For repairs and tuning, the bearing points of the crankshaft can be machined with superfinishing attachments. This can achieve surfaces like OEM or even better.
Suitable attachments
The following attachments are suitable for processing the workpiece.

Supfina Attachment 90
Pneumatic finishing device for mounting on CNC and conventional carrier machines, especially for cramped and inaccessible installation situations.
Supfina Attachment 100
Pneumatic finishing device for installation on small, medium and large carrier machines for superfinishing of ground and finely turned surfaces.