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  • PNB-TG and PNB-T product image
  • PWB-TG & PWB-T Dimensional Drawing

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
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Bearing Type

B - Ball Bore (in)

Radial Static Limit Load

Part Number

Bearing Type

B - Ball Bore

D - Outside Diameter

W - Ball Width

H - Race Width

a - Misalignment Angle

Radial Static Limit Load

CAD

PWB-3T N/A Plain N/A .1900 in N/A .6250 in N/A .437 in N/A .327 in N/A 15 º N/A 2,500 lbs N/A CAD Icon (for items table)
PWB-3TG N/A Grooved N/A .1900 in N/A .6250 in N/A .437 in N/A .327 in N/A 15 º N/A 2,500 lbs N/A CAD Icon (for items table)
PWB-4T N/A Plain N/A .2500 in N/A .6250 in N/A .437 in N/A .327 in N/A 15 º N/A 5,500 lbs N/A CAD Icon (for items table)
PWB-4TG N/A Grooved N/A .2500 in N/A .6250 in N/A .437 in N/A .327 in N/A 15 º N/A 5,500 lbs N/A CAD Icon (for items table)
PWB-5T N/A Plain N/A .3125 in N/A .6875 in N/A .437 in N/A .317 in N/A 14 º N/A 9,400 lbs N/A CAD Icon (for items table)
PWB-5TG N/A Grooved N/A .3125 in N/A .6875 in N/A .437 in N/A .317 in N/A 14 º N/A 9,400 lbs N/A CAD Icon (for items table)
PWB-6T N/A Plain N/A .3750 in N/A .8125 in N/A .500 in N/A .406 in N/A 8 º N/A 13,700 lbs N/A CAD Icon (for items table)
PWB-6TG N/A Grooved N/A .3750 in N/A .8125 in N/A .500 in N/A .406 in N/A 8 º N/A 13,700 lbs N/A CAD Icon (for items table)
PWB-7T N/A Plain N/A .4375 in N/A .9375 in N/A .562 in N/A .442 in N/A 10 º N/A 20,700 lbs N/A CAD Icon (for items table)
PWB-7TG N/A Grooved N/A .4375 in N/A .9375 in N/A .562 in N/A .442 in N/A 10 º N/A 20,700 lbs N/A CAD Icon (for items table)
PWB-8T N/A Plain N/A .5000 in N/A 1.0000 in N/A .625 in N/A .505 in N/A 9 º N/A 21,400 lbs N/A CAD Icon (for items table)
PWB-8TG N/A Grooved N/A .5000 in N/A 1.0000 in N/A .625 in N/A .505 in N/A 9 º N/A 21,400 lbs N/A CAD Icon (for items table)
PWB-9T N/A Plain N/A .5625 in N/A 1.1250 in N/A .687 in N/A .536 in N/A 10 º N/A 26,600 lbs N/A CAD Icon (for items table)
PWB-9TG N/A Grooved N/A .5625 in N/A 1.1250 in N/A .687 in N/A .536 in N/A 10 º N/A 26,600 lbs N/A CAD Icon (for items table)
PWB-10T N/A Plain N/A .6250 in N/A 1.1875 in N/A .750 in N/A .567 in N/A 12 º N/A 29,000 lbs N/A CAD Icon (for items table)
PWB-10TG N/A Grooved N/A .6250 in N/A 1.1875 in N/A .750 in N/A .567 in N/A 12 º N/A 29,000 lbs N/A CAD Icon (for items table)
PWB-12T N/A Plain N/A .7500 in N/A 1.3750 in N/A .875 in N/A .630 in N/A 13 º N/A 37,000 lbs N/A CAD Icon (for items table)
PWB-12TG N/A Grooved N/A .7500 in N/A 1.3750 in N/A .875 in N/A .630 in N/A 13 º N/A 37,000 lbs N/A CAD Icon (for items table)
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