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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.

    Standard Configuration:
  • Body - 4340 alloy steel - heat treated - cadmium plated.
  • Ball - 440C stainless steel - heat treated - chrome plated (MFG. option).
  • Race - 17-4 PH stainless steel - heat treated.
    • -10 Configuration:
  • Body - 17-4 PH stainless steel - heat treated.
  • 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.
  • Temperature range: -65°F to +325°F
  • Keyways are available. Units are supplied without keyways. When a keyway is required, specify by adding suffix "K". Ex.: ASXMK-4T.
  • As applicable, keyways will conform to SAE-AS81935/3 or NAS 559.
  • All threads are rolled after heat treatment, and conform to UNJF-3A per AS8879.
Unit of Measure

Key Dimensions

Part Number

 N/A ASXBK-7T

Thread Type

 N/A Left Hand

Thread Configuration

 N/A Male

B - Ball Bore

 N/A .4375 in

W - Ball Width

 N/A .562 in

H - Head Width

 N/A .452 in

A - Base to Center

 N/A 2.125 in

D - Head Diameter

 N/A 1.150 in

O - Ball Shoulder Diameter

 N/A .542 in

Ball Diameter

 N/A .781 in

G - Base to Center of Keyway Radius

 N/A 1.402 in

K - Keyway Width

 N/A .093 in

P - Keyway Depth

 N/A .445 in

C - Thread Length

 N/A 1.281 in

Thread Size

 N/A 1/2-20

Thread Class

 N/A UNJF-3A-LH

a - Misalignment Angle

 N/A 10 º

No Load Rotational Breakaway Torque

 N/A 1 to 10 in·lb

Ultimate Radial Static Load Capacity

 N/A 13,697 lbs

Axial Proof Load

 N/A 1,850 lb

Approximate Brg. Weight

N/A .21 lb

Keyway

 N/A Keyway

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."