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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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141-160 of 280 products

141-160 of 280 products

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

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	950-H-100

$65.61

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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PHG 750-H-100, SKF, Synchronous Imperial Timing Belt - PHG 750-H-100

Imperial, Rubber, Timing belt, EAN code: 07316572593967

Brand	SKF
Mfr Part No.	PHG 750-H-100

$22.07

Despatched in 3-5 days

750-H-100, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt

Imperial, Rubber, Timing belt, EAN code: 4051817003438

Brand	ContiTech
Mfr Part No.	750-H-100

$30.75

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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750-H-100, Gates, PowerGrip® Imperial Timing Belt - 9277-54876

Imperial, Rubber, Timing belt, EAN code: 5414465071508

Brand	Gates
Mfr Part No.	750-H-100

$42.01

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This item is not currently available from our stocks.

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

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	750-H-100

$52.84

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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PHG 600-H-100, SKF, Synchronous Imperial Timing Belt - PHG 600-H-100

Imperial, Rubber, Timing belt, EAN code: 07316572593622

Brand	SKF
Mfr Part No.	PHG 600-H-100

$17.77

Despatched in 3-5 days

600-H-100, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt

Imperial, Rubber, Timing belt, EAN code: 4051817003087

Brand	ContiTech
Mfr Part No.	600-H-100

$25.59

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This item is not currently available from our stocks.

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600-H-100, Gates, PowerGrip® Imperial Timing Belt - 9257-42060

Imperial, Rubber, Timing belt, EAN code: 5412571225402

Brand	Gates
Mfr Part No.	600-H-100

$34.66

In stock ( * cut from sleeve )

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

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	600-H-100

$44.30

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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PHG 600-L-100, SKF, Synchronous Imperial Timing Belt - PHG 600-L-100

Imperial, Rubber, Timing belt, EAN code: 07316572595336

Brand	SKF
Mfr Part No.	PHG 600-L-100

$18.38

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This item is not currently available from our stocks.

Despatch date information is on request.

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600-L-100, Gates, PowerGrip® Imperial Timing Belt - 9257-33060

Imperial, Rubber, Timing belt, EAN code: 5412571225044

Brand	Gates
Mfr Part No.	600-L-100

$31.66

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This item is not currently available from our stocks.

Despatch date information is on request.

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600-L-100, Optibelt, ZR Imperial Timing Belt

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	600-L-100

$39.65

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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615-H-100, Gates, PowerGrip® Imperial Timing Belt - 9277-40436

Imperial, Rubber, Timing belt, EAN code: 5412571233889

Brand	Gates
Mfr Part No.	615-H-100

$35.74

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This item is not currently available from our stocks.

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

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	530-H-100

$40.57

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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540-H-100, Gates, PowerGrip® Imperial Timing Belt - 9257-42054

Imperial, Rubber, Timing belt, EAN code: 5412571225389

Brand	Gates
Mfr Part No.	540-H-100

$32.65

In stock ( * cut from sleeve )

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

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	540-H-100

$41.34

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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PHG 540-L-100, SKF, Synchronous Imperial Timing Belt - PHG 540-L-100

Imperial, Rubber, Timing belt, EAN code: 07316572595305

Brand	SKF
Mfr Part No.	PHG 540-L-100

$16.45

Despatched in 3-5 days

540-L-100, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt

Imperial, Rubber, Timing belt, EAN code: 4051817004886

Brand	ContiTech
Mfr Part No.	540-L-100

$20.91

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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540-L-100, Optibelt, ZR Imperial Timing Belt

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	540-L-100

$36.21

Available to back order What does this mean?

This item is not currently available from our stocks.

Despatch date information is on request.

Ask about despatch

PHG 480-H-100, SKF, Synchronous Imperial Timing Belt - PHG 480-H-100

Imperial, Rubber, Timing belt, EAN code: 07316572593370

Brand	SKF
Mfr Part No.	PHG 480-H-100

$14.01

Despatched in 3-5 days

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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