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Imperial Timing Belts

Imperial timing belts (also known as inch pitch timing belts) feature moulded teeth spaced according to inch measurements rather than millimetres. These belts must be paired with matching imperial timing pulleys to ensure correct meshing and performance.

At ACORN®, we supply a comprehensive range of imperial timing belts in stock and available to buy online today, with fast UK and worldwide delivery.

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1541-1560 of 2878 products

1541-1560 of 2878 products

568-MXL-012, Optibelt, ZR Imperial Timing Belt

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	568-MXL-012

$1.93

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This item is not currently available from our stocks.

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568-MXL-019, Gates, PowerGrip® Imperial Timing Belt - 9277-41050

Imperial, Rubber, Timing belt, EAN code: 5412571235302

Brand	Gates
Mfr Part No.	568-MXL-019

$2.66

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This item is not currently available from our stocks.

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568-MXL-019, Optibelt, ZR Imperial Timing Belt

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	568-MXL-019

$2.74

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This item is not currently available from our stocks.

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568-MXL-025, Gates, PowerGrip® Imperial Timing Belt - 9277-41051

Imperial, Rubber, Timing belt, EAN code: 5412571235319

Brand	Gates
Mfr Part No.	568-MXL-025

$3.53

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568-MXL-025, Optibelt, ZR Imperial Timing Belt

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	568-MXL-025

$3.19

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This item is not currently available from our stocks.

Despatch date information is on request.

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PHG 570-H-075, SKF, Synchronous Imperial Timing Belt - PHG 570-H-075

Imperial, Rubber, Timing belt, EAN code: 07316572593561

Brand	SKF
Mfr Part No.	PHG 570-H-075

$12.53

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570-H-075, Gates, PowerGrip® Imperial Timing Belt - 9257-41057

Imperial, Rubber, Timing belt, EAN code: 5412571225167

Brand	Gates
Mfr Part No.	570-H-075

$24.86

In stock ( * cut from sleeve )

570-H-075, Optibelt, ZR Imperial Timing Belt

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	570-H-075

$32.81

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This item is not currently available from our stocks.

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PHG 570-H-100, SKF, Synchronous Imperial Timing Belt - PHG 570-H-100

Imperial, Rubber, Timing belt, EAN code: 07316572593578

Brand	SKF
Mfr Part No.	PHG 570-H-100

$16.86

Despatched in 1-2 days

570-H-100, Gates, PowerGrip® Imperial Timing Belt - 9257-42057

Imperial, Rubber, Timing belt, EAN code: 5412571225396

Brand	Gates
Mfr Part No.	570-H-100

$33.19

In stock ( * cut from sleeve )

570-H-100, Optibelt, ZR Imperial Timing Belt

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	570-H-100

$42.73

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This item is not currently available from our stocks.

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PHG 570-H-150, SKF, Synchronous Imperial Timing Belt - PHG 570-H-150

Imperial, Rubber, Timing belt, EAN code: 07316572593585

Brand	SKF
Mfr Part No.	PHG 570-H-150

$25.10

Despatched in 1-2 days

570-H-150, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt

Imperial, Rubber, Timing belt, EAN code: 4051817003049

Brand	ContiTech
Mfr Part No.	570-H-150

$35.34

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This item is not currently available from our stocks.

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570-H-150, Gates, PowerGrip® Imperial Timing Belt - 9257-43057

Imperial, Rubber, Timing belt, EAN code: 5412571225648

Brand	Gates
Mfr Part No.	570-H-150

$49.76

In stock ( * cut from sleeve )

570-H-150, Optibelt, ZR Imperial Timing Belt

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	570-H-150

$61.14

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This item is not currently available from our stocks.

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PHG 570-H-200, SKF, Synchronous Imperial Timing Belt - PHG 570-H-200

Imperial, Rubber, Timing belt, EAN code: 07316572593592

Brand	SKF
Mfr Part No.	PHG 570-H-200

$33.52

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570-H-200, Gates, PowerGrip® Imperial Timing Belt - 9257-44057

Imperial, Rubber, Timing belt, EAN code: 5412571225884

Brand	Gates
Mfr Part No.	570-H-200

$66.35

In stock ( * cut from sleeve )

570-H-200, Optibelt, ZR Imperial Timing Belt

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	570-H-200

$81.55

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This item is not currently available from our stocks.

Despatch date information is on request.

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570-H-300, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt

Imperial, Rubber, Timing belt, EAN code: 4051817003063

Brand	ContiTech
Mfr Part No.	570-H-300

$69.22

Available to back order What does this mean?

This item is not currently available from our stocks.

Despatch date information is on request.

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570-H-300, Gates, PowerGrip® Imperial Timing Belt - 9257-45057

Imperial, Rubber, Timing belt, EAN code: 5412571226133

Brand	Gates
Mfr Part No.	570-H-300

$99.51

In stock ( * cut from sleeve )

Common imperial pitches include

MXL
XL
L
H
XH
XXH

Each pitch is designed for specific torque and load capacities, making correct selection essential.

Key Benefits

Positive drive with zero slippage
Precise shaft synchronisation
High efficiency power transmission
Reduced maintenance compared to chain drives
Smooth, low-noise operation
Long service life

Imperial synchronous belts are widely used where consistent positioning and repeatability are critical.

Available Sizes & Specifications

When selecting an imperial timing belt, key factors include:

Pitch type (e.g., XL, L, H)
Belt length (in inches)
Belt width (in inches)
Tooth profile
Construction material (neoprene, polyurethane)
Tensile reinforcement type

If you have an existing belt code, it typically includes pitch and length information for easy identification.

Imperial Timing Belts FAQs

Are imperial and metric timing belts interchangeable?

No. Imperial belts use inch-based pitch measurements, while metric belts use millimetres (e.g., 5M, 8M, 14M). They are not interchangeable, even if they appear similar in size.

How do I identify my imperial timing belt size?

You will need to confirm:

Belt pitch (e.g., XL, L, H)
Belt length (in inches)
Belt width (in inches)

Most belts have a printed code that includes this information. If the marking is worn, measuring tooth pitch and belt length can help determine the correct replacement.

What causes imperial timing belts to fail?

Common causes of failure include:

Incorrect belt tension
Pulley misalignment
Overloading
Contamination from oil or debris
Mixing metric and imperial components

Routine inspection and proper installation significantly extend belt life.

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