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. 441-5131
Mfr. Part No.GS38.0200
kr 497,95
Each
Units
200:1 Spur 1.8 Nm 6mm - 38mm 38mm 23.5mm - - -
RS Stock No. 336-400
Mfr. Part No.P5-G62L82
kr 382,46
Each
Units
15000:1 Ovoid 1 Nm 4mm - - 47.6mm 16.5mm 1rph - -
RS Stock No. 336-444
Mfr. Part No.P5-G11L82
kr 339,53
Each
Units
25:1 Ovoid 0.7 Nm 4mm - - 47.6mm 16.5mm 200rpm - -
RS Stock No. 336-438
Mfr. Part No.P5-G17L82
kr 318,58
Each
Units
50:1 Ovoid 0.8 Nm 4mm - - 47.6mm 16.5mm 100rpm - -
RS Stock No. 363-6315
Mfr. Part No.IP57-M1-10
kr 2 206,15
Each
Units
10:1 Planetary 12 Nm 12.69mm 57 mm 67.75mm - - - - -
RS Stock No. 892-9243
Mfr. Part No.K24 0 5
BrandPortescap
kr 1 001,99
Each
Units
5:1 Spur 0.7 Nm 3mm 24 mm 25.4mm - - 5000 (Input)rpm - -
RS Stock No. 877-7199
Mfr. Part No.2038-30:1
kr 480,35
Each
Units
30:1 Spur 0.3 Nm 6mm 38 mm 47.1mm - - - - -
RS Stock No. 363-6343
Mfr. Part No.IP57-M2-50
kr 2 855,72
Each
Units
50:1 Planetary 24 Nm 12.69mm 57 mm 79.75mm - - - - -
RS Stock No. 441-5125
Mfr. Part No.GS38.0100
kr 454,77
Each
Units
100:1 Spur 1.8 Nm 6mm - 38mm 38mm 21mm - - -
RS Stock No. 363-6309
Mfr. Part No.IP57-M1-5
kr 1 985,65
Each
Units
5:1 Planetary 12 Nm 12.69mm 57 mm 54mm - - - - -
RS Stock No. 423-951
Mfr. Part No.MY9G150B
BrandPanasonic
kr 2 361,89
Each
Units
150:1 Spur 19.6 Nm 15mm - 90mm 90mm 43mm 9.16rpm 60 W -
RS Stock No. 892-9233
Mfr. Part No.R22.10.0 33,1
BrandPortescap
kr 1 061,38
Each
Units
33:1 Planetary 2 Nm 4mm 22 mm 46.5mm - - 5000 (Input)rpm - -
RS Stock No. 892-9221
Mfr. Part No.R16.0 484
BrandPortescap
kr 1 701,65
Each
Units
484:1 Planetary 1 Nm 3mm 16 mm 38.3mm - - 7500 (Input)rpm - -
RS Stock No. 420-5041
Mfr. Part No.203116
BrandMaxon
kr 4 416,62
Each
Units
15:1 Planetary 11.3 Nm 12mm 42 mm 55.5mm - - - - -
RS Stock No. 748-443
Mfr. Part No.332.31.3
BrandHuco
kr 194,49
Each
Units
1:1 L 0.11 Nm 4mm - 30.5mm 30.5mm 18.7mm 1000rpm - 500 rpm
RS Stock No. 424-077
Mfr. Part No.MX9G50B
BrandPanasonic
kr 1 426,21
Each
Units
50:1 Spur 9.8 Nm 12mm - 90mm 90mm 35mm 27rpm 40 W -
RS Stock No. 624-4537
Mfr. Part No.MX8G100B
BrandPanasonic
kr 1 295,50
Each
Units
100:1 Spur 7.84 Nm 10mm - 80mm 80mm 30mm 13.5rpm 25 W -
RS Stock No. 323-4874
Mfr. Part No.110324
BrandMaxon
kr 826,27
Each
Units
370:1 Planetary 0.375 Nm 3mm 16 mm 26.3mm - - - - -
RS Stock No. 441-5103
Mfr. Part No.GS38.0030
kr 441,19
Each
Units
30:1 Spur 0.7 Nm 6mm - 38mm 38mm 18.5mm - - -
RS Stock No. 420-603
BrandRS PRO
kr 344,63
Each
Units
1:1 L - 5mm - 57.3mm 30mm 57.3mm 500rpm - -