJ, EWJM series

Torque: 12 Nm - 300 Nm

Redesigned to achieve further energy savings through improved performance and efficiency, easier to use due to the case integrated with the foot and a center distance in just mm dimensions. Features Employ dedicated cases which can ...

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Tsubakimoto Chain
worm gear reducer / orthogonal / with flange / transmission
worm gear reducer
SWJ, SWJM series

Torque: 12 Nm - 300 Nm

Remodeled for further energy savings through increased performance and efficiency. Also compatible with flange mount on both sides. Motor type has a wide range of options. Features Employ dedicated cases which can be installed ...

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Tsubakimoto Chain
helical gear reducer / parallel-shaft / precision / for belt and chain transmissions
helical gear reducer
Poulibloc 2000

Torque: 820 Nm - 13,000 Nm
Power: 0.25 kW - 55 kW

Poulibloc are helical geared motors that feature parallel output and are suitable for normal environments. They exemplify dual lipseals on treated ground surface and boast the precision and rigidity of ribbed cast iron frames. Furthermore, ...

helical gear reducer / parallel-shaft / hollow-shaft / for shafts
helical gear reducer
Poulibloc - ATEX zone 21

Torque: 100 Nm - 10,000 Nm
Power: 0.25 kW - 55 kW

These hollow shaft geared motors with taper bush are designed to operate in potentially explosive dust atmospheres (ATEX zone 21 certified). These geared motors use a shaft mounting that is adaptable to all environments and a ribbed cast ...

helical gear reducer / parallel-shaft / hollow-shaft / for shafts
helical gear reducer
Poulibloc - ATEX zone 22

Torque: 100 Nm - 10,000 Nm
Power: 0.25 kW - 55 kW

The Poulibloc ATEX zone 22 is designed specifically for use in environments with potentially explosive dust. The model is a hollow shaft geared motor with a tapered bush system, that may be mounted in various areas. Its ribbed cast ...

gear reducer
gear reducer
ePrAX®

Plug and work! This product is compact and tubeless, with Precise 5 μm positioning accuracy, that is Fast up to 230 mm per sec. The new HOERBIGER ePrAX drive blends electric and hydraulic systems in an entirely new concept. The electrohydraulic ...

gear reducer
gear reducer

Having fitted more that 65,000 CNC press brakes with hydraulic systems throughout the decades, HOERBIGER has again proved their capability through their advanced hydraulic drives. Boasting of an advanced technology in metal forming, ...

planetary gearhead
planetary gearhead

Torque: 0 Nm - 32 Nm

Gearheads FAULHABER developes high performance modular gearheads to complement each of its motor technologies. From high torque planetary technology in a variety materials, to zero backlash spur gears, ...

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FAULHABER
planetary gear reducer / coaxial / low-backlash / compact
planetary gear reducer
26/1R 32/3R

Torque: 4 Nm - 8 Nm
Rotational speed: 9,000, 8,000 rpm

... Series R metal planetary gearhead portfolio beyond the existing 20/1R by introducing the new 26/1R and 32/3R Series gearheads. These new products with 26 mm and 32 mm diameter represent the evolution of previous 26/1 ...

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FAULHABER
planetary gear reducer / coaxial / precision / high-torque
planetary gear reducer
3.33 - 23 014 :1

Torque: 0 Nm - 0.45 Nm

Planetary Gearheads Their robust construction make the planetary gearheads, in combination with FAULHABER DC-Micromotors, ideal for high torque, high performance applications. For applications requiring medium to high ...

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FAULHABER
planetary gear reducer / coaxial / stainless steel / for harsh environments
planetary gear reducer
AquaTRUE™

Torque: 876 Nm

... stainless steel housing that reduces opportunities for rusting and corroding, and without outer joints for bacteria to stay. This gearhead is built with IP66/IP67 and IP69K protection enabling it to manage corrosive cleaning ...

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Thomson Industries, Inc.
planetary gear reducer / coaxial / precision
planetary gear reducer
XTRUE™

Torque: 876 Nm

The XTRUE™ Series is a recently released precision gearhead, which is a compliment to the Micron® True Planetary™ Gearheads line. Featuring superior load capacity, as well as a flexible mounting system, simple to drop-in ...

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Thomson Industries, Inc.
planetary gear reducer / helical / coaxial / precision
planetary gear reducer
ValueTRUE™

Torque: 2,969, 2,800 Nm

True Planetary® gearhead was strongly built with a stainless steel enclosure best suitable for harsh ambient operations. It is economically priced with 30% less than the normal market price. Also, it's equipped with a ...

