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. 183-237
BrandRS PRO
$19.71
Each
units
06B-1 23 Taper Bush - 69.95mm Steel - -
RS Stock No. 184-151
BrandRS PRO
$41.53
Each
units
06B-1 38 Taper Bush - 115.35mm 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. 137-1824
Mfr. Part No.KSR16L008101808
BrandINA
$83.04
Each
units
- 18 Parallel 16.2mm 1/2in Steel - -
RS Stock No. 184-757
BrandRS PRO
$23.60
Each
units
08B-1 20 Pilot 40mm 81.19mm Steel - 35mm
RS Stock No. 183-962
BrandRS PRO
$53.76
Each
units
08B-1 30 Taper Bush - 121.5mm Steel - -
RS Stock No. 184-072
BrandRS PRO
$21.73
Each
units
06B-1 25 Pilot 14mm 76mm Steel - 40mm
RS Stock No. 194-7237
Mfr. Part No.KSR20-L0-16-10-12-15
BrandINA
$131.31
Each
units
- 12 Parallel 20mm 1in Steel - 17.7mm
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. 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. 146-5437
BrandRS PRO
$10.13
Each
units
- 12 Pilot 10mm 49.07mm - 33mm 53mm
RS Stock No. 146-5425
BrandRS PRO
$5.51
Each
units
- 10 Pilot 8mm 25.89mm Steel - 29.2mm
RS Stock No. 183-473
BrandRS PRO
$34.64
Each
units
08B-1 28 Pilot 14mm 113.42mm Steel - 40mm
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. 184-101
BrandRS PRO
$13.12
Each
units
08B-1 13 Pilot 20mm 53.06mm Steel - 35mm
RS Stock No. 183-467
BrandRS PRO
$19.91
Each
units
08B-1 18 Pilot 12mm 73.14mm Steel - 35mm
RS Stock No. 194-7236
Mfr. Part No.KSR20-B0-16-10-10-15
BrandINA
$160.71
Each
units
- 10 Parallel 20mm 1in Steel - 31mm
RS Stock No. 781-0766
Mfr. Part No.KS3/8X10
BrandResatec
$49.64
Each
units
06B-1 15 Through Bore 14mm 45.81mm Galvanized Steel - 5.7mm
RS Stock No. 184-123
BrandRS PRO
$15.63
Each
units
06B-1 19 Taper Bush - 57.87mm Steel - -
RS Stock No. 146-5436
BrandRS PRO
$10.19
Each
units
- 11 Pilot 10mm 45.07mm - - 48.7mm