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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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241-260 of 273 products

241-260 of 273 products

PHG 660-H-200, SKF, Synchronous Imperial Timing Belt - PHG 660-H-200

Imperial, Rubber, Timing belt, EAN code: 07316572593790

Brand	SKF
Mfr Part No.	PHG 660-H-200

$38.93

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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660-H-200, Gates, PowerGrip® Imperial Timing Belt - 9257-44066

Imperial, Rubber, Timing belt, EAN code: 5412571225914

Brand	Gates
Mfr Part No.	660-H-200

$76.68

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This item is not currently available from our stocks.

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

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	660-H-200

$93.27

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This item is not currently available from our stocks.

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670-H-200, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt

Imperial, Rubber, Timing belt, EAN code: 4051817003254

Brand	ContiTech
Mfr Part No.	670-H-200

$54.51

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

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	670-H-200

$94.07

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This item is not currently available from our stocks.

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

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	680-H-200

$94.66

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PHG 630-H-200, SKF, Synchronous Imperial Timing Belt - PHG 630-H-200

Imperial, Rubber, Timing belt, EAN code: 07316572593691

Brand	SKF
Mfr Part No.	PHG 630-H-200

$37.04

Despatched in 1-2 days

630-H-200, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt

Imperial, Rubber, Timing belt, EAN code: 4051817003155

Brand	ContiTech
Mfr Part No.	630-H-200

$50.20

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This item is not currently available from our stocks.

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630-H-200, Gates, PowerGrip® Imperial Timing Belt - 9257-44063

Imperial, Rubber, Timing belt, EAN code: 5412571225907

Brand	Gates
Mfr Part No.	630-H-200

$73.74

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This item is not currently available from our stocks.

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

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	630-H-200

$87.82

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This item is not currently available from our stocks.

Despatch date information is on request.

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630-XH-200, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt

Imperial, Rubber, Timing belt, EAN code: 4051817007863

Brand	ContiTech
Mfr Part No.	630-XH-200

$104.34

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630-XH-200, Gates, PowerGrip® Imperial Timing Belt - 9257-51063

Imperial, Rubber, Timing belt, EAN code: 5412571226294

Brand	Gates
Mfr Part No.	630-XH-200

$112.77

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630-XH-200, Optibelt, ZR Imperial Timing Belt

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	630-XH-200

$179.48

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This item is not currently available from our stocks.

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630-XH-500, Gates, PowerGrip® Imperial Timing Belt - 9277-54055

Imperial, Rubber, Timing belt, EAN code: 5412571264074

Brand	Gates
Mfr Part No.	630-XH-500

$281.91

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630-XH-500, Optibelt, ZR Imperial Timing Belt

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	630-XH-500

$433.47

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PHG 600-H-200, SKF, Synchronous Imperial Timing Belt - PHG 600-H-200

Imperial, Rubber, Timing belt, EAN code: 07316572593646

Brand	SKF
Mfr Part No.	PHG 600-H-200

$35.27

Despatched in 1-2 days

600-H-200, Gates, PowerGrip® Imperial Timing Belt - 9257-44060

Imperial, Rubber, Timing belt, EAN code: 5412571225891

Brand	Gates
Mfr Part No.	600-H-200

$69.30

In stock ( * cut from sleeve )

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

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	600-H-200

$86.44

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This item is not currently available from our stocks.

Despatch date information is on request.

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700-H-200, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt

Imperial, Rubber, Timing belt, EAN code: 4051817003308

Brand	ContiTech
Mfr Part No.	700-H-200

$55.34

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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700-H-200, Gates, PowerGrip® Imperial Timing Belt - 9257-44070

Imperial, Rubber, Timing belt, EAN code: 5412571225921

Brand	Gates
Mfr Part No.	700-H-200

$79.64

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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