Aerospace / Military Commercial / Industrial Technical Resources Online Catalog
Engineers power search our entire catalog of bearing and bushings, with access to every attribute and technical specification possible. View our online catalog...
  • Body - 4340 alloy steel per AMS 6415, heat treated, cadmium plated.
  • Ball - 440C stainless steel per AMS 5630, heat treated.
  • Race - 17-4 PH stainless steel per AMS 5643, 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
  • No load rotational breakaway torque can be varied to meet specific application requirements.
  • Keyways are available. Units are supplied without keyways. When a keyway is required, specify by adding suffix "K". Ex.: ATMK-3T.
  • 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.
  • Rod End Bearings listed are manufactured to conform to the dimensions, materials, and configurations of SAE-AS81935/4, and are approved for procurement under this specification.
Unit of Measure


Military Part No.

N/A M81935/4-08L

Thread Type

N/A Left Hand

Thread Configuration

N/A Male

B - Ball Bore

N/A .5000 in

W - Ball Width

N/A .500 in

H - Head Width

N/A .400 in

A - Base to Center

N/A 2.544 in

D - Head Diameter

N/A 1.459 in

O - Ball Shoulder Diameter

N/A .600 in

S - Max. Housing I.D.

N/A 1.0000 in

Ball Diameter

N/A .781 in

C - Thread Length

N/A 1.468 in

Thread Size

N/A 1/2-20

Thread Class


a - Misalignment Angle

N/A 8 º

Approximate Brg. Weight

N/A .285 lb

Ultimate Radial Static Load Capacity

N/A 24,200 lb

Fatique Load

N/A 6,800 lb

Axial Proof Load

N/A 2,040 lb

No Load Rotational Breakaway Torque

N/A 1 to 15 in·lb

ATM-T & ATB-T 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.