Chiaravalli – Open Transmission Catalogue

Contents
A unified handbook of sprockets, pulleys, racks, gears and couplings with dimensional tables, bore/key options and interchange guidance for MRO and OEM use.

Highlights

• Material grades and heat treatments by component family.
• Tooth and groove standards, tolerances and surface finish recommendations.
• Interfaces: taper bush, pilot bore, keyway forms and clamping hubs.

Field advice

• Balance rotating assemblies at higher speeds; verify guard clearances.
• Set chain/belt tension from charts; recheck after thermal stabilization.
• Pair replacements where meshing surfaces wear together.