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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
Unit of Measure
Key Dimensions
Part Number |
N/A PNB-12T |
Bearing Type |
N/A Plain |
B - Ball Bore |
N/A .7500 in |
D - Outside Diameter |
N/A 1.4375 in |
W - Ball Width |
N/A .750 in |
H - Race Width |
N/A .593 in |
O - Ball Shoulder Diameter |
N/A .920 in |
Ball Diameter |
N/A 1.187 in |
a - Misalignment Angle |
N/A 8 º |
Radial Static Limit Load |
N/A 46,400 lbs |
Axial Static Limit Load Capacity |
N/A 6,750 lb |
No Load Rotational Breakaway Torque |
N/A .25 to 8.0 in·lb |
Approximate Brg. Weight |
N/A .21 lb |
Note |
N/A For dimensional tolerances of listed features, see the PDF version of the catalog under the "View Product Catalogs" tab from the home page. |
