Gear Racks

A gear rack is a mechanical component that forms part of a linear actuator, which transfers rotational movement into linear movement. Gear racks work in conjunction with pinions (circular gears) to create vertical and horizontal movement, for example, in lifting equipment. Both the gear rack and the pinion have teeth cut into them. Applying rotational movement to the pinion causes its teeth to interact with the teeth on the straight gear rack, creating linear movement.

In addition, gear rack rails and fixing kits offer a quick and easy installation solution, allowing gear racks to be used in a wide range of applications.

What are gear racks used for?

Gear racks are important for applications where shaft rotation is done by hand or a motor. They are also used to control valves in pipeline transport. Apart from usage in lifting mechanisms, gear racks can help directional change. They provide rigidness coupled with responsiveness for increased control, which is ideal for steering systems.

Their main advantages are:

  • Simple design
  • Significant load carrying capacity
  • Unlimited length design capabilities

Types of gear racks

Conveying systems use fixed racks, where the rack and pinion are joined with straight or helical teeth and the rack remains stationary. Extrusion systems make use of moving racks, which rotate around the gear, supported by roller mechanisms.


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Description Price Module Material Flexibility Overall Length Number of Teeth Pitch Centre Height Face Width Maximum Operating Temperature
RS Stock No. 521-7770
BrandRS PRO
MYR134.67
Each
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1 Steel Flexible 500mm 160 11mm 10mm +100°C
RS Stock No. 521-7815
BrandRS PRO
MYR256.28
Each
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1 Acetal - 500mm 160 11mm 10mm -
RS Stock No. 521-7837
BrandRS PRO
MYR694.33
Each
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1 POM Flexible 2000mm 636 0.9mm 5mm +100°C
RS Stock No. 122-3445
BrandRS PRO
MYR278.80
Each
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- Aluminium - - - - - -
RS Stock No. 876-2406
BrandRS PRO
MYR148.39
Each
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0.5 Steel - 300mm - 9.5mm 5mm -
RS Stock No. 122-3446
BrandRS PRO
MYR378.44
Each
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- Aluminium - 1000mm - - - -
RS Stock No. 182-7942
BrandRS PRO
MYR72.10
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1.5 - - 250mm - 10.5mm 12mm -
RS Stock No. 182-7861
BrandRS PRO
MYR337.04
Each
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2.0 Steel - 1000mm - 18mm 20mm -
RS Stock No. 521-7821
BrandRS PRO
MYR554.18
Each
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0.8 POM Flexible 2000mm 795 0.7mm 3.8mm +100°C
RS Stock No. 182-7854
BrandRS PRO
MYR294.64
Each
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1.0 Steel - 1000mm - 14mm 15mm -
RS Stock No. 122-3447
BrandRS PRO
MYR156.38
Each
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- Aluminium - 11.4mm - - - -
RS Stock No. 876-2425
BrandRS PRO
MYR381.71
Each
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2 Steel - 1000mm - 23mm 20mm -
RS Stock No. 182-7984
BrandRS PRO
MYR48.48
Each
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1.0 - - 250mm - 8mm 9mm -
RS Stock No. 182-7860
BrandRS PRO
MYR168.41
Each
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2.0 Steel - 500mm - 18mm 20mm -
RS Stock No. 876-2400
BrandRS PRO
MYR149.41
Each
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0.8 Steel - 300mm - 11.2mm 6mm -
RS Stock No. 182-7855
BrandRS PRO
MYR167.53
Each
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1.5 Steel - 500mm - 15.5mm 17mm -
RS Stock No. 122-3444
BrandRS PRO
MYR1,731.83
Each
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2 Plastic Flexible 2000mm - 1.1mm 8mm +100°C
RS Stock No. 182-7858
BrandRS PRO
MYR157.85
Each
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1.0 Steel - 500mm - 9mm 10mm -
RS Stock No. 876-2416
BrandRS PRO
MYR302.24
Each
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1.5 Steel - 1000mm - 18.5mm 15mm -
RS Stock No. 182-7853
BrandRS PRO
MYR147.36
Each
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1.0 Steel - 500mm - 14mm 15mm -