The Timken Company - Aurora Bearing MIB 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 - Low carbon steel - inside diameter protective coated for corrosion resistance - oil coated.
PTFE Liners available upon request. Specify by adding suffix "T". Ex.: MIB-8T. (PTFE lined parts have no lubrication grooves in race. Lubrication holes are manufacturer's option.)

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Unit of Measure

Items	MIB-2 Aurora Bearing MIB Series Spherical Bearings (PTFE Liners Available)	MIB-2T Aurora Bearing MIB Series Spherical Bearings (PTFE Liners Available)	MIB-3 Aurora Bearing MIB Series Spherical Bearings (PTFE Liners Available)	MIB-3T Aurora Bearing MIB Series Spherical Bearings (PTFE Liners Available)	MIB-4 Aurora Bearing MIB Series Spherical Bearings (PTFE Liners Available)
B - Ball Bore	N/A .1250 in	N/A .1250 in	N/A .1900 in	N/A .1900 in	N/A .2500 in
D - Outside Diameter	N/A .4062 in	N/A .4062 in	N/A .5312 in	N/A .5312 in	N/A .6094 in
H - Race Width	N/A .187 in	N/A .187 in	N/A .250 in	N/A .250 in	N/A .281 in
W - Ball Width	N/A .250 in	N/A .250 in	N/A .312 in	N/A .312 in	N/A .375 in
O - Ball Shoulder Diameter	N/A .187 in	N/A .187 in	N/A .307 in	N/A .307 in	N/A .331 in
M - Chamfer	N/A .025 in	N/A .025 in	N/A .020 in	N/A .020 in	N/A .020 in
Ball Diameter	N/A .312 in	N/A .312 in	N/A .437 in	N/A .437 in	N/A .500 in
a - Misalignment Angle	N/A 17 º	N/A 17 º	N/A 10.5 º	N/A 10.5 º	N/A 14.5 º
Radial Static Limit Load	N/A 2,533 lbs	N/A 2,533 lbs	N/A 4,370 lbs	N/A 4,370 lbs	N/A 5,620 lbs
Approximate Brg. Weight	N/A .02 lb	N/A .02 lb	N/A .02 lb	N/A .02 lb	N/A .02 lb
Type of Lubrication	N/A None	N/A PTFE liner	N/A None	N/A PTFE liner	N/A None