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Chain Drive

Pretty much everyone has at least seen a chain system in their life in the form of a bicycle. This system of course is driven by human input rather than a motor. Automated systems behave no differently though, you have several sprockets, and chain that wraps around them. One sprocket is driven and the others perform work on the load. Chain tends to be noisier than belts and cannot be tensioned as tightly meaning there is a bit more backlash inherent in the system. In exchange though, chain can move much heavier loads for their size.

We sell ANSI#25 and #40 chain and sprockets (that is 0.25" pitch and 0.5" pitch). The #25 is rated for 100lbs of working tension while the #40 is rated for 800lbs. Chain is sold by the meter and you can form closed loops of any length you'd like with the link kits that we sell. To calculate how many links you will need for a particular sprocket spacing you can use this calculator, just enter in the number of teeth on each sprocket, the chain pitch, and the center to center distance between the sprockets to get the number of links you will need. If the number is not whole, you should always round up (and probably even add one). Once you know how many links you will require you will need to use the link kit to connect your chain up.

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  1. TRM4135_0 #25 Chain Sprocket with 8mm Bore and 10 Teeth

    TRM4135_0 #25 Chain Sprocket with 8mm Bore and 10 Teeth

    Product Code: TRM4135
    Excl. VAT: £2.17 Incl. VAT: £2.60 As low as: £2.29

    Sprocket for 0.25" roller chain

    • 8mm Bore
    • 10 Teeth

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  2. TRM4136_0 #25 Chain Sprocket with 9mm Bore and 18 Teeth

    TRM4136_0 #25 Chain Sprocket with 9mm Bore and 18 Teeth

    Product Code: TRM4136
    Excl. VAT: £3.11 Incl. VAT: £3.73 As low as: £2.86

    Sprocket for 0.25" roller chain

    • 9mm Bore
    • 18 Teeth

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  3. TRM4137_0 #25 Chain Sprocket with 10mm Bore and 32 Teeth

    TRM4137_0 #25 Chain Sprocket with 10mm Bore and 32 Teeth

    Product Code: TRM4137
    Excl. VAT: £3.69 Incl. VAT: £4.43 As low as: £3.41

    Sprocket for 0.25" roller chain

    • 10mm Bore
    • 32 Teeth

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  4. TRM4138_0 #25 Chain Sprocket with 11mm Bore and 32 Teeth

    TRM4138_0 #25 Chain Sprocket with 11mm Bore and 32 Teeth

    Product Code: TRM4138
    Excl. VAT: £3.69 Incl. VAT: £4.43 As low as: £3.41

    Sprocket for 0.25" roller chain

    • 11mm Bore
    • 32 Teeth

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  5. TRM4139_0 #25 Chain Sprocket with 12mm Bore and 12 Teeth

    TRM4139_0 #25 Chain Sprocket with 12mm Bore and 12 Teeth

    Product Code: TRM4139
    Excl. VAT: £2.66 Incl. VAT: £3.19 As low as: £2.52

    Sprocket for 0.25" roller chain

    • 12mm Bore
    • 12 Teeth

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  6. TRM4140_0 #25 Chain Sprocket with 12mm Bore and 18 Teeth

    TRM4140_0 #25 Chain Sprocket with 12mm Bore and 18 Teeth

    Product Code: TRM4140
    Excl. VAT: £3.11 Incl. VAT: £3.73 As low as: £2.86

    Sprocket for 0.25" roller chain

    • 12mm Bore
    • 18 Teeth

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  7. TRM4141_0 #25 Chain Sprocket with 12mm Bore and 32 Teeth

    TRM4141_0 #25 Chain Sprocket with 12mm Bore and 32 Teeth

    Product Code: TRM4141
    Excl. VAT: £3.69 Incl. VAT: £4.43 As low as: £3.41

    Sprocket for 0.25" roller chain

    • 12mm Bore
    • 32 Teeth

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  8. TRM4142_0 #25 Chain Sprocket with 12mm Bore and 52 Teeth

    TRM4142_0 #25 Chain Sprocket with 12mm Bore and 52 Teeth

    Product Code: TRM4142
    Excl. VAT: £5.12 Incl. VAT: £6.14 As low as: £4.76

    Sprocket for 0.25" roller chain

    • 12mm Bore
    • 52 Teeth

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  9. TRM4143_0 #25 Chain Sprocket with 0.5" Bore and 12 Teeth

    TRM4143_0 #25 Chain Sprocket with 0.5" Bore and 12 Teeth

    Product Code: TRM4143
    Excl. VAT: £2.92 Incl. VAT: £3.50 As low as: £2.65

    Sprocket for 0.25" roller chain

    • 0.5" (12.7mm) Bore
    • 12 Teeth

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  10. TRM4144_0 #40 Chain Sprocket with 12mm Bore and 9 Teeth

    TRM4144_0 #40 Chain Sprocket with 12mm Bore and 9 Teeth

    Product Code: TRM4144
    Excl. VAT: £3.11 Incl. VAT: £3.73 As low as: £2.86

    Sprocket for 0.5" roller chain

    • 12mm Bore
    • 9 Teeth

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Chain Drive

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