Sprockets

A sprocket, also referred to as a sprocket wheel or chainwheel, is a form of toothed wheel commonly used to drive roller chains within industrial power transmission via rotation. The teeth of a sprocket are designed to slot into the links of a chain or belt, with various sizes available to accommodate for numerous chain pitch sizes. Read our sprockets guide for more in-depth information on sprockets and how to select the correct one for a chain.

Is a sprocket the same as a gear?

Sprockets differ from gears as they work independently and do not interlock. In power transmission applications such as gearboxes, drive chains and conveyer chains, sprockets transmit shaft rotation to chains and vice versa. When there is an even number of pitches in the chain, by using a sprocket with an odd number of teeth, this results in uniform wear over both the chain and sprocket teeth.

What type of sprockets are there?

Sprockets are available with several different bore types to suit a range of applications. The most common types used to drive chains and roller chains in industrial and domestic applications include:

  • Parallel
  • Pilot
  • Taper Bush
  • Through Bore

Where are sprockets used?

Sprockets are used in a wide range of industrial and domestic applications, most commonly to operate machinaery and vehicles. You are likely to find sprockets used in areas such as:

  • Bicycles or bikes
  • Motorcycles
  • Tanks
  • Farming machinery
  • Cameras

...
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Description Price To Fit British Standard Chain Type Number of Teeth Bore Type Maximum Bore Diameter Pitch Diameter Material Pulley Width Sprocket Width
RS Stock No. 137-1825
Mfr. Part No.KSR16L010101408
BrandINA
$82.70
Each
units
- 14 Parallel 16.2mm 5/8in Steel - -
RS Stock No. 183-833
BrandRS PRO
$35.39
Each
units
08B-1 27 Pilot 14mm 109.4mm Steel - 40mm
RS Stock No. 183-445
BrandRS PRO
$70.56
Each
units
12B-1 21 Taper Bush - 127.8mm Steel - -
RS Stock No. 183-120
BrandRS PRO
$81.09
Each
units
12B-1 25 Taper Bush - 152mm Steel - -
RS Stock No. 184-167
BrandRS PRO
$29.78
Each
units
08B-1 20 Taper Bush - 81.19mm Steel - -
RS Stock No. 174-1131
Mfr. Part No.KSR16-L0-12-10-15-09
BrandINA
$133.39
Each
units
- 15 - 16.2mm 91.6mm - - 18.3mm
RS Stock No. 183-697
BrandRS PRO
$15.34
Each
units
06B-1 23 Pilot 14mm 69.95mm Steel - 40mm
RS Stock No. 183-681
BrandRS PRO
$13.02
Each
units
06B-1 21 Pilot 14mm 63.91mm Steel - 40mm
RS Stock No. 184-454
BrandRS PRO
$31.80
Each
units
08B-1 21 Taper Bush - 85.22mm Steel - -
RS Stock No. 183-978
BrandRS PRO
$72.76
Each
units
08B-1 38 Taper Bush - 153.8mm Steel - -
RS Stock No. 194-7232
Mfr. Part No.KSR16-L0-12-10-20-15
BrandINA
$138.62
Each
units
- 20 Parallel 16.2mm 3/4in Steel - 18.3mm
RS Stock No. 146-5425
BrandRS PRO
$5.51
Each
units
- 10 Pilot 8mm 25.89mm Steel - 29.2mm
RS Stock No. 174-1130
Mfr. Part No.KSR16-L0-12-10-15-08
BrandINA
$111.69
Each
units
- 15 - 16.2mm 91.6mm - - 18.3mm
RS Stock No. 194-7231
Mfr. Part No.KSR16-L0-10-10-17-09
BrandINA
$112.34
Each
units
- 17 Parallel 16.2mm 5/8in Steel - 18.3mm
RS Stock No. 183-170
BrandRS PRO
$65.79
Each
units
08B-1 38 Pilot 16mm 153.8mm Steel - 40mm
RS Stock No. 184-381
BrandRS PRO
$25.69
Each
units
06B-1 28 Pilot 14mm 85.07mm Steel - 40mm
RS Stock No. 184-870
BrandRS PRO
$7.56
Each
units
06B-1 13 Pilot 10mm 39.79mm Steel - 35mm
RS Stock No. 183-237
BrandRS PRO
$19.71
Each
units
06B-1 23 Taper Bush - 69.95mm Steel - -
RS Stock No. 146-5435
BrandRS PRO
$9.09
Each
units
- 10 Pilot 10mm 41.1mm - - 45.2mm
RS Stock No. 183-962
BrandRS PRO
$53.76
Each
units
08B-1 30 Taper Bush - 121.5mm Steel - -