Effective August 21st, 2023, the Naval Air Warfare Center Aircraft Division (NAWCAD) has disapproved Timken Aurora’s qualification status for SAE-AS81820 and SAE-AS81935 specifications. Timken Aurora is working diligently to get requalified.
Standard Configuration:
- Body - 4340 alloy steel - heat treated - cadmium plated.
 - Ball - 440C stainless steel - heat treated - chrome plated (MFG. option).
 - Race - 17-4 PH stainless steel - heat treated.
 
-10 Configuration:
- Body - 17-4 PH stainless steel - heat treated.
 - Ball - 440C stainless steel - heat treated - chrome plated (MFG. option).
 - Race - 17-4 PH stainless steel - heat treated.
 - PTFE Liner - (AT 3200) Permanently bonded to race inside diameter, qualified to SAE-AS81820 Type A.
 - Temperature range: -65°F to +325°F
 - Keyslots are available. Units are supplied without keyslots. When a keyslot is required, specify by adding suffix "K". Ex.: ASXWK-4T.
 - As applicable, keyslots will conform to SAE-AS81935/3 or NAS 559.