The Best Gearboxes, Gearheads & Speed Reducers

Looking for the best Gearboxes, Gearheads & Speed Reducers?

Discover now our comparison of the best Gearboxes, Gearheads & Speed Reducers. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Gearboxes, Gearheads & Speed Reducers are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Gearboxes, Gearheads & Speed Reducers in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1

CNCTOPBAOS NMRV040 Worm Gearbox Speed Reducer Ratio 20:1 RV40 NMRV-040 Metal Gearheads Worm Gear Reducer for Nema34 Stepper Motor Servo Motor NMRV40 (20:1)

Model: NMRV040
Input Bore Size: 14mm 0.55 inch; Output Bore Size: 18mm 0.7 inch
Speed Ratio: 20:1
Suitable motor: Input Flange Model:Nema34 ; Application:Matched with Nema34 Servo Motor/Nema34 Stepper Motor
Advantage: Smooth transmission, low noise; The multi-faceted installation;High-quality aluminum alloy enclosure, thermal performance, large carrying capacity

No. 2

CNCTOPBAOS NMRV030 Worm Gear Reducer Speed Ratio 10:1 Aluminum Alloy Square RV30 NMRV30 Worm Gearbox Speed Reducer for Nema23 Stepper Motor 11mm Input and 14mm Output Shaft

Model: NMRV030-10
Speed Ratio: 10:1
Input Bore Size: 11mm, 0.43" ; Output Bore Size:14mm, 0.55"
Input Flange Model: Nema23 ; Application: Matched with Nema23 Stepper Motor
Advantage: Smooth transmission, low noise; The multi-faceted installation;High-quality aluminum alloy enclosure, thermal performance, large carrying capacity

No. 3

5:1 Right Angle Worm Gearbox, 8 mm Shaft 90 Degree Gearbox, Drive Steering Gear Reducer, 20T Reduction Gearbox, Simple Mechanical DIY Module

The gearbox features 20 teeth, an 8mm shaft, and one input shaft that connects to one output shaft for right angle steering
Made from aluminum alloy and #45 steel, the gearbox is long-lasting
You can drive the motor using a coupling or a belt pulley system
This basic steering gear is not suitable for high torque or high-speed CNC applications
Please note that he gearbox reducer does not feature a self-locking mechanism due to its low reduction ratio

No. 4

PGFUN 20:1 Right Angle Worm Gearbox 90° Angle Drive Steering Gear Reducer 20T Reduction Gearbox Simple Mechanical DIY Module with 6/8mm Shaft (8mm)

20:1 Right Angle Worm Gearbox for Simple DIY Mechanical Application.
Specification: 20 teeth, 8mm shaft, 1 input shaft drive 1 right angle steering output shafts.
Motor drive can be realized with coupling and belt pulley gear.
Material: Aluminum alloy & #45 Steel, Overall Size: 82 x 82 x 50 mm.
Note: it's simple steering gear, can not used for high troque and high rotating speed CNC application.

No. 5

CNCTOPBAOS 8mm to 11mm Stepper Motor Shaft Sleeve 8x11mm Bore Adapter Turbine Reducer Shaft Sleeve for RV030 Worm Gear Speed Reduce RV30 NMRV030 Gearbox 0.31inch

Application: NMRV030 NMRV30 Worm Gear Reducer
Application size: Stepper motor 8 mm 0.31 inch to 11 mm 0.43 inch bore adapter
Inner diameter: 8 mm 0.31 inch; Out diameter: 11 mm 0.43 inch; Length: 20 mm 0.78 inch
Material: Steel
Turbine reducer shaft sleeve 8mm to 11mm bore adapter for worm gear reducer shaft sleeve

No. 6

Worm Gear Gearbox NMRV-030 Speed Reducer Ratio 80:1 for Stepper Motor

No. 7

PGFUN 5:1 Right Angle Worm Gearbox 90° Angle Drive Steering Gear Reducer 20T Reduction Gearbox Simple Mechanical DIY Module with 8 mm Shaft

5:1 Right Angle Worm Gearbox for Simple DIY Mechanical Application, the Gearbox Reducer Comes without Self-locking Function Due to Small Reduction Ratio.
Specification: 20 teeth, 8mm shaft, 1 input shaft drive 1 right angle steering output shaft.
Motor drive can be realized with coupling and belt pulley gear.
Material: Aluminum alloy & #45 Steel, Overall Size: 82 x 82 x 50 mm/ 3.23 x 3.23 x 1.97 inch.
Note: it's simple steering gear, can not used for high troque and high rotating speed CNC application.

