The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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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.

  • Body - Alloy steel - heat treated - protective coated for corrosion resistance.
  • Ball - Alloy steel - heat treated - hard chrome plated.
  • Race - 17-4 PH stainless steel per AMS 5643 - heat treated.
  • PTFE Liner - (AT 3200) Permanently bonded to race inside diameter, qualified to SAE-AS81820 Type A.
  • Temperature range: -65°F to +325°F
ASM-T & ASB-T Image
Unit of Measure
1 

Part Number

Thread Type

B - Ball Bore

W - Ball Width

H - Head Width

A - Base to Center

D - Head Diameter

C - Thread Length

Thread Size

Ultimate Radial Static Load Capacity

CAD

PRXM-5T-1 N/A Right Hand N/A .3125 in N/A .437 in N/A .327 in N/A 2.687 in N/A 1.025 in N/A 1.750 in N/A 7/16-20 N/A 15,671 lbs N/A CAD
PRXB-5T-1 N/A Left Hand N/A .3125 in N/A .437 in N/A .327 in N/A 2.687 in N/A 1.025 in N/A 1.750 in N/A 7/16-20 N/A 15,671 lbs N/A CAD
PRXM-6T-4 N/A Right Hand N/A .3750 in N/A .500 in N/A .416 in N/A 2.750 in N/A 1.250 in N/A 1.750 in N/A 1/2-20 N/A 22,977 lbs N/A CAD
PRXB-6T-4 N/A Left Hand N/A .3750 in N/A .500 in N/A .416 in N/A 2.750 in N/A 1.250 in N/A 1.750 in N/A 1/2-20 N/A 22,977 lbs N/A CAD
PRXM-7T-1 N/A Right Hand N/A .4375 in N/A .562 in N/A .452 in N/A 2.500 in N/A 1.250 in N/A 1.437 in N/A 1/2-20 N/A 21,309 lbs N/A CAD
PRXB-7T-1 N/A Left Hand N/A .4375 in N/A .562 in N/A .452 in N/A 2.500 in N/A 1.250 in N/A 1.437 in N/A 1/2-20 N/A 21,309 lbs N/A CAD
Unit of Measure
1