Inline helical gear reducer

Inline helical gear reducer

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R series helical gear reducer has the characteristics of small size, light weight, high bearing capacity, high efficiency, long service life, convenient installation, wide motor power range and fine classification of transmission ratio.Can be widely used in equipment that needs to be decelerated in various industries. All High Torque application define the Inline Helical gear motors and inline reducers are provided with single, double and trip-reduction.

Power range:0.12—200KW

Transmission ration range:1.3—33000

Output torque(Kn.m):top to 50

Product range: Varitron Helical Gear Motor Reducers Drive features with a full range of design. High efficiency,Helical gear,Inline,motors,ac,Foot Mount.
(1)High power gear reducer equivalent to SEW
(2)Low power gear reducer including both three phase and single phase

Inline helical gear reducerInline helical gear reducer

Power: down to 0.3w, 0.12kw 0.18kw 0.25kw 0.37kw 0.55kw 0.75kw 1.1kw 1.5kw 2.2kw 3kw 4kw 5.5kw 7.5kw 9.2kw 11kw 15kw 18.5kw 22kw upto 250kw

Horse power: 0.2hp 0.25hp 0.35hp 0.5hp 0.75hp 1hp 1.5hp 2hp 3hp 4hp 5.5hp 7.5hp 10hp 12hp 15hp 20hp 25hp 30hp upto 350hp

Voltage: 3v 6v 12v 24v 48v 90v 110v 115v 120v 200v 220v 230v 380v 400v 415v 660v etc. 

1. R series helical gear reducer own rational design, compact construction, smaller size than X or B series cycloidal gearmotor at the same permitted torque.

2. Little vibration and low noise, with high transmission efficiency.

3. The products have been mainly used in chemical machinery, cement agitator machinery, printing and packaging machinery, mine and power transmission machinery, metallurgy etc.

Housing material
HT250 high-strength cast iron
Housing hardness
Gear material
20CrMnTi alloy steel
Surface hardness of gears
HRC58°~62 °
Gear core hardness
Input / Output shaft material
42CrMo alloy steel
Input / Output shaft hardness
Machining precision of gears
accurate grinding, 6~5 Grade
Lubricating oil
GB L-CKC220-460, Shell Omala220-460
Heat treatment
tempering, cementiting, quenching, etc.
94%~96% (depends on the transmission stage) 
Noise (MAX)
Temp. rise  (MAX)
Temp. rise (Oil)(MAX)
Brand of bearings
NSK,SKF or China Top brands
Brand of oil seal
CFW,NAK or other brands

R series helical gear reducer, combined with international technical requirements, has high technology content, saves space, is reliable and durable, withstands overload energy b, power up to 132Kw, low energy consumption, superior performance, reducer efficiency up to 95% Above, low vibration, low noise, high energy saving, high-quality forged steel material, steel cast iron box body, gear surface after carburizing and quenching, precision machining, ensuring shaft balance and positioning bearing requirements, forming gear rotation assembly deceleration Machine, with all kinds of motors composed of electromechanical integration, fully guarantee the quality of the product.

Inline helical gear reducerInline helical gear reducer

This series of compact, heavy-duty inline shaft helical gear reducers is available in single, double, and triple reductions. Various MODEL Input Flanges with Solid Input Shaft Couple with Motor LHF LVF MHF MVF RXHF LHD LVD MHD. We offer high precision inline gear reducers for best value. Our helical gear reducer provides reliable power transmission for general applicaton such as water treatment, food packing machine, milling, cement plant, mine conveyor.

Definition of helical geared motor:

The helical gear reducer is a novel reduction gear. Adopting the optimization, the advanced design concept of the module combination system has the characteristics of small size, light weight, large transmission torque, stable starting, fine classification of transmission ratio, etc., and can be connected according to user requirements and various installation positions. It is made of high-quality high-strength alloy steel with surface carburizing and hardening treatment. It has strong bearing capacity and durability.

Inline helical gear reducerInline helical gear reducer

Inline helical gear reducerInline helical gear reducer

  1. Helical gear reducer is manufactured in accordance with international technical requirements and has high technical content.

      2, save space, reliable and durable, with high overload capacity, power up to 132KW;

      3, low energy consumption, superior performance, the efficiency of the reducer is as high as 95% or more

  1. Low vibration, low noise and high energy saving;

      5, the selection of high-quality forged steel materials, steel cast iron box, the surface of the gear after high-frequency heat        treatment;

  1. After precision machining to ensure the parallelism of the shaft and the requirements of the positioning bearing, the reducer that forms the helical gear transmission assembly is equipped with various types of motors, which are combined into mechatronics, which fully guarantees the quality characteristics of the products.