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Thomson Industries, Inc.
planetary gear reducer / coaxial / precision / for shafts
planetary gear reducer
GP 4 series

Torque: 0.002 Nm - 0.015 Nm

Precision spur- and planetary gearheads matched to maxon motors. Gears are advantageously adapted directly to the desired motors in the delivery plant. The motor pinion is the input gearweel for the first ...

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maxon motor
planetary gear reducer / coaxial / low-noise / high-power
planetary gear reducer
GPX 8 series

Torque: 0.008 Nm - 0.1 Nm

maxon GPX gearheads combine extremely high power transmission with a very short construction. High torques and speeds, low noise and backlash… the maxon GPX 08 has virtually every quality that could be required of a gearhead. ...

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maxon motor
planetary gear reducer / coaxial / high-power / modular
planetary gear reducer
GPX 12 series

Torque: 0.08 Nm - 0.17 Nm

maxon GPX gearheads combine extremely high power transmission with a very short construction. The modular design provides the basis for a customer-specific solution. The use of metal components makes a wide range of applications ...

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maxon motor
helical gear reducer / orthogonal
helical gear reducer
Sprayers

Torque: 199 Nm - 976 Nm
Rotational speed: 540 rpm
Power: 11 kW - 55 kW

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BONDIOLI & PAVESI
helical gear reducer / orthogonal
helical gear reducer
P.T.O. powered generators

Rotational speed: 1,500 rpm - 3,000 rpm
Power: 10 kW - 90 kW

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BONDIOLI & PAVESI
helical gear reducer / orthogonal
helical gear reducer

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BONDIOLI & PAVESI
parallel-shaft gear reducer / for pumps
parallel-shaft gear reducer

Torque: 780 Nm - 2,712 Nm
Power: 135 kW - 950 kW

... room for doubt at all. With their modular design, the company is able to deliver more than 5,000 configurations of torque, gear ratios, horsepower, hydraulic pump adapters, mounting options, and more options with their ...

planetary gear reducer / parallel-shaft / for vehicles / for conveyors
planetary gear reducer

Torque: 8,135 Nm - 162,696 Nm
Rotational speed: 2,800 rpm - 4,000 rpm
Power: 27 kW - 168 kW

... ratios of input gear deduction sets which are associated with the merging of the center section planetary gears allowing the reducer, swing and track drive applications be accommodated ...

bevel gear reducer / helical / orthogonal / industrial
bevel gear reducer

Torque: 3,100 Nm - 1,400,000 Nm

The Bevel Helical Gear Unit is an optimized solutions for the task in the future. This series requires more flexibility, high quality performance and standardization when it comes to the industries of handling materials, ...

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Flender GmbH A Siemens Company
planetary gear reducer / coaxial / transmission
planetary gear reducer
SIP® series

Torque: 10,000 Nm - 80,000 Nm

The FLENDER SIP planetary gear unit offers a wide variety of high-endurance and reliable gear unit quick fixes in fine accruals with great variety and numerous options. The line brings the manufacturers ...

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Flender GmbH A Siemens Company
planetary gear reducer / coaxial / transmission
planetary gear reducer
PLANUREX® 2 series

Torque: 117,000 Nm - 2,600,000 Nm

The Siemens FLENDER planetary gear unit series offers a range of standardized gear unit solutions that offer higher power rating ranges. The unit is offered in 27 sizes and seven models. The PLANUREX ...

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Flender GmbH A Siemens Company
planetary gearbox / coaxial / compact / transmission
planetary gearbox
serie E

Torque: 1,000 Nm

... century, enhancing it with substantial technological innovations: overhung pins, reduction stages with four planetary gears, ground gears with optimized profile. Brevini Power Transmission has designed ...

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Brevini Power Transmission
planetary gearbox / right-angle / compact / modular
planetary gearbox

Torque: 0.9 Nm - 2,380 Nm

... modular design planetary gearboxes for industrial applications. It combines high performance with low cost and compact size, excellent reliability, simple installation and reduced maintenance. Brevini’s industrial planetary ...

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Brevini Power Transmission
planetary gear reducer / coaxial / high-torque / high-torque
planetary gear reducer
S series

Torque: 34,000 Nm - 2,500,000 Nm

Brevini "S Series" gear units are the ideal choice for applications, either fixed industrial or self-propelled machines, in need of high torque and minimum dimensions. In comparison to conventional gear ...

