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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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21-40 of 408 products

21-40 of 408 products

1120-XH-200, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt

Imperial, Rubber, Timing belt, EAN code: 4051817008068

Brand	ContiTech
Mfr Part No.	1120-XH-200

$160.91

In stock

1400-XXH-200, Gates, PowerGrip® Imperial Timing Belt - 9257-61140

Imperial, Rubber, Timing belt, EAN code: 5412571226614

Brand	Gates
Mfr Part No.	1400-XXH-200

$411.31

In stock

1250-H-300, Gates, PowerGrip® Imperial Timing Belt - 9257-45125

Imperial, Rubber, Timing belt, EAN code: 5412571226249

Brand	Gates
Mfr Part No.	1250-H-300

$192.41

In stock

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

Imperial, Rubber, Timing belt, EAN code: 4051817002806

Brand	ContiTech
Mfr Part No.	420-H-200

$37.24

In stock

300-H-300, Gates, PowerGrip® Imperial Timing Belt - 9257-45030

Imperial, Rubber, Timing belt, EAN code: 5412571226041

Brand	Gates
Mfr Part No.	300-H-300

$61.90

In stock

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

Imperial, Rubber, Timing belt, EAN code: 4051817003452

Brand	ContiTech
Mfr Part No.	750-H-200

$59.27

In stock

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

Imperial, Rubber, Timing belt, EAN code: 4051817002950

Brand	ContiTech
Mfr Part No.	510-H-200

$43.04

In stock

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

Imperial, Rubber, Timing belt, EAN code: 4051817003209

Brand	ContiTech
Mfr Part No.	660-H-200

$54.23

In stock

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

Imperial, Rubber, Timing belt, EAN code: 4051817003100

Brand	ContiTech
Mfr Part No.	600-H-200

$49.54

In stock

1000-XXH-200, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt

Imperial, Rubber, Timing belt, EAN code: 4051817011686

Brand	ContiTech
Mfr Part No.	1000-XXH-200

$313.50

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1000-XXH-200, Gates, PowerGrip® Imperial Timing Belt - 9257-05103

Imperial, Rubber, Timing belt, EAN code: 5414465667893

Brand	Gates
Mfr Part No.	1000-XXH-200

$339.11

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This item is not currently available from our stocks.

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1000-XXH-200, Optibelt, ZR Imperial Timing Belt

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	1000-XXH-200

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2 alternatives

1000-XXH-300, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt

Imperial, Rubber, Timing belt, EAN code: 4051817011693

Brand	ContiTech
Mfr Part No.	1000-XXH-300

$484.35

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1000-XXH-300, Gates, PowerGrip® Imperial Timing Belt - 9257-05203

Imperial, Rubber, Timing belt, EAN code: 5412571223804

Brand	Gates
Mfr Part No.	1000-XXH-300

$508.64

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This item is not currently available from our stocks.

Despatch date information is on request.

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1000-XXH-300, Optibelt, ZR Imperial Timing Belt

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	1000-XXH-300

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This item is not currently available from our stocks.

Despatch date information is on request.

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2 alternatives

1020-H-200, Optibelt, ZR Imperial Timing Belt

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	1020-H-200

$133.30

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1020-H-300, Optibelt, ZR Imperial Timing Belt

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	1020-H-300

$202.44

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This item is not currently available from our stocks.

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Add to basket

1100-H-200, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt

Imperial, Rubber, Timing belt, EAN code: 4051817003704

Brand	ContiTech
Mfr Part No.	1100-H-200

$81.63

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Despatch date information is on request.

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1100-H-200, Gates, PowerGrip® Imperial Timing Belt - 9257-44110

Imperial, Rubber, Timing belt, EAN code: 5412571225983

Brand	Gates
Mfr Part No.	1100-H-200

$116.46

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This item is not currently available from our stocks.

Despatch date information is on request.

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1100-H-200, Optibelt, ZR Imperial Timing Belt

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	1100-H-200

$140.77

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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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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