CUP (P/N 8231) - New Surplus

Part 8231 is the bearing cup (outer race) for tapered roller bearing assemblies in aircraft hub stacks. This steel component provides the rolling surface that pairs with a matching cone to establish preload and alignment in rotating assemblies. During MRO maintenance, the bearing cup installs as an interference fit into the hub bore.

Lubrication follows the aircraft maintenance manual specifications. Verify the matching cone designation in the Illustrated Parts Catalog before assembly to ensure proper bearing stack configuration and load distribution.

What is the CUP (P/N 8231)?

Part 8231 is the bearing cup (outer race) for tapered roller bearing assemblies in aircraft hub stacks. This steel component provides the rolling surface that pairs with a matching cone to establish preload and alignment in rotating assemblies.

What conditions is the 8231 available in?

The 8231 is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.

How do I get pricing for the 8231?

The 8231 requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.

Do you offer expedited shipping for the 8231?

Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.