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Brevini Power Transmission
planetary gearbox / coaxial / high-precision / for servo motors
planetary gearbox
MPR/MPG

The combination of Vogel MPR and MPG planetary gearbox and Lenze servo motor is the optimum solution for dynamic or highly dynamic applications which require maximum precision. These include the tasks that apply on a ...

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Lenze SE
helical gearbox / coaxial / low-backlash / two-stage
helical gearbox
g500-H

Torque: 14,000 Nm

Robustness and accuracy in the application. The robust helical gearboxes are characterised by high permissible radial forces, closely stepped speed reduction ratios and a low backlash. They are available in a 2- and ...

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Lenze SE
shaft-mounted gearbox / helical / parallel-shaft / low-backlash
shaft-mounted gearbox
g500-S

Torque: 19,000 Nm

Efficiency and slimline design in the application. The slimline shaft-mounted helical gearboxes are characterised by high permissible radial forces, closely stepped ratios and a low backlash. They are available in a ...

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Lenze SE
shaft gear reducer
shaft gear reducer
BHS

Power: 500 kW - 55,000 kW

... BHS integral gear unit is the central component in turbo gear unit compressors. These compressors generate up to 250 bar of pressure and can reach volumetric flow rates of up to 600 000 m³/h. Voith's ...

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Voith GmbH & Co. KGaA
planetary gear reducer
planetary gear reducer
BHS

Power: 400 kW - 45,000 kW

... called ‘epicyclic’) gear units convert torque reliably and effi­ciently in turbo drive trains. Two gear unit series cover a power range from 400 kW to 45 000 kW. Gear ratios range from ...

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Voith GmbH & Co. KGaA
shaft gear reducer
shaft gear reducer

Torque: 0 Nm - 100,000 Nm
Rotational speed: 0.2 rpm - 500 rpm

... to 100 000 Nm. Customers value the rotor turning gear in a package with a BHS turbo gear unit in case of a free available shaft end. Voith's more than 40 years of experience in designing rotor turning ...

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Voith GmbH & Co. KGaA
planetary gear reducer / coaxial / compact / modular
planetary gear reducer
EPseries

Torque: 1,600 Nm - 710,000 Nm
Power: 0.18 kW - 90 kW

... accessories and non-standard designs Modular design, with multi-optional executions Very compact size and reduced mass of gearbox Benefits Easy and functional flange, foot, or shaft-mounting design High torque ...

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Rossi
planetary gear reducer / orthogonal
planetary gear reducer
EP+G series

Torque: 125,000 Nm - 710,000 Nm

Features Standard products Catalog G + EP Benefits Easy customization Interchangeability Flexibility and adaptability to specific application needs

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Rossi
worm gear reducer / orthogonal / for conveyors
worm gear reducer
SR series

Torque: 31.5 Nm - 2,200 Nm

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Rossi
bevel gear reducer / orthogonal / compact / for large parasols
bevel gear reducer
3057

Torque: 2.5 Nm

Bevel gear 3057 Compact gear for big umbrellas, dividing wall systems industrial applications. A special toothing ensures a smooth running of the gear. Ratio 1:2 Housing made of ...

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Ketterer
worm gear reducer / orthogonal / maintenance-free / compact
worm gear reducer
2010

Torque: 0.2 Nm - 15 Nm
Rotational speed: 500 rpm

The Compact worm gear reducer Model 2010 is manufactured by Ketterer. The product has compact and durable design because it is made of anodized aluminum. The steel worm and worm gear ...

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Ketterer
worm gear reducer / orthogonal / high-rigidity / transmission
worm gear reducer
4731, 4739, 4743, 4745

Torque: 2 Nm - 17 Nm

The Compact Gear is mainly designed to provide a good quality performance and functionality for very specific purposes. It is a worm gear integrated with a transmission ratio of 1:1, 2:1, 3,25:1, 4,33:1, ...

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Ketterer
planetary gear reducer / coaxial / compact
planetary gear reducer
PLG 22 series

Torque: 1, 1.5, 0.2 Nm

Compact high torque planetary gearbox Backlash reduced version available on request Low noise version available on request For projects with a minimum demand of 25 pcs.

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Dunkermotoren GmbH
planetary gear reducer / coaxial
planetary gear reducer
PLG 30 series

Torque: 0.4, 0.8, 1.8 Nm

High efficiency Ring gear and planetary gears made of specific, high grade material Planetary carriers and sun wheels made of steel Output shaft with dual sleeve bearings All stages have straight toothing

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Dunkermotoren GmbH
planetary gear reducer / coaxial
planetary gear reducer
PLG 30H series

Torque: 0.8, 1.8, 0.4 Nm

... efficiency Ring gear and planetary gears made of specific, high grade material Planetary carriers and sun wheels made of steel Output shaft with dual sleeve bearings All stages have straight toothing Quiet ...

