This is the Chicago Pneumatic ball retainer plug part number R278014, Crowder SKU CP-R278014. It holds the working steel in the rock drill. Retention hardware is a wear and safety item a stretched or cracked retainer lets the steel move, which chews the front head.
It appears on the CP 9RR 9RRS Rock Drill breakdown. Compare it to the reference callout on the diagram to be sure it is the position you need.
If you need the parts around it, the parts breakdown index has the full breakdown library, and the CP tool catalog covers the machines themselves. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: R278014
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-R278014
- Listed on breakdowns for: CP 9RR 9RRS Rock Drill
