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. 455-2628
Mfr. Part No.52747
€18.88
Each
units
500:1 Ovoid 50 Ncm 4mm - - 55mm 12.5mm - - -
RS Stock No. 299-0056
Mfr. Part No.389.02.11
BrandHuco
€203.67
Each
units
1:1 T 7.7 Nm 15mm - 104mm 123mm 52mm - - -
RS Stock No. 748-437
Mfr. Part No.332.31.2
BrandHuco
€32.46
Each
units
1:1 L 0.68 Nm 4mm - 30.5mm 30.5mm 18.7mm - - -
RS Stock No. 424-188
Mfr. Part No.MX6G15BA
BrandPanasonic
€99.26
Each
units
15:1 Spur 0.49 Nm 8mm - 60mm 60mm 24.5mm 83.3rpm 6 W -
RS Stock No. 336-438
Mfr. Part No.P5-G17L82
€34.69
Each
units
50:1 Ovoid 0.8 Nm 4mm - - 47.6mm 16.5mm 100rpm - -
RS Stock No. 892-9246
Mfr. Part No.R22.10.0 190
BrandPortescap
€130.91
Each
units
190:1 Planetary 2 Nm 4mm 22 mm 54mm - - 5000 (Input)rpm - -
RS Stock No. 299-0062
Mfr. Part No.390.02.11
BrandHuco
€196.26
Each
units
1:1 T 7.7 Nm 15.01mm - 4.094in 4.843in 2.047in - - -
RS Stock No. 336-416
Mfr. Part No.P5-G27L82
€37.19
Each
units
250:1 Ovoid 0.8 Nm 4mm - - 47.6mm 16.5mm 20rpm - -
RS Stock No. 748-443
Mfr. Part No.332.31.3
BrandHuco
€16.52
Each
units
1:1 L 0.11 Nm 4mm - 30.5mm 30.5mm 18.7mm 1000rpm - 500 rpm
RS Stock No. 892-9233
Mfr. Part No.R22.10.0 33,1
BrandPortescap
€98.84
Each
units
33:1 Planetary 2 Nm 4mm 22 mm 46.5mm - - 5000 (Input)rpm - -
RS Stock No. 420-5063
Mfr. Part No.203123
BrandMaxon
€363.13
Each
units
74:1 Planetary 22.5 Nm 12mm 42 mm 70mm - - - - -
RS Stock No. 332-868
Mfr. Part No.P5-G01L82
€31.51
Each
units
25:6 Ovoid 0.2 Nm 4mm - - 47.6mm 16.5mm 1200rpm - -
RS Stock No. 892-9252
Mfr. Part No.K24 0 8
BrandPortescap
€93.29
Each
units
8:1 Spur 0.7 Nm 3mm 24 mm 25.4mm - - 5000 (Input)rpm - -
RS Stock No. 420-5041
Mfr. Part No.203116
BrandMaxon
€342.69
Each
units
15:1 Planetary 11.3 Nm 12mm 42 mm 55.5mm - - - - -
RS Stock No. 424-194
Mfr. Part No.MX6G50B
BrandPanasonic
€116.84
Each
units
50:1 Spur 1.57 Nm 8mm - 60mm 60mm 24.5mm 25rpm 6 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. 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. 424-059
Mfr. Part No.MX8G10XB
BrandPanasonic
€52.99
Each
units
10:1 Spur - - - 80mm 80mm 30mm - 40 W -
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. 423-949
Mfr. Part No.MY9G5B
BrandPanasonic
€194.47
Each
units
5:1 Spur 2.25 Nm 15mm - 90mm 90mm 43mm 275rpm 60 W -