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Dunkermotoren GmbH
worm gear reducer / high-precision / low-noise / maintenance-free
worm gear reducer
22700

Torque: 0.2 Nm - 2.1 Nm
Rotational speed: 100 rpm - 1,000 rpm

... 20 mm and 7 different ratios. The housing is sealed to prevent grease leakage and keep dust out. These are left hand worm gears. The rotation direction on the shaft is arbitrary. - smooth power transmission - simple ...

bevel gear reducer / perpendicular / high-precision / low-noise
bevel gear reducer
22712

Torque: 0.05 Nm - 10 Nm
Rotational speed: 100 rpm - 1,000 rpm

Bevel gears Material: Housing aluminium. Bevel gears steel. Version: Housing anodized. Bevel gears surface hardened. Ball bearing with rubber sealing washer RS. Note: Universally ...

worm gearbox / orthogonal / maintenance-free / solid-shaft
worm gearbox
SN 17 A

Single-stage gear with ingoing and outgoing shaft Gear Type: SN17A Mounting: Gear Foot Ausgangswelle: solid shaft Additional Data: - Ball bearings for ingoing and outgoing shaft - ...

worm gearbox / orthogonal / maintenance-free / solid-shaft
worm gearbox
SN 17 B

Single-stage gear with ingoing and outgoing shaft Gear Type: SN17B Mounting: Gear Foot Ausgangswelle: solid shaft Additional Data: - Ball bearings for ingoing and outgoing shaft - ...

planetary gearbox / right-angle / coaxial / custom
planetary gearbox

Torque: 0 Nm - 1,000,000 Nm

... flexible design offers a wide range of ratios and units can transmit jbj Techniques offer a complete selection of planetary gearboxes which include rotating shaft, rotating case, in-line and right angle output. maximum ...

coaxial gearbox / for pumps / multiple-output
coaxial gearbox
AM216 - AM481

Torque: 5,600 Nm

jbj Techniques 'AM' splitter gearboxes (or multiple PTO) are available in a number of mounting formats with various increasing and decreasing ratios. Splitter gearboxes / multiple power take-off units Maximum ...

butterfly valve gear reducer / worm / orthogonal / aluminum
butterfly valve gear reducer
1197 series

Torque: 300 Nm - 32,000 Nm

... also has ingress protection grading IP65, worm wheel type, Direct mounting on ISO 5211 mounting pad. The range of the Gearbox IP65 Ref. 1197 from DN 32 to DN 1400 for TTV butterfly valves.

butterfly valve gear reducer / worm / orthogonal / manual
butterfly valve gear reducer
1198 series

Torque: 170 Nm - 1,200 Nm

The tool is a wafer type with long neck for isolation, and an ISO 5211 mounting pad. It has between flanges ISO PN10/16 from DN32 to DN600 and ISO PN20 ANSI150 from DN 40 to DN 600 and ISO PN10 from DN 700 to DN1200. Its full crossing ...

worm gear reducer / orthogonal / manual / for butterfly valves
worm gear reducer
1193 series

The 1193 series double-offset butterfly valve is characterized by its full tightness capacity, and its wafer-based setup. It utilizes an array of flange styles in accordance to ISO PN25. This assembly is constructed with double eccentric ...

How to choose this product

gear-reducer

A gear reducer is a gearing assembly that can reduce rotational speed while increasing torque in a mechanical system, or increase speed while reducing torque (in which case it is called a multiplier).

Applications

These devices are extremely common in a wide range of mechanical transmission applications, including automobile and motorcycle transmissions, in machine tools, variable speed drives and gear motors.

Technologies

There are four basic types of gear reducer:
- Straight (or straight sprocket, with straight-cut or cylindrical teeth)
- Worm gear (worm and wheel), with straight or helical teeth
- Bevel gear, with straight or helical teeth
- Planetary (epicyclic) gear

The term helical refers to tooth profile. Helical teeth can be found on any gear type. Note that in a rotating mechanism, speed and torque are inversely proportional.

How to choose

Choice of gear reducer will depend on the speed and torque of both the input and output shafts. These data can be used to calculate the reduction ratio. Another factor is the relative orientation of the input and output shafts: coaxial, parallel, perpendicular, convergent or not.