Ball Bearing – 30/40, Chicago Pneumatic part number 4700W61021, listed at Crowder Supply as CP-4700W61021. It is the sacrificial wear surface between two moving parts of the tool designed to be replaced so the housing around it is not.

The parts diagram library is where to start if you are working back from a machine or send the model and serial and we will confirm it. Complete tools sit on the Chicago Pneumatic tool range. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.

• Part number: 4700W61021
• Manufacturer: Chicago Pneumatic
• Crowder SKU: CP-4700W61021