SaleNo. 8

YIDOFENG NMRV040 Worm Gear Gearbox Ratio 5:1,18mm Output Shaft,RV40 NMRV-040 Metal Gearheads Worm Gear Reducer for Nema34 Stepper Motor/Servo Motor

【PARAMETER】Model: NMRV040 (small), type: worm gear, speed ratio: 5:1, input hole size: 14 mm 0.55" ,output hole size: 18mm 0.7", speed range: 5:1, input flange model: NEMA34, material of the service housing: aluminium alloy , application: Servo Motor/step motor,Color: slive.
【FEATURES】1.) The worm gear is made of ductile cast iron QT-400, which is well made and easy to carry. 2) The worm gear bar is made of 20CR round steel (carbonated and scared heat treatment, stable transmission and high efficiency), 3.) The reduction housing is made of high-quality ADC12 aluminium die-cast housing, strong sealing, small size, light weight, space-saving installation, not easy to corrode.
【HIGH QUALITY】This worm gear has the properties of waterproof and dustproof, and the structure of the protection class IP55 has a good insulating effect on dust and moisture. It also has the characteristics of large torque, low noise level, stable operation, strong adaptability, large overload and strong impact resistance.
【WIDE APPLICATIONS】 With time delay and increased torque function,It is widely used in light industry, food industry, chemical construction, machinery and equipment, textile industry, building materials, logistics, environmental protection and other fields.
【NOTES】1.) Don't hit the shell of the decelerator for gravity hammer to avoid damage. 2.) Pay regularly whether the functions of installation,sealing and transmission shafts are used normally. 3.) The temperature of the lubricating oil should be less than 85 °C. When the oil temperature changes abnormally,and the phenomenon of abnormal noise is generated, it's necessary to stop the inspection immediately. 4.) Replacement of new spare parts must be formally used after running and load test.
【AFTER SALES SERVICE】 If you get stuck, Contact us with any questions that arise. Our customer service team is always ready to assist with any questions you may have.

No. 9

YIDOFENG 8mm to 11mm Shaft Sleeve 8mm Shaft Motor to 11mm Bore Adapter for RV030 Worm Gear Speed Reduce RV30 Gearbox 0.31inc

【APPLICATION】Turbine reducer shaft sleeve 8mm to 11mm bore adapter for worm gear reducer shaft sleeve,Shaft sleeve for RV30 Worm Gear Reduce
【APPLICATION SIZE】Application size: Stepper motor Shaft sleeve 8mm to 11mm bore adapter
【PARAMETER】Inner diameter: 8mm; Out diameter: 11mm; Length: 20mm
【MATERIAL】High quality tool steel,High Temperature Resistance, High Wear Resistance, with fine workmanship and smooth surface,long service life,robustness and durability, effectively protects the turbine worm gear and body of motors
【PACKAGE INCLUDE 】1 x 8mm to 11mm Shaft Sleeve
【AFTER SALES SERVICE】 If you get stuck, Contact us with any questions that arise. Our customer service team is always ready to assist with any questions you may have.

No. 10

Nema 34 Planetary Gearbox 6:1 Gear Head Speed Reducer for Nema34 Stepper Motor, <18 Arcmin 50Nm 3000RPM Gear Head Gear Box Reducer 14mm Input Shaft Geared Reduction (Nema34 6:1)

【PREMIUM MATERIAL】The housing of this planetary gearbox is made of hard aluminum alloy, which can protect the internal parts well and ensure longer service life. It adopts multiple precision threads to fit your motor tightly and is not easy to loosen.
【PRECISE SPEED ADJUSTMENT】This nema 34 stepper motor planetary gearbox reducer has high torque. It has a reduction ratio of 6:1, so you can change your motor speed more easily. It has many speed gears, so you can adjust the right speed between 0 and 3000 rpm according to your needs.
【REMOVABLE OUTPUT SHAFT】It comes with a removable output shaft that allows you to disassemble it for care, avoiding inadequate cleaning that could cause its performance to deteriorate. It adopts an enlarged rectangular base, which increases the contact area with the plane to ensure its stability when working.
【LOW NOISE DESIGN】This planetary gearbox uses lubrication to reduce friction between parts. As a result, it operates at less than 60db, so it protects your hearing. This one-piece gearbox reducer is very easy to replace. You can easily replace a rusty or damaged gearbox on your motor with it without the help of a professional.
【WIDE APPLICATION】This nema42 planetary gearbox is is a great solution for applications that require quick stops, have shock loads, and have little space. It is mainly used to reduce the speed of the 86mm/3.4'' stepper motor, widely working on mill, lathe, bench, and bandsaw machines.
【MAIN PARAMETERS】Material: Aluminum Alloy; Input Shaft: 0.55''; Output Shaft: 0.63''; Reduction Ratio: 6:1; Body Length: 3.1''; Specified Load: 30 N.m; Maximum Load: 50 N.m; Efficiency: 95%; Return Clearance: ＜18 Arcmin; Rated Input Speed: 3000 rpm; Protection Class: IP65; Noise:＜60db; Lubrication Method: Grease; Mounting: Flange; Flange Size: 3.4 x 3.4''; Step Distance Precision: 5%; Environment Temperature:-40~50℃; Insulation Resistance: 100MOhm 500VDC; Withstand Voltage: 500V AC1Min; Insulation Grade: B.

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Last update on 2025-03-11 / Affiliate links / Images from Amazon Product Advertising API

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