The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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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.
ASM-T & ASB-T Image
Unit of Measure
Items ASM-T & ASB-T Image
ASXM-4T
Aurora Bearing ASXM-T & ASXB-T Male Rod Ends 		ASM-T & ASB-T Image
ASXB-4T
Aurora Bearing ASXM-T & ASXB-T Male Rod Ends 		ASM-T & ASB-T Image
ASXMK-4T
Aurora Bearing ASXM-T & ASXB-T Male Rod Ends 		ASM-T & ASB-T Image
ASXBK-4T
Aurora Bearing ASXM-T & ASXB-T Male Rod Ends 		ASM-T & ASB-T Image
ASXM-4T-10
Aurora Bearing ASXM-T & ASXB-T Male Rod Ends
Thread Type N/A Right Hand N/A Left Hand N/A Right Hand N/A Left Hand N/A Right Hand
Thread Configuration N/A Male
B - Ball Bore N/A .2500 in N/A .2500 in N/A .2500 in N/A .2500 in N/A .2500 in
W - Ball Width N/A .375 in
H - Head Width N/A .337 in N/A .337 in N/A .337 in N/A .337 in N/A .337 in
A - Base to Center N/A 1.562 in N/A 1.562 in N/A 1.562 in N/A 1.562 in N/A 1.562 in
D - Head Diameter N/A .806 in N/A .806 in N/A .806 in N/A .806 in N/A .806 in
O - Ball Shoulder Diameter N/A .375 in
Ball Diameter N/A .531 in N/A .531 in N/A .531 in N/A .531 in N/A .531 in
G - Base to Center of Keyway Radius N/A N/A N/A .980 in N/A .980 in N/A
K - Keyway Width N/A N/A N/A .062 in N/A .062 in N/A
P - Keyway Depth N/A N/A N/A .268 in N/A .268 in N/A
C - Thread Length N/A .968 in N/A .968 in N/A .968 in N/A .968 in N/A .968 in
Thread Size N/A 5/16-24
Thread Class N/A UNJF-3A N/A UNJF-3A-LH N/A UNJF-3A N/A UNJF-3A-LH N/A UNJF-3A
a - Misalignment Angle N/A 5 º
No Load Rotational Breakaway Torque N/A .5 to 6 in·lb N/A .5 to 6 in·lb N/A .5 to 6 in·lb N/A .5 to 6 in·lb N/A .5 to 6 in·lb
Ultimate Radial Static Load Capacity N/A 7,356 lbs
Axial Proof Load N/A 1,000 lb N/A 1,000 lb N/A 1,000 lb N/A 1,000 lb N/A 1,000 lb
Approximate Brg. Weight N/A .07 lb
Keyway N/A N/A N/A Keyway N/A Keyway N/A