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. 182-880
BrandRS PRO
£2.75
Each
Units
05B-1 13 Pilot 10mm 33.42mm Steel - 35mm
RS Stock No. 184-757
BrandRS PRO
£11.34
Each
Units
08B-1 20 Pilot 40mm 81.19mm Steel - 35mm
RS Stock No. 183-136
BrandRS PRO
£3.11
Each
Units
05B-1 14 Pilot 12mm 42.8mm Steel - 35mm
RS Stock No. 183-265
BrandRS PRO
£8.82
Each
Units
08B-1 17 Taper Bush - 69.11mm Steel - -
RS Stock No. 184-870
BrandRS PRO
£3.11
Each
Units
06B-1 13 Pilot 10mm 39.79mm Steel - 35mm
RS Stock No. 184-886
BrandRS PRO
£3.55
Each
Units
06B-1 15 Pilot 10mm 45.81mm Steel - 35mm
RS Stock No. 183-142
BrandRS PRO
£3.35
Each
Units
05B-1 15 Pilot 12mm 45.81mm Steel - 35mm
RS Stock No. 183-271
BrandRS PRO
£6.19
Each
Units
06B-1 20 Taper Bush - 60.89mm Steel - -
RS Stock No. 184-044
BrandRS PRO
£5.89
Each
Units
08B-1 14 Pilot 12mm 57.07mm Steel - 35mm
RS Stock No. 183-984
BrandRS PRO
£16.73
Each
Units
12B-1 15 Taper Bush - 91.63mm Steel - -
RS Stock No. 184-713
BrandRS PRO
£3.87
Each
Units
05B-1 17 Pilot 12mm 51.83mm Steel - 35mm
RS Stock No. 184-101
BrandRS PRO
£5.39
Each
Units
08B-1 13 Pilot 20mm 53.06mm Steel - 35mm
RS Stock No. 183-423
BrandRS PRO
£6.48
Each
Units
08B-1 15 Pilot 12mm 61.09mm Steel - 35mm
RS Stock No. 183-237
BrandRS PRO
£8.50
Each
Units
06B-1 23 Taper Bush - 69.95mm Steel - -
RS Stock No. 184-088
BrandRS PRO
£10.51
Each
Units
06B-1 30 Pilot 14mm 91.12mm Steel - 40mm
RS Stock No. 184-454
BrandRS PRO
£13.73
Each
Units
08B-1 21 Taper Bush - 85.22mm Steel - -
RS Stock No. 183-681
BrandRS PRO
£6.40
Each
Units
06B-1 21 Pilot 14mm 63.91mm Steel - 40mm
RS Stock No. 184-094
BrandRS PRO
£14.91
Each
Units
06B-1 38 Pilot 16mm 115.35mm Steel - 40mm
RS Stock No. 184-381
BrandRS PRO
£9.62
Each
Units
06B-1 28 Pilot 14mm 85.07mm Steel - 40mm
RS Stock No. 183-956
BrandRS PRO
£15.92
Each
Units
08B-1 25 Taper Bush - 101.33mm Steel - -