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
1 2 3 

Part Number

Thread Type

B - Ball Bore

W - Ball Width

H - Head Width

A - Base to Center

D - Head Diameter

C - Thread Length

Thread Size

Ultimate Radial Static Load Capacity

CAD

ASXM-4T N/A Right Hand N/A .2500 in N/A .375 in N/A .337 in N/A 1.562 in N/A .806 in N/A .968 in N/A 5/16-24 N/A 7,356 lbs N/A
ASXB-4T N/A Left Hand N/A .2500 in N/A .375 in N/A .337 in N/A 1.562 in N/A .806 in N/A .968 in N/A 5/16-24 N/A 7,356 lbs N/A
ASXMK-4T N/A Right Hand N/A .2500 in N/A .375 in N/A .337 in N/A 1.562 in N/A .806 in N/A .968 in N/A 5/16-24 N/A 7,356 lbs N/A
ASXBK-4T N/A Left Hand N/A .2500 in N/A .375 in N/A .337 in N/A 1.562 in N/A .806 in N/A .968 in N/A 5/16-24 N/A 7,356 lbs N/A
ASXM-4T-10 N/A Right Hand N/A .2500 in N/A .375 in N/A .337 in N/A 1.562 in N/A .806 in N/A .968 in N/A 5/16-24 N/A 7,356 lbs N/A
ASXB-4T-10 N/A Left Hand N/A .2500 in N/A .375 in N/A .337 in N/A 1.562 in N/A .806 in N/A .968 in N/A 5/16-24 N/A 7,356 lbs N/A
ASXMK-4T-10 N/A Right Hand N/A .2500 in N/A .375 in N/A .337 in N/A 1.562 in N/A .806 in N/A .968 in N/A 5/16-24 N/A 7,356 lbs N/A
ASXBK-4T-10 N/A Left Hand N/A .2500 in N/A .375 in N/A .337 in N/A 1.562 in N/A .806 in N/A .968 in N/A 5/16-24 N/A 7,356 lbs N/A
ASXM-5T N/A Right Hand N/A .3125 in N/A .437 in N/A .327 in N/A 1.875 in N/A .900 in N/A 1.187 in N/A 3/8-24 N/A 8,895 lbs N/A
ASXB-5T N/A Left Hand N/A .3125 in N/A .437 in N/A .327 in N/A 1.875 in N/A .900 in N/A 1.187 in N/A 3/8-24 N/A 8,895 lbs N/A
ASXMK-5T N/A Right Hand N/A .3125 in N/A .437 in N/A .327 in N/A 1.875 in N/A .900 in N/A 1.187 in N/A 3/8-24 N/A 8,895 lbs N/A
ASXBK-5T N/A Left Hand N/A .3125 in N/A .437 in N/A .327 in N/A 1.875 in N/A .900 in N/A 1.187 in N/A 3/8-24 N/A 8,895 lbs N/A
ASXM-5T-10 N/A Right Hand N/A .3125 in N/A .437 in N/A .327 in N/A 1.875 in N/A .900 in N/A 1.187 in N/A 3/8-24 N/A 8,895 lbs N/A
ASXB-5T-10 N/A Left Hand N/A .3125 in N/A .437 in N/A .327 in N/A 1.875 in N/A .900 in N/A 1.187 in N/A 3/8-24 N/A 8,895 lbs N/A
ASXMK-5T-10 N/A Right Hand N/A .3125 in N/A .437 in N/A .327 in N/A 1.875 in N/A .900 in N/A 1.187 in N/A 3/8-24 N/A 8,895 lbs N/A
ASXBK-5T-10 N/A Left Hand N/A .3125 in N/A .437 in N/A .327 in N/A 1.875 in N/A .900 in N/A 1.187 in N/A 3/8-24 N/A 8,895 lbs N/A
ASXM-6T N/A Right Hand N/A .3750 in N/A .500 in N/A .416 in N/A 1.938 in N/A 1.025 in N/A 1.187 in N/A 7/16-20 N/A 10,680 lbs N/A
ASXB-6T N/A Left Hand N/A .3750 in N/A .500 in N/A .416 in N/A 1.938 in N/A 1.025 in N/A 1.187 in N/A 7/16-20 N/A 10,680 lbs N/A
ASXMK-6T N/A Right Hand N/A .3750 in N/A .500 in N/A .416 in N/A 1.938 in N/A 1.025 in N/A 1.187 in N/A 7/16-20 N/A 10,680 lbs N/A
ASXBK-6T N/A Left Hand N/A .3750 in N/A .500 in N/A .416 in N/A 1.938 in N/A 1.025 in N/A 1.187 in N/A 7/16-20 N/A 10,680 lbs N/A
ASXM-6T-10 N/A Right Hand N/A .3750 in N/A .500 in N/A .416 in N/A 1.938 in N/A 1.025 in N/A 1.187 in N/A 7/16-20 N/A 10,680 lbs N/A
ASXB-6T-10 N/A Left Hand N/A .3750 in N/A .500 in N/A .416 in N/A 1.938 in N/A 1.025 in N/A 1.187 in N/A 7/16-20 N/A 10,680 lbs N/A
ASXMK-6T-10 N/A Right Hand N/A .3750 in N/A .500 in N/A .416 in N/A 1.938 in N/A 1.025 in N/A 1.187 in N/A 7/16-20 N/A 10,680 lbs N/A
ASXBK-6T-10 N/A Left Hand N/A .3750 in N/A .500 in N/A .416 in N/A 1.938 in N/A 1.025 in N/A 1.187 in N/A 7/16-20 N/A 10,680 lbs N/A
ASXM-7T N/A Right Hand N/A .4375 in N/A .562 in N/A .452 in N/A 2.125 in N/A 1.150 in N/A 1.281 in N/A 1/2-20 N/A 13,697 lbs N/A
Unit of Measure
1 2 3