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Timing Belt Pulleys

Timing belt pulleys are grooved wheels that are part of the timing belt system. They are used to maximise power transmission through your machinery. Common applications include vehicles, printers and manufacturing equipment.

How do timing belt pulleys work?
Timing belt pulleys have either teeth or pockets around the outside diameter. The timing teeth engage holes in the timing belt, while timing pockets engage drive lugs (fasteners) on a belt's inner circumference.
Both cause frictional forces between the flat belt and the pulley surface. This not only enables the driving motion of the system, but helps to avoid speed variations and slippage, meaning you can more easily maintain and control the speed of your machine.

Timing belt pulleys come in a range of materials including aluminium, steel and iron. This design makes them strong, heat resistant and durable, and also ensures a noiseless output.

Choosing your timing belt pulley
You can choose the correct timing belt pulley for your system according to the width of your timing belt.
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Part Details Brand Stock Number Of Teeth Pitch To Suit Belt Width Bore Maximum Bore Diameter Outside Diameter Hub Diameter Material
Connector 5mm, pack 25 RS Pro 300 - - - - - 5mm - PUR
Aluminium Timing Belt Pulley, 6mm Belt Width x 2.5mm Pitch, 16 Tooth, Maximum Bore Dia. 6mm RS Pro 278 16 2.5mm 6mm 4mm 6mm 12.8mm 16mm Aluminium
Connector 8mm, pack 25 RS Pro 225 - - - - - 8mm - PUR
Aluminium Timing Belt Pulley, 6mm Belt Width x 2.5mm Pitch, 60 Tooth, Maximum Bore Dia. 35mm RS Pro 186 60 2.5mm 6mm 8mm 35mm 47.85mm 34mm Aluminium
Aluminium Timing Belt Pulley, 14.3mm Belt Width x 5.08mm Pitch, 10 Tooth, Maximum Bore Dia. 5mm RS Pro 171 10 5.08mm 14.3mm - 5mm 15.66mm 9.5mm Aluminium
Aluminium Timing Belt Pulley, 10mm Belt Width x 5mm Pitch, 16 Tooth, Maximum Bore Dia. 12mm RS Pro 140 16 5mm 10mm 6mm 12mm 25.06mm 18mm Aluminium
Aluminium Timing Belt Pulley, 6mm Belt Width x 2.5mm Pitch, 20 Tooth, Maximum Bore Dia. 9mm RS Pro 115 20 2.5mm 6mm 4mm 9mm 15.4mm 11mm Aluminium
Aluminium Timing Belt Pulley, 10mm Belt Width x 5mm Pitch, 15 Tooth, Maximum Bore Dia. 10mm RS Pro 109 15 5mm 10mm 6mm 10mm 24.05mm 16mm Aluminium
Aluminium Timing Belt Pulley, 6mm Belt Width x 2.5mm Pitch, 12 Tooth, Maximum Bore Dia. 3mm RS Pro 89 12 2.5mm 6mm 3mm 3mm 9mm 13mm Aluminium
Steel Timing Belt Pulley, 15mm Belt Width x 5mm Pitch, 20 Tooth, Maximum Bore Dia. 15mm RS Pro 86 20 5mm 15mm 6mm 15mm 27.51mm 23mm Steel
Aluminium Timing Belt Pulley, 10mm Belt Width x 5mm Pitch, 30 Tooth, Maximum Bore Dia. 33mm RS Pro 72 30 5mm 10mm 8mm 33mm 47.95mm 34mm Aluminium
Aluminium Timing Belt Pulley, 10mm Belt Width x 5mm Pitch, 14 Tooth, Maximum Bore Dia. 8mm RS Pro 66 14 5mm 10mm - 8mm 22.45mm 13mm Aluminium
Aluminium Timing Belt Pulley, 10mm Belt Width x 5mm Pitch, 18 Tooth, Maximum Bore Dia. 16mm RS Pro 65 18 5mm 10mm 6mm 16mm 28.8mm 20mm Aluminium
Aluminium Timing Belt Pulley, 10mm Belt Width x 5mm Pitch, 48 Tooth, Maximum Bore Dia. 60mm RS Pro 64 48 5mm 10mm 8mm 60mm 76.55mm 50mm Aluminium
Aluminium Timing Belt Pulley, 10mm Belt Width x 5mm Pitch, 12 Tooth, Maximum Bore Dia. 6mm RS Pro 63 12 5mm 10mm - 6mm 19.25mm 11mm Aluminium
Aluminium Timing Belt Pulley, 6mm Belt Width x 2.5mm Pitch, 25 Tooth, Maximum Bore Dia. 12mm RS Pro 62 25 2.5mm 6mm 4mm 12mm 19.35mm 13mm Aluminium
Aluminium Timing Belt Pulley, 6mm Belt Width x 2.5mm Pitch, 28 Tooth, Maximum Bore Dia. 13mm RS Pro 60 28 2.5mm 6mm 4mm 13mm 22.35mm 14mm Aluminium
Steel Timing Belt Pulley, 15mm Belt Width x 5mm Pitch, 24 Tooth, Maximum Bore Dia. 19mm RS Pro 52 24 5mm 15mm 6mm 19mm 33.87mm 27mm Steel
Aluminium Timing Belt Pulley, 10mm Belt Width x 5mm Pitch, 40 Tooth, Maximum Bore Dia. 47mm RS Pro 50 40 5mm 10mm 8mm 47mm 63.85mm 40mm Aluminium
Aluminium Timing Belt Pulley, 16mm Belt Width x 5mm Pitch, 20 Tooth, Maximum Bore Dia. 18mm RS Pro 50 20 5mm 16mm 6mm 18mm 32mm 23mm Aluminium
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