Aerospace / Military Commercial / Industrial Technical Resources Online Catalog
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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.

  • Ball - Alloy steel - heat treated - hard chrome plated. Manufacturers option: 440C stainless steel - heat treated.
  • Race - 17-4 PH stainless steel  - heat treated - PTFE Lined.
  • PTFE liner - (AT 3200) Permanently bonded to race inside diameter. Qualified to SAE-AS81820 Type A.
  • Staking Groove is available. When a staking groove is required, specify by adding suffix "G". Ex.: PWB-5TG
Unit of Measure

Key Dimensions

Part Number

N/A PWB-5T

Bearing Type

N/A Plain

B - Ball Bore

N/A .3125 in

D - Outside Diameter

N/A .6875 in

W - Ball Width

N/A .437 in

H - Race Width

N/A .317 in

O - Ball Shoulder Diameter

N/A .401 in

Ball Diameter

N/A .593 in

a - Misalignment Angle

N/A 14 º

Radial Static Limit Load

N/A 9,400 lbs

Axial Static Limit Load Capacity

N/A 1,640 lb

No Load Rotational Breakaway Torque

N/A .25 to 8.0 in·lb

Approximate Brg. Weight

N/A .04 lb

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.