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. 424-184
Mfr. Part No.MX6G20BA
BrandPanasonic
€107.39
Each
units
20:1 Spur 0.66 Nm 8mm - 60mm 60mm 24.5mm 62.5rpm 6 W -
New
RS Stock No. 216-6608
Mfr. Part No.NMRV-P063 30,0 120*19 25 U MV
BrandMotovario
€358.10
Each
units
30:01:00 Worm 213 Nm 25mm 19 mm - - - - - -
New
RS Stock No. 216-6526
Mfr. Part No.NMRV040 40,0 105*14 18 U MV
BrandMotovario
€185.40
Each
units
40:01:00 Worm 58 Nm 18mm 14 mm - - - - - -
New
RS Stock No. 216-6494
Mfr. Part No.NMRV030 50,0 080*09 14 U MV
BrandMotovario
€160.30
Each
units
50:01:00 Worm 22 Nm 14mm 9 mm - - - - - -
RS Stock No. 624-4616
Mfr. Part No.MZ9G15B
BrandPanasonic
€216.10
Each
units
15:1 Spur 6.76 Nm 15mm - 90mm 90mm 43mm 91.66rpm 60 W -
New
RS Stock No. 216-6527
Mfr. Part No.NMRV040 40,0 140*11 18 U MV
BrandMotovario
€185.40
Each
units
40:01:00 Worm 58 Nm 18mm - - - - - - -
RS Stock No. 424-134
Mfr. Part No.MX9G15B
BrandPanasonic
€126.78
Each
units
15:1 Spur 3.23 Nm 12mm - 90mm 90mm 35mm 90rpm 40 W -
RS Stock No. 624-4622
Mfr. Part No.MZ9G50B
BrandPanasonic
€228.29
Each
units
50:1 Spur 19.6 Nm 15mm - 90mm 90mm 43mm 27.5rpm 60 W -
New
RS Stock No. 216-6511
Mfr. Part No.NMRV040 15,0 140*11 18 U MV
BrandMotovario
€185.40
Each
units
15:01 Worm 61 Nm 18mm 11 mm - - - - - -
RS Stock No. 423-945
Mfr. Part No.MY9G100B
BrandPanasonic
€236.90
Each
units
100:1 Spur 19.6 Nm 15mm - 90mm 90mm 43mm 13.75rpm 60 W -
RS Stock No. 892-9218
Mfr. Part No.R13 0 88
BrandPortescap
€130.44
Each
units
88:1 Planetary 0.5 Nm 3mm 13 mm 32.7mm - - 7500 (Input)rpm - -
New
RS Stock No. 216-6618
Mfr. Part No.NMRV-P063 60,0 200*19 25 U MV
BrandMotovario
€358.10
Each
units
60:01:00 Worm 180 Nm 25mm 19 mm - - - - - -
New
RS Stock No. 216-6609
Mfr. Part No.NMRV-P063 40,0 120*19 25 U MV
BrandMotovario
€358.10
Each
units
40:01:00 Worm 206 Nm 25mm 19 mm - - - - - -
New
RS Stock No. 216-6495
Mfr. Part No.NMRV030 50,0 090*11 14 U MV
BrandMotovario
€160.30
Each
units
50:01:00 Worm 22 Nm 14mm 11 mm - - - - - -
New
RS Stock No. 216-6573
Mfr. Part No.NMRV050 5,0 160*14 25 U MV
BrandMotovario
€242.40
Each
units
05:01 Worm 101 Nm 25mm 14 mm - - - - - -
New
RS Stock No. 216-6530
Mfr. Part No.NMRV040 5,0 105*14 18 U MV
BrandMotovario
€185.40
Each
units
05:01 Worm 52 Nm 18mm 14 mm - - - - - -
RS Stock No. 363-6337
Mfr. Part No.IP57-M2-25
€360.74
Each
units
25:1 Planetary 24 Nm 12.69mm 57 mm 66mm - - - - -
RS Stock No. 224-3568
Mfr. Part No.81037011
BrandCrouzet
€127.54
Each
units
125:1 Spur 5 Nm 8mm - 65mm 65mm 32mm - - -
New
RS Stock No. 216-6528
Mfr. Part No.NMRV040 40,0 160*14 18 U MV
BrandMotovario
€185.40
Each
units
40:01:00 Worm 58 Nm 18mm 14 mm - - - - - -
RS Stock No. 103-3968
Mfr. Part No.9GBK180BH
BrandDKM
€118.16
Each
units
180:1 - - 12mm - 90mm 90mm - - - -