When a pulley or coupling does not fit, changing only its bore can leave other issues unresolved. We review the complete connection to the shaft and transmission system.
Typical applications
- Belt drives and connections between shafts.
- Adapting components to a machine or a new assembly.
What we review
- Shaft diameter, keyway and fastening method.
- Groove profile, spacing and assembly alignment.
- Available space and relationship to existing components.
What you can send to get started
- Sample or drawing and shaft dimensions.
- Belt or mating-component details and the adaptation objective.
If you do not have a drawing, share what is available. A worn sample is reviewed alongside its mating surfaces and components; it is not assumed to retain the original geometry.

