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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.

  • Body - 17-4 PH stainless steel - heat treated.
  • Ball - 440C stainless steel - heat treated.
  • 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.: HXAW-8ET-10K.
  • As applicable, keyslots will conform to NAS 559.
Unit of Measure

Key Dimensions

Part Number

 N/A HXAW-20ET-10

Thread Type

 N/A Right Hand

Thread Configuration

 N/A Female

B - Ball Bore

 N/A 1.2500 in

W - Ball Width

 N/A 1.875 in

H - Head Width

 N/A 1.015 in

A - Base to Center

 N/A 5.000 in

D - Head Diameter

 N/A 3.125 in

O - Ball Shoulder Diameter

 N/A 1.523 in

Ball Diameter

 N/A 2.250 in

C - Thread Depth [inch]

 N/A 3.125 in

Thread Size

 N/A 1 1/4-12

Thread Class

 N/A UNJF-3B

E - Diameter

 N/A 1.688 in

K - Boss Diameter

 N/A 1.813 in

F - Boss Height

 N/A .562 in

G - Base to Inspection Hole Center

 N/A 1.312 in

J - Wrench Flat Width

N/A 1.703 in

a - Misalignment Angle

 N/A 21 º

No Load Rotational Breakaway Torque

 N/A 1 to 24 in·lb

Ultimate Radial Static Load Capacity

 N/A 78,050 lbs

Approximate Brg. Weight

N/A 3.15 lb

Note

 N/A For dimensional tolerances of listed features, see the PDF version of the S222 suplement catalog under the "View Product Catalogs" tab from the home page.