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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.
  • Race -See 2D Sales drawing for details.
Unit of Measure

Key Dimensions

Bearing Type

 N/A Plain

Part Number

 N/A MIB-4T-4

B - Ball Bore

 N/A .2500 in

D - Outside Diameter

 N/A .6000 in

H - Race Width

 N/A .281 in

W - Ball Width

 N/A .375 in

O - Ball Shoulder Diameter

 N/A .331 in

M - Chamfer

 N/A .020 in

Ball Diameter

 N/A .500 in

a - Misalignment Angle

 N/A 14.5 º

Radial Static Limit Load Capacity

 N/A 5,620 lbs

Type of Lubrication

 N/A PTFE liner

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.