Needle Bearing, Atlas Copco part number 9232100070, listed at Crowder Supply as AC-9232100070. It is the sacrificial wear surface between two moving parts of the breaker designed to be replaced so the housing around it is not.
The published breakdown lists it on the Cobra Combi Gas Drill/Breaker and Red Hawk Gas Breaker/Drill, and on 1 other machine. Pull up the diagram and confirm the reference number for your serial before ordering.
Everything else on that machine is one page away on the full diagram library; complete tools are on the Atlas Copco tool range. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 9232100070
- Manufacturer: Atlas Copco
- Crowder SKU: AC-9232100070
- Listed on breakdowns for: Cobra Combi Gas Drill/Breaker, Red Hawk Gas Breaker/Drill, Cobra Combi Gas Breaker/Drilll- before 2010

