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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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161-180 of 2878 products

161-180 of 2878 products

196-XL-037, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt

Imperial, Rubber, Timing belt, EAN code: 4051817009812

Brand	ContiTech
Mfr Part No.	196-XL-037

$3.46

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

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	263-L-100

$21.75

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270-L-100, Gates, PowerGrip® Imperial Timing Belt - 9257-33027

Imperial, Rubber, Timing belt, EAN code: 5412571224924

Brand	Gates
Mfr Part No.	270-L-100

$17.88

In stock ( * cut from sleeve )

PHG 300-H-100, SKF, Synchronous Imperial Timing Belt - PHG 300-H-100

Imperial, Rubber, Timing belt, EAN code: 07316572592779

Brand	SKF
Mfr Part No.	PHG 300-H-100

$10.16

Despatched in 1-2 days

PHG 300-H-150, SKF, Synchronous Imperial Timing Belt - PHG 300-H-150

Imperial, Rubber, Timing belt, EAN code: 07316572592786

Brand	SKF
Mfr Part No.	PHG 300-H-150

$15.19

Despatched in 1-2 days

PHG 300-H-200, SKF, Synchronous Imperial Timing Belt - PHG 300-H-200

Imperial, Rubber, Timing belt, EAN code: 07316572592793

Brand	SKF
Mfr Part No.	PHG 300-H-200

$20.40

Despatched in 1-2 days

PHG 300-L-075, SKF, Synchronous Imperial Timing Belt - PHG 300-L-075

Imperial, Rubber, Timing belt, EAN code: 07316572594865

Brand	SKF
Mfr Part No.	PHG 300-L-075

$7.87

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

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	320-H-100

$28.47

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290-XL-031, Optibelt, ZR Imperial Timing Belt

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	290-XL-031

$6.15

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296-XL-037, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt

Imperial, Rubber, Timing belt, EAN code: 4051817010535

Brand	ContiTech
Mfr Part No.	296-XL-037

$4.03

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210-L-050, Gates, PowerGrip® Imperial Timing Belt - 9257-31021

Imperial, Rubber, Timing belt, EAN code: 5412571224481

Brand	Gates
Mfr Part No.	210-L-050

$7.89

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135-L-100, Gates, PowerGrip® Imperial Timing Belt - 9277-40017

Imperial, Rubber, Timing belt, EAN code: 5412571233551

Brand	Gates
Mfr Part No.	135-L-100

$12.46

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136-XL-037, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt

Imperial, Rubber, Timing belt, EAN code: 4051817009126

Brand	ContiTech
Mfr Part No.	136-XL-037

$2.77

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PHG 1600-H-150, SKF, Synchronous Imperial Timing Belt - PHG 1600-H-150

Imperial, Rubber, Timing belt, EAN code: 07316572731918

Brand	SKF
Mfr Part No.	PHG 1600-H-150

$70.64

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PHG 170-XL-037, SKF, Synchronous Imperial Timing Belt - PHG 170-XL-037

Imperial, Rubber, Timing belt, EAN code: 07316572596050

Brand	SKF
Mfr Part No.	PHG 170-XL-037

$2.22

Despatched in 1-2 days

PHG 850-H-100, SKF, Synchronous Imperial Timing Belt - PHG 850-H-100

Imperial, Rubber, Timing belt, EAN code: 07316572594117

Brand	SKF
Mfr Part No.	PHG 850-H-100

$24.99

Despatched in 1-2 days

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

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	770-XH-500

$507.98

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

Imperial, Rubber, Timing belt, EAN code: 4051817003506

Brand	ContiTech
Mfr Part No.	800-H-200

$62.29

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

Imperial, Rubber, Timing belt, EAN code: 4051817003513

Brand	ContiTech
Mfr Part No.	800-H-300

$93.82

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

Imperial, Rubber, Timing belt, EAN code: 4051817003056

Brand	ContiTech
Mfr Part No.	570-H-200

$46.98

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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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