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. 146-5426
BrandRS PRO
$5.03
Each
units
- 11 Pilot 8mm 28.39mm Steel - 31.7mm
RS Stock No. 183-259
BrandRS PRO
$13.64
Each
units
06B-1 30 Taper Bush - 91.12mm 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. 146-5431
BrandRS PRO
$6.47
Each
units
- 11 Pilot 8mm 33.8mm - - 37mm
RS Stock No. 194-7233
Mfr. Part No.KSR20-B0-08-10-18-08
BrandINA
$108.22
Each
units
- 18 Parallel 20mm 1/2in Steel - 31mm
RS Stock No. 184-858
BrandRS PRO
$17.33
Each
units
05B-1 28 Pilot 14mm 85.07mm 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. 194-7238
Mfr. Part No.KSR25-B0-08-10-19-08
BrandINA
$165.26
Each
units
- 19 Parallel 25mm 1/2in Steel - 31mm
RS Stock No. 137-1826
Mfr. Part No.KSR16L010101708
BrandINA
$97.56
Each
units
- 17 Parallel 16.2mm 5/8in Steel - -
RS Stock No. 194-7229
Mfr. Part No.KSR16-L0-08-10-18-09
BrandINA
$93.53
Each
units
- 18 Parallel 16.2mm 1/2in Steel - 18.3mm
RS Stock No. 146-5428
BrandRS PRO
$4.65
Each
units
- 8 Pilot 8mm 24.89mm - - 28mm
RS Stock No. 183-243
BrandRS PRO
$21.51
Each
units
06B-1 25 Taper Bush - 76mm Steel - -
RS Stock No. 184-167
BrandRS PRO
$29.78
Each
units
08B-1 20 Taper Bush - 81.19mm Steel - -
RS Stock No. 194-7228
Mfr. Part No.KSR16-L0-08-10-16-22
BrandINA
$65.10
Each
units
- 16 Parallel 16.2mm 1/2in Steel - 18.3mm
RS Stock No. 184-381
BrandRS PRO
$25.69
Each
units
06B-1 28 Pilot 14mm 85.07mm Steel - 40mm
RS Stock No. 137-1824
Mfr. Part No.KSR16L008101808
BrandINA
$83.04
Each
units
- 18 Parallel 16.2mm 1/2in Steel - -
RS Stock No. 781-0772
Mfr. Part No.KS5/8X12
BrandResatec
$63.67
Each
units
08B-1 15 Through Bore 11mm 76.36mm Galvanized Steel - 9.1mm
RS Stock No. 183-956
BrandRS PRO
$36.91
Each
units
08B-1 25 Taper Bush - 101.33mm Steel - -
RS Stock No. 146-5424
BrandRS PRO
$5.53
Each
units
- 9 Pilot 6mm 23.39mm Steel - 26.6mm
RS Stock No. 137-1822
Mfr. Part No.KSR16L006102008
BrandINA
$76.47
Each
units
- 20 Parallel 16.2mm 3/8in Steel - -