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 -See 2D Sales drawing for details.

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 - Low carbon steel - inside diameter protective coated for corrosion resistance.
• PTFE Liners available upon request. Specify by adding suffix "T". Ex.: COM-8T. (PTFE lined parts have no lubrication grooves in race. Lubrication holes are manufacturer's option.)

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.

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.