400-H-300, Optibelt, ZR Imperial Timing Belt
Imperial, Rubber, Timing belt
330-H-300, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt
Imperial, Rubber, Timing belt, EAN code: 4051817002561
330-H-300, Gates, PowerGrip® Imperial Timing Belt - 9257-45033
Imperial, Rubber, Timing belt, EAN code: 5412571226058
330-H-300, Optibelt, ZR Imperial Timing Belt
Imperial, Rubber, Timing belt
320-H-300, Optibelt, ZR Imperial Timing Belt
Imperial, Rubber, Timing belt
310-H-300, Gates, PowerGrip® Imperial Timing Belt - 9277-41812
Imperial, Rubber, Timing belt, EAN code: 5412571238525
310-H-300, Optibelt, ZR Imperial Timing Belt
Imperial, Rubber, Timing belt
315-H-300, Optibelt, ZR Imperial Timing Belt
Imperial, Rubber, Timing belt
340-H-300, Optibelt, ZR Imperial Timing Belt
Imperial, Rubber, Timing belt
350-H-300, Optibelt, ZR Imperial Timing Belt
Imperial, Rubber, Timing belt
390-H-300, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt
Imperial, Rubber, Timing belt, EAN code: 4051817002769
390-H-300, Gates, PowerGrip® Imperial Timing Belt - 9257-45039
Imperial, Rubber, Timing belt, EAN code: 5412571226072
390-H-300, Optibelt, ZR Imperial Timing Belt
Imperial, Rubber, Timing belt
720-H-300, Optibelt, ZR Imperial Timing Belt
Imperial, Rubber, Timing belt
360-H-300, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt
Imperial, Rubber, Timing belt, EAN code: 4051817002660
360-H-300, Gates, PowerGrip® Imperial Timing Belt - 9257-45036
Imperial, Rubber, Timing belt, EAN code: 5412571226065
360-H-300, Optibelt, ZR Imperial Timing Belt
Imperial, Rubber, Timing belt
370-H-300, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt
Imperial, Rubber, Timing belt, EAN code: 4051817002714
370-H-300, Gates, PowerGrip® Imperial Timing Belt - 9277-41814
Imperial, Rubber, Timing belt, EAN code: 5412571238532
370-H-300, Optibelt, ZR Imperial Timing Belt
Imperial, Rubber, Timing belt
Common imperial pitches include
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MXL
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XL
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L
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H
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XH
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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:
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Pitch type (e.g., XL, L, H)
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Belt length (in inches)
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Belt width (in inches)
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Tooth profile
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Construction material (neoprene, polyurethane)
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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:
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Belt pitch (e.g., XL, L, H)
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Belt length (in inches)
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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:
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Incorrect belt tension
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Pulley misalignment
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Overloading
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Contamination from oil or debris
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Mixing metric and imperial components
Routine inspection and proper installation significantly extend belt life.