H 100 timing pulleys (1" belt)

H 100 timing pulleys work with H belts with a pitch of 1/2" (12.7 mm) and a width of 1" (25.4 mm). It is the most common width of the H profile - it runs in many agricultural and industrial machines, and H 100 belts are readily available.

H 100 timing pulleys - a popular width and easy drive servicing

A popular width means easy servicing: you can buy the pulley and belt without waiting, and parts from different manufacturers are interchangeable thanks to the standard. A wide choice of tooth counts lets you build a drive with a ratio close to 1:1 or with a large speed reduction. Smaller pulleys are made of C45 steel, and larger ones of grey cast iron.

H 100 synchronous pulleys: pilot bore and with a Taper-Lock seat

Two subgroups: Pilot bore - pulleys with a pilot bore for machining to the shaft, and Taper-Lock - pulleys with a seat for a taper bush. The seat size is given in the pulley name, and other dimensions on the product page.

Questions and answers: H 100 timing belt pulleys

Are steel and cast iron pulleys with the same number of teeth interchangeable?

Yes, the meshing is the same. The shape of the hub and web may differ, so check the dimensions on the product page before replacing.

Pilot bore or Taper-Lock?

Choose a pilot bore pulley when the shaft has a non-standard diameter or you need a precise fit. A Taper-Lock pulley - when quick installation and easy replacement matter.