Timing Belts

Timing Belts are one of the most important part of Power Transmission drives. Timing Belt can be best described as Belt with integrally moulded teeth on its inside which makes positive engagement with axially grooved pulley. Timing Belt is also known as synchronous Belt or positive-drive Belt. Timing Belt drive is not considered as a substitute or replacement to other modes of Belt drives.

Timing Belts exhibit important properties such as fixed speed ratio, no re-tensioning after installation, low maintenance with wide variety of power transmission capacities and drive speeds.

Timing belts use teeth that mesh with grooves in a pulley to synchronously drive the system. There is no slippage, which will cause speed variations, allowing drives to be timed very accurately. The tensile cord has minimal stretch so the constant need for take up adjustment is removed.

Timing drives will work over a very wide range of speed and torques. Torque ranges of between very light office equipment to heavy duty crushing equipment up to several hundred kW are also capable of being driven by timing drives.

Its unique feature enables it to use in positive drive resulting in precise movement of drive components.

Timing Belts are offered in three different teeth profile:

  • Classical Timing Belts,
  • High Torque Drive (HTD) Belts and
  • Super Torque Drive (STD) Belts

PIX-X'act® CT Classical, Timing Belts

Experience the product

Our stunning interactive 3D Belt model allows viewers to get a hands-on experience with products by allowing them to view them from any angle or scale with rich rendering.


  • High efficiency due to positive engagement between the Belt teeth and pulley grooves
  • Fibre-glass cord provides excellent strength, flex life & high resistance to elongation
  • Exact power transmission
  • Improved stress distribution
  • Temperature range: -25°C to +100°C

Constructional Details

  1. Polychloroprene backing
  2. Fibre-glass cord for superior tensile strength & minimum elongation
  3. High modulus Fibre loaded Polychloroprene rubber compound
  4. Nylon stretchable fabric teeth for high wear resistance


Intermediate sizes are available upon request

Reference Standard

ISO 13050, ISO 5294 & ISO 5296


Robotic machines, Textile machinery, CNC machines, Printers, Scanners, Currency counting machines, etc.

Product Range

Section Pitch (mm) Tooth Height (mm) Belt Thickness (mm) Manufacturing Range Length Designation
Min. (inch) Max. (inch)
MXL 2.032 0.51 1.14 2.1 177.1 Lp
XXL 3.175 0.76 1.52 5.0 21.90 Lp
XL 5.080 1.27 2.30 4.4 212.8 Lp
L 9.525 1.91 3.60 6.7 270.0 Lp
12.700 2.29 4.30 14.5 272.0 Lp
XH 22.225 6.35 11.20 46.3 227.5 Lp
XXH 31.750 9.53 15.70 62.5 200.0 Lp

Product Label

Related Products

FAQ - Timing Belt

What is a Timing Belt?

A Timing Belt is a reinforced rubber belt with teeth on the inner side that synchronizes the rotation of the engine's crankshaft and camshaft, ensuring proper timing and operation of engine components.

What happens if a Timing Belt breaks?

If a Timing Belt breaks while the engine is running, it can cause significant damage to internal engine components as the synchronization between the crankshaft and camshaft is lost, leading to potential engine failure.

How can I tell if my Timing Belt needs replacement?

Signs include unusual noises from the engine (such as ticking or squealing), visible wear or damage on the belt, or reaching the recommended mileage or age specified by the manufacturer.

Can I replace a Timing Belt myself?

Timing Belt replacement requires expertise and specific tools. It's highly recommended to have a trained mechanic perform this task due to the precision required to correctly time the engine's components.

Are there warning signs before a Timing Belt fails?

Yes, some warning signs include engine misfires, rough idling, or visible wear on the belt or its components. Regular inspections during maintenance can help catch potential issues early.

What happens if I neglect to replace the Timing Belt?

Neglecting Timing Belt replacement can lead to catastrophic engine damage if it fails. It's a preventative maintenance task that can save costly repairs and inconvenience in the long run.

Can a Timing Belt replacement coincide with other maintenance tasks?

Yes, since accessing the Timing Belt often involves removing other components, it's common to replace the water pump, tensioner, and other related parts simultaneously to save on labor costs.

Are timing chains the same as Timing Belts?

No, timing chains are made of metal and are more durable than Timing Belts. They require less frequent replacement and are commonly found in some engines as an alternative to Timing Belts.

Does weather or climate affect the lifespan of a Timing Belt?

Extreme temperatures and harsh conditions can impact the longevity of a Timing Belt, potentially leading to accelerated wear. Regular inspections and adherence to recommended replacement intervals are essential.