Aerospace / Military Commercial / Industrial Technical Resources Online Catalog
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  • Body - 4340 steel, heat treated, protective coated for corrosion resistance.
  • Ball - Alloy steel, heat treated, hard chrome plated.
  • Race - 17-4 PH stainless steel, heat treated.
  • PTFE liner - (AT 3200) Permanently bonded to race inside diameter. Qualified to SAE-AS81820.
Unit of Measure


Thread Type

N/A Right Hand

Thread Configuration

N/A Male

B - Ball Bore

N/A .4375 in

W - Ball Width

N/A .875 in

H - Head Width

N/A .355 in

A - Base to Center

N/A 2.438 in

D - Head Diameter

N/A 1.337 in

Ball Diameter

N/A .875 in

C - Thread Length

N/A 1.468 in

Thread Size

N/A 1/2-20

Thread Class


O - Ball Shoulder Diameter

N/A .618 in

a - Misalignment Angle

N/A 21 º

Ultimate Radial Static Load Capacity

N/A 17,105 lbs

Approximate Brg. Weight

N/A .24 lb



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.