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This series features a molded race compound designed to provide low friction, low moisture absorbing properties.
  • Body - Low carbon steel, protective coated for corrosion resistance.
  • Ball - Alloy steel, heat treated, hard chrome plated.
  • Race - Molded, self-lubricating, reinforced Nylon.
  • Studded configuration available upon request. Specify by adding suffix "S". Ex.: SPW-8S.
Unit of Measure


Thread Type

N/A Left Hand

Thread Configuration

N/A Female

B - Ball Bore

N/A .4375 in

W - Ball Width

N/A .562 in

H - Head Width

N/A .437 in

A - Base to Center

N/A 1.812 in

D - Head Diameter

N/A 1.125 in

K - Shank Diameter

N/A .750 in

J - Wrench Flat Width

N/A .625 in

Ball Diameter

N/A .812 in

C - Thread Depth [inch]

N/A 1.062 in

Thread Size

N/A 7/16-20

Thread Class


a - Misalignment Angle Clevis Mounted

N/A 14 º

Ultimate Radial Static Load Capacity

N/A 5,350 lbs

Approximate Brg. Weight

N/A .19 lb


N/A Stud

SPW & SPG Note

SPW & SPG 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.