Timing Pulleys: Classical Imperial Pitch XXH (1 1/4″) Pilot Bore

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Enquire about Timing Pulleys: Classical Imperial Pitch XXH (1 1/4″) Pilot Bore

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Listed here is our current standard stock range of pilot bore Pulleys to suit the Classical XXH (1 1/4″) pitch of Timing Belts.

The standard stock range of pulleys are available in 5 tooth sizes to suit 4 standard belt widths of 200 (2″), 300 (3″), 400 (4″) and 500 (5″) which should cater for the majority of power transmission drive applications.

Alternatively if you can not find the tooth size you are looking for here. The company does also provides a full manufacturing service to suit any customer’s individual requirement, see our timing pulley manufacturing page for full details

Stock Modifying for a Taper Bush

We do not currently produce a Standard stock range of Taper Bore Type for this pitch size, although we do offer an in house stock modification service, therefore it maybe possible to Taper bored a Pilot bore pulley to suit a particular shaft size, ask our Sales for details. Or another option to Boring and Keywaying would be to use a Shaft Locking Bush – see (Alt.Shaft Fixing Tab above)

Even if you can not find the Tooth size you are looking for here, the company does all provide a full manufacturing service to cater for a requirement outside it’s Standard Stock Ranges.

Range of Sizes

Timing Pulleys: with boss one side

Material Pulleys: Steel C45E UNI EN 10083-1 with Flanges up to & including 22 tooth, without Flanges 24 to 26 tooth Cast Iron EN-GJL-200 UNI EN 1561 without Flanges from 27 & above

Alt. Shaft Fixing

As an alternative to either Boring & Keywaying a pilot bore pulley or using a Taper bored pulley and Bush. Why not take a look at the range of Locking Bushes we now offer, as they eliminate the need for fixing via a Keyway-Key thereby providing the added benefit of a uniform distribution of the drive load over the entire diameter of the bush.

View Range

Drive Design Service

A Free Drive Selection Service is available upon request, please click on this link to go to our Drive Selection Service Page for details

Reworking Service

To compliment this range of stock products the company can also provide a variety of finishing services, to suit individual customer’s own requirements.

Plating Service

To compliment the Stock range of Products the company offers an in house comprehensive reworking service to modify any stock pulley to suit your individual requirements.


The company also provides a Manufacturing Service that caters for :-

  • Any requirement outside it’s stock ranges.
  • Customers own drawing requirement.
  • Or when a stock pulley is not suitable.

See our manufacturing Capacity


Note: Only one pulley within a timing pulley drive needs to have Flanges to stop belt run off

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