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  • Body (M-Series) - Alloy steel, protective coated for corrosion resistance.
  • Body (A-Series) - Alloy steel, heat treated, protective coated for corrosion resistance.
  • Ball - Alloy steel, heat treated, hard chrome plated.
  • Race - Low carbon steel, PTFE lined.
Unit of Measure


Thread Type

N/A Left Hand

Thread Configuration

N/A Female

B - Ball Bore

N/A 1.2500 in

W - Ball Width

N/A 1.187 in

H - Head Width

N/A 1.000 in

A - Base to Center

N/A 4.125 in

D - Head Diameter

N/A 2.750 in

K - Shank Diameter

N/A 1.625 in

J - Wrench Flat Width

N/A 1.500 in

F - Wrench Flat Width

N/A .500 in

Ball Diameter

N/A 2.000 in

C - Thread Depth [inch]

N/A 2.125 in

Thread Size

N/A 1 1/4-12

Thread Class


a - Misalignment Angle Clevis Mounted

N/A 9.00 º

Ultimate Radial Static Load Capacity

N/A 65,047 lbs

Approximate Brg. Weight

N/A 2.13 lb

MW & MG Note

MW & MG 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.