The Timken Company - Aurora Bearing PRM-T & PRB-T Series Male Rod Ends - PTFE Lined - Self-Lubricating

Smarter Bearing Selection Is Here

The Timken ^® Syber ^® Bearing System Designer Tool now features Smart Selection, enabling users to find the right bearing faster by filtering options based on target life and key dimensions.

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Analyze Bearing Performance in an Application with Timken ^® Syber ^® Bearing System Designer

A powerful software tool that combines calculators and configurators to assist you with application design, bearing selection, installation, and troubleshooting. It’s free, easy-to-use, and accessible 24/7.

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Simplified Gear Force Analysis

Alex Waye, Timken Application Engineer, shows you how to instantly compute tangential, radial, and axial forces for better design decisions.

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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 - 4340 steel - heat treated - protective coated for corrosion resistance.
Ball - Alloy steel - heat treated - hard chrome plated. Manufacturers option: 440C stainless steel - heat treated.
Race - 17-4 PH Stainless steel - heat treated.
PTFE liner - (AT3200) Permanently bonded to race inside diameter. Qualified to SAE-AS81820 Type A.

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Unit of Measure

Items	PRM-5T Aurora Bearing PRM-T & PRB-T Series Male Rod Ends - PTFE Lined - Self-Lubricating	PRB-5T Aurora Bearing PRM-T & PRB-T Series Male Rod Ends - PTFE Lined - Self-Lubricating	PRM-6T Aurora Bearing PRM-T & PRB-T Series Male Rod Ends - PTFE Lined - Self-Lubricating	PRB-6T Aurora Bearing PRM-T & PRB-T Series Male Rod Ends - PTFE Lined - Self-Lubricating	PRM-7T Aurora Bearing PRM-T & PRB-T Series Male Rod Ends - PTFE Lined - Self-Lubricating
Thread Type	N/A Right Hand	N/A Left Hand	N/A Right Hand	N/A Left Hand	N/A Right Hand
Thread Configuration	N/A Male
B - Ball Bore	N/A .3125 in	N/A .3125 in	N/A .3750 in	N/A .3750 in	N/A .4375 in
W - Ball Width	N/A .437 in	N/A .437 in	N/A .500 in	N/A .500 in	N/A .562 in
H - Head Width	N/A .327 in	N/A .327 in	N/A .416 in	N/A .416 in	N/A .452 in
A - Base to Center	N/A 1.875 in	N/A 1.875 in	N/A 1.938 in	N/A 1.938 in	N/A 2.125 in
D - Head Diameter	N/A .900 in	N/A .900 in	N/A 1.025 in	N/A 1.025 in	N/A 1.150 in
Ball Diameter	N/A .593 in	N/A .593 in	N/A .687 in	N/A .687 in	N/A .781 in
C - Thread Length	N/A 1.187 in	N/A 1.187 in	N/A 1.187 in	N/A 1.187 in	N/A 1.281 in
Thread Size	N/A 5/16-24	N/A 5/16-24	N/A 3/8-24	N/A 3/8-24	N/A 7/16-20
Thread Class	N/A UNJF-3A	N/A UNJF-3A-LH	N/A UNJF-3A	N/A UNJF-3A-LH	N/A UNJF-3A
a - Misalignment Angle	N/A 14 º	N/A 14 º	N/A 8 º	N/A 8 º	N/A 10 º
Ultimate Radial Static Load Capacity	N/A 8,330 lbs	N/A 8,330 lbs	N/A 10,946 lbs	N/A 10,946 lbs	N/A 14,049 lbs
No Load Rotational Breakaway Torque	N/A 1 to 15 in·lb
Approximate Brg. Weight	N/A .09 lb	N/A .09 lb	N/A .14 lb	N/A .14 lb	N/A .18 lb