Gearboxes

Gearboxes, also referred to as gearheads or gear reducers, are enclosed systems consisting of a series of integrated gears within a housing unit. Gearboxes are designed to transmit mechanical energy to operate and alter the torque and speed of a driving device, such as an electric motor. At RS Components, we have a variety of industrial gearboxes, including planetary, spur, and ovoid models from leading industry brands, including DKM, Maxon, Panasonic, Portescap, Trident Engineering and out own RS PRO brand.

How does a gearbox work?

Inside a gearbox, there is one of several different types of gears that can be found - these include bevel gears, worm gears, helical gears, spur gears, and planetary gears. These gears are mounted on to shafts and rotate on rolling element bearings.

What type of gearboxes are there?

The most common types of gearboxes are spur and planetary.

  • Spur gearboxes have straight teeth and are mounted on parallel shafts. Spur gearboxes offer a high power transmission efficiency, a constant velocity ratio and have no slip.
  • Planetary gearboxes have the input shaft and output shaft aligned. They are particularly suited to high torque and low-speed applications.

How is the gear ratio defined?

The gear ratio is defined through the number of turns the output shaft will makes when the input shaft is turned once. When the gear ratio is 1:1, the torque and speed are the same. If the ratio is increased to 1:4, the torque is reduced and the maximum speed is significantly increased. If this is reversed to a ratio of 4:1, then the speed is reduced and the torque is increased.

What are gearboxes used for?

Gearboxes are used in various applications depending on the type and gear ratio. This includes machine tools, conveyor systems and elevators, as well as industrial equipment and mining industry applications. Right angle gearboxes can be utilized in rotary tables.


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Description Price Gear Ratio Gearbox Type Maximum Output Torque Shaft Diameter Diameter Overall Length Overall Width Overall Depth Maximum Speed Power Rating Continuous Output Speed
RS Stock No. 423-939
Mfr. Part No.MY9G50B
BrandPanasonic
€228.29
Each
units
50:1 Spur 19.6 Nm 15mm - 90mm 90mm 43mm 27.5rpm 60 W -
RS Stock No. 892-9211
Mfr. Part No.R16.0 5.5
BrandPortescap
€139.58
Each
units
5.5:1 Planetary 1 Nm 3mm 16 mm 26mm - - 7500 (Input)rpm - -
RS Stock No. 624-4509
Mfr. Part No.MX8G15B
BrandPanasonic
€110.97
Each
units
15:1 Spur 1.96 Nm 10mm - 80mm 80mm 30mm 90rpm 25 W -
RS Stock No. 423-961
Mfr. Part No.MY9G200B
BrandPanasonic
€236.90
Each
units
200:1 Spur 19.6 Nm 15mm - 90mm 90mm 43mm 6.87rpm 60 W -
RS Stock No. 424-059
Mfr. Part No.MX8G10XB
BrandPanasonic
€52.99
Each
units
10:1 Spur - - - 80mm 80mm 30mm - 40 W -
RS Stock No. 441-5153
Mfr. Part No.GS38.0900
€85.24
Each
units
900:1 Spur 2 Nm 6mm - 38mm 38mm 26mm - - -
RS Stock No. 363-6359
Mfr. Part No.IP57-M2-100
€371.23
Each
units
100:1 Planetary 24 Nm 12.69mm 57 mm 79.75mm - - - - -
RS Stock No. 424-021
Mfr. Part No.MZ9G150B
BrandPanasonic
€236.90
Each
units
150:1 Spur 19.6 Nm 15mm - 90mm 90mm 43mm 9.16rpm 60 W -
RS Stock No. 469-0887
Mfr. Part No.110309
BrandMaxon
€58.70
Each
units
16:1 Planetary 0.015 Nm 2mm 10 mm 14.3mm - - - - -
RS Stock No. 424-049
Mfr. Part No.MX6G180B
BrandPanasonic
€116.84
Each
units
180:1 Spur 2.45 Nm 8mm - 60mm 60mm 24.5mm 6.9rpm 6 W -
RS Stock No. 336-444
Mfr. Part No.P5-G11L82
€34.69
Each
units
25:1 Ovoid 0.7 Nm 4mm - - 47.6mm 16.5mm 200rpm - -
RS Stock No. 440-543
Mfr. Part No.RG1/8.0320
€57.36
Each
units
320:1 Ovoid - 4mm - - 50mm - - - -
RS Stock No. 423-951
Mfr. Part No.MY9G150B
BrandPanasonic
€236.90
Each
units
150:1 Spur 19.6 Nm 15mm - 90mm 90mm 43mm 9.16rpm 60 W -
RS Stock No. 250-3337
Mfr. Part No.166161
BrandMaxon
€272.66
Each
units
23:1 Planetary 3.38 Nm - 32 mm - - - - - -
RS Stock No. 892-9215
Mfr. Part No.R16.0 22
BrandPortescap
€142.37
Each
units
22:1 Planetary 1 Nm 3mm 16 mm 30.1mm - - 7500 (Input)rpm - -
RS Stock No. 424-112
Mfr. Part No.MY9G3B
BrandPanasonic
€194.47
Each
units
3:1 Spur 1.37 Nm 15mm - 90mm 90mm 43mm 458.3rpm 60 W -
RS Stock No. 336-450
Mfr. Part No.P5-G06L82
€38.54
Each
units
25:2 Ovoid 0.45 Nm 4mm - - 47.6mm 16.5mm 400rpm - -
RS Stock No. 624-4565
Mfr. Part No.MX8G50B
BrandPanasonic
€129.94
Each
units
50:1 Spur 6.73 Nm 10mm - 80mm 80mm 30mm 27rpm 25 W -
RS Stock No. 624-4515
Mfr. Part No.MX8G10B
BrandPanasonic
€110.97
Each
units
10:1 Spur 1.27 Nm 10mm - 80mm 80mm 30mm 135rpm 25 W -
RS Stock No. 624-4521
Mfr. Part No.MX8G20B
BrandPanasonic
€118.66
Each
units
20:1 Spur 2.55 Nm 10mm - 80mm 80mm 30mm 67.5rpm 25 W -