The Timken Company - QUICK FLEX Complete Standard Coupling Assembly with High-Speed Cover

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	QF5 Assembly W/Red Standard Coupling with High-Speed Cover	QF5 Assembly W/Blue Standard Coupling with High-Speed Cover	QF5 Assembly W/White Standard Coupling with High-Speed Cover	QF15 Assembly W/