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.
- 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.
- Staking Groove is available. When a staking groove is required, specify by adding suffix "G". Ex.: HAB-4ETG.