The Timken Company - Aurora Bearing COM-KH Series Spherical Bearings (PTFE Liners Available)

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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Ball - Alloy steel - heat treated - hard chrome plated.
Race - Alloy steel - heat treated - inside diameter protective coated for corrosion resistance - oil coated.
PTFE Liners available upon request. Specify by adding suffix "T". Ex.: COM-8TKH. (PTFE lined parts have no lubrication grooves in race. Lubrication holes are manufacturer's option.)

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Unit of Measure

Items	COM-3KH Aurora Bearing COM-KH Series Spherical Bearings (PTFE Liners Available)	COM-3TKH Aurora Bearing COM-KH Series Spherical Bearings (PTFE Liners Available)	COM-4KH Aurora Bearing COM-KH Series Spherical Bearings (PTFE Liners Available)	COM-4TKH Aurora Bearing COM-KH Series Spherical Bearings (PTFE Liners Available)	COM-5KH Aurora Bearing COM-KH Series Spherical Bearings (PTFE Liners Available)
B - Ball Bore	N/A .1900 in	N/A .1900 in	N/A .2500 in	N/A .2500 in	N/A .3125 in
D - Outside Diameter	N/A .5625 in	N/A .5625 in	N/A .6562 in	N/A .6562 in	N/A .7500 in
H - Race Width	N/A .218 in	N/A .218 in	N/A .250 in	N/A .250 in	N/A .281 in
W - Ball Width	N/A .281 in	N/A .281 in	N/A .343 in	N/A .343 in	N/A .375 in
O - Ball Shoulder Diameter	N/A .293 in	N/A .293 in	N/A .364 in	N/A .364 in	N/A .419 in
M - Chamfer	N/A .015 in	N/A .015 in	N/A .022 in	N/A .022 in	N/A .032 in
Ball Diameter	N/A .406 in	N/A .406 in	N/A .500 in	N/A .500 in	N/A .562 in
a - Misalignment Angle	N/A 11 º	N/A 11 º	N/A 13.5 º	N/A 13.5 º	N/A 12 º
Radial Static Limit Load	N/A 4,875 lbs	N/A 4,875 lbs	N/A 7,425 lbs	N/A 7,425 lbs	N/A 9,713 lbs
Approximate Brg. Weight	N/A .01 lb	N/A .01 lb	N/A .02 lb	N/A .02 lb	N/A .03 lb
Type of Lubrication	N/A None	N/A PTFE liner	N/A None	N/A PTFE liner	N/A None