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. 420-603
BrandRS PRO
PHP1,837.81
Each
units
1:1 L - 5mm - 57.3mm 30mm 57.3mm 500rpm - -
RS Stock No. 336-270
BrandRS PRO
PHP5,169.87
Each
units
1250:1 Ovoid - 4mm - - 50mm - - - -
RS Stock No. 336-258
BrandRS PRO
PHP4,362.84
Each
units
160:1 Ovoid - 4mm - - 50mm - - - -
RS Stock No. 336-286
BrandRS PRO
PHP7,344.48
Each
units
2560:1 Ovoid - 4mm - - 50mm - - - -
RS Stock No. 440-537
BrandRS PRO
PHP3,754.68
Each
units
80:1 Ovoid - 4mm - - 50mm - - - -
RS Stock No. 336-242
BrandRS PRO
PHP3,791.64
Each
units
40:1 Ovoid - 4mm - - 50mm - - - -
RS Stock No. 336-264
BrandRS PRO
PHP4,802.42
Each
units
640:1 Ovoid - 4mm - - 50mm - - - -
RS Stock No. 718-925
Mfr. Part No.MRIG34 (500:1)
PHP11,619.51
Each
units
500:1 Spur 7 Nm - - - 56mm 41mm - - -
RS Stock No. 250-3315
Mfr. Part No.166156
BrandMaxon
PHP13,290.02
Each
units
4.8:1 Planetary 1.13 Nm - 32 mm - - - - - -
RS Stock No. 455-2628
Mfr. Part No.52747
PHP1,182.04
Each
units
500:1 Ovoid 50 Ncm 4mm - - 55mm 12.5mm - - -
RS Stock No. 892-9211
Mfr. Part No.R16.0 5.5
BrandPortescap
PHP8,108.82
Each
units
5.5:1 Planetary 1 Nm 3mm 16 mm 26mm - - 7500 (Input)rpm - -
RS Stock No. 748-443
Mfr. Part No.332.31.3
BrandHuco
PHP1,089.93
Each
units
1:1 L 0.11 Nm 4mm - 30.5mm 30.5mm 18.7mm 1000rpm - 500 rpm
RS Stock No. 423-989
Mfr. Part No.MX9G5B
BrandPanasonic
PHP8,098.51
Each
units
5:1 Spur 1.08 Nm 12mm - 90mm 90mm 35mm 270rpm 40 W -
RS Stock No. 363-6359
Mfr. Part No.IP57-M2-100
PHP23,417.81
Each
units
100:1 Planetary 24 Nm 12.69mm 57 mm 79.75mm - - - - -
RS Stock No. 718-919
Mfr. Part No.MRIG27 (250:1)
PHP11,619.51
Each
units
250:1 Spur 6 Nm - - - 56mm 41mm - - -
RS Stock No. 336-438
Mfr. Part No.P5-G17L82
PHP2,172.03
Each
units
50:1 Ovoid 0.8 Nm 4mm - - 47.6mm 16.5mm 100rpm - -
RS Stock No. 423-949
Mfr. Part No.MY9G5B
BrandPanasonic
PHP12,421.67
Each
units
5:1 Spur 2.25 Nm 15mm - 90mm 90mm 43mm 275rpm 60 W -
RS Stock No. 718-896
Mfr. Part No.MRIG22 (100:1)
PHP10,273.57
Each
units
100:1 Spur 4 Nm - - - 56mm 41mm - - -
RS Stock No. 420-5041
Mfr. Part No.203116
BrandMaxon
PHP21,292.92
Each
units
15:1 Planetary 11.3 Nm 12mm 42 mm 55.5mm - - - - -
RS Stock No. 748-437
Mfr. Part No.332.31.2
BrandHuco
PHP1,995.89
Each
units
1:1 L 0.68 Nm 4mm - 30.5mm 30.5mm 18.7mm - - -