Rotation Chuck (WR) is the Atlas Copco service part carried under part number 3131002200. 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.
Crowder’s breakdowns list this part on the BBD 46 WS/WR Rock Drill.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts diagram library. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 3131002200
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3131002200
- Listed on breakdowns for: BBD 46 WS/WR Rock Drill