Inline helical gear reducerInline helical gear reducer

R series gear reducer Technical data


Model Shaft Dia. Center Height Output Flange Dia. Power Ratio Permitted Torque Weight
Solid (mm)  (mm) (mm) (kw) (Nm) (KGS)
R37 25k6 90h13 120/160 0.12~0.75 5~136 150 10
R47 30k6 115h13 160/200 0.25~2.2 5~173 300 15
R57 35k6 115h13 200/250 1.18~5.5 5~173 400 21
R67 35k6 130h13 200/250 0.37~7.5 5~170 500 27
R77 40k6 140h13 250/300 0.55~11 5~192 750 35
R87 50k6 180h13 300/350 0.75~18.5 5~192 1250 65
R97 60m6 225h13 350/450 1.5~30 5~197 2400 120
R107 70m6 250h13 350/450 2.2~45 5~197 3600 165
R137 90m6 315h13 450/550 4~55 5~197 6600 255
R147 110m6 355h13 450/550 7.5~90 5~195 10700 370
R167 120m6 425h13 550/660 11~132 8~186 14800 700
R187 160m6 510h13 660/770 15~160 8~186 28000 1500
Remark: the weight without oil and motor, shaft and flange input add 10%.

Helical Gear box can modular compose with other reducers and variator, get a large reduce ratio drive and variation. Therefore it is applied to many industrial areas, such as Metallurgical mines, lifting transportation, petrochemical construction, textile, environmental, light electric, plastic machine, parking equipment and so on.

Sogears R series hard Helical helical gear reducer (gear full grinding)

product description:

The series of helical reducer is designed and manufactured on the basis of modular combination system. There are many motor combinations, installation forms and structural schemes. The transmission ratio is finely graded to meet different working conditions, realize electromechanical integration, high transmission efficiency and low energy consumption. Superior performance. The hard tooth surface gear is made of high quality alloy steel, the surface is hardened by carburizing and quenching, the grinding teeth are finely processed, the transmission is stable, the noise is low, and the bearing capacity is large. Low temperature rise and long life. Widely used in many industries, such as metallurgy, sewage treatment, chemical, pharmaceutical and other industries.

Inline helical gear reducerInline helical gear reducerInline helical gear reducer

Three: advantages

Suitable for high power

Long life design

R37-R167 compact optional model

RM series reducer specially designed for mixing equipment


Five: Product parameters:

Power: 0.18-160KW

Output torque: Up to 18000N.m

Output speed: 0.16-1028 RPM

Installation form: bottom angle installation / flange installation

Transmission efficiency: 2 (ratio: 5-24.8): 96%, 3 (ratio: 27.2-264): 94%

structure type:

R: Shaft-type foot mounting RF: Flange mounting

R...F: Foot flange mounting RM: Flange mounting with extended bearing housing

RX: Single stage foot mounting RXF: Single stage flange mounting
The main models of R series hardened helical gear reducer are:

R/RF17, R/RF27, R/RF37, R/RF47, R/RF57, R/RF67, R/RF77, R/RF87, R/RF97, R/RF107, R/RF137, R/RF147, R/ RF167

Inline helical gear reducerInline helical gear reducer

Inline helical gear reducerInline helical gear reducer

The main models of the R series hard-toothed helical gear reducer one-stage reducer are:

RX/RXF37, RX/RXF47, RX/RXF57, RX/RXF67, RX/RXF77, RX/RXF87, RX/RXF97, RX/RXF107, RX/RXF127, RX/RXF157

Inline helical gear reducer

Welcome you contact me if you are interested in our product.
Our team will support any need you might have.


1 Q:What infomation should I tell you to confirm the gear reducer?

A: Model/Size   B:Motor power   C:Output speed   D:Service factor.

2 Q: What if I don't know which gear reducer I need?
A:Don't worry, Send as much information as you can, our team will help you find the right one you are looking for.

3 Q:How long should I wait for the feedback after I send the enquiry?
A: Within 12 hours.


4 Q:What is your warrenty period for gear reducer?

A:We offer one year warrenty since the vessel departure date left China.


5 Q:What industries are your gear reducer being used?

A:Our gearboxes are widely used in the areas of cement, textile, food processing, beverage, chemical industry, escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.

6.  Q:How to delivery:

 A: By sea - Buyer appoint forwarder, or our sales team find suitable forwarder for buyers.

     By air - Buyer offer collect express account, or our sales team find suitable  express for buyers. (Mostly for sample)

     Others - We arrange to delivery goods to some place in China appointed by buyers.

 7. When you place an order, our team will confirm with you about color, package,method of payment and delivery, then a sales contract will be sent to you to confirm.

Inline helical gear reducerInline helical gear reducer


gear motor, Inline helical gear reducer

 sogears manufacturing

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