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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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Unit of Measure
Items
Hexadrive Series

Model 12907 Spring-Loaded Driver Pulleys
Hexadrive Series

Model 12907 Spring-Loaded Driver Pulleys
Description  N/A 12907-1-1/8-PULLEY N/A 12907-1-3/8-PULLEY
Bore Diameter  N/A 1 1/8 in N/A 1 3/8 in
Keyway Size  N/A 1/4 x 1/8 in N/A 5/16 x 5/32 in
Model N/A 12907
Type N/A Adjustable Center - Driver
Belt Size N/A 2926V
Width N/A 3.560 in
Outside Diameter N/A 10.000 in
Max. Pitch Diameter (Dimension PD) N/A 9.700 in
Min. Pitch Diameter (Dimension PD) N/A 3.280 in
Overall Length N/A 6.440 in
Ratio N/A 3:1
Weight N/A 25.12 lb N/A 25.25 lb
Torque Capacity N/A 270.00 in·lb
Motor Power at 1,150 rpm N/A 5.00 hp
Motor Power at 1,750 rpm N/A 7.50 hp
UPC Number N/A 37336 N/A 21876
Cubic inches N/A 644.00000 in³