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 - Alloy steel - heat treated - hard chrome plated.
• 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-4TG.

• Ball - 440C stainless steel - heat treated - chrome plated (MFG. option).
• Race - 17-4 PH stainless steel - heat treated.
• Staking Groove is available. When a staking groove is required, specify by adding suffix "G". Ex.: HAB-4EG.

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.

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 - Alloy steel - heat treated - hard chrome plated. Manufacturers option: 440C stainless steel - heat treated.
• Race - 17-4 PH stainless steel  - heat treated - PTFE Lined.
• 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.: PNB-5TG

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 - Alloy steel - heat treated - hard chrome plated. Manufacturers option: 440C stainless steel - heat treated.
• Race - 17-4 PH stainless steel  - heat treated - PTFE Lined.
• 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.: PWB-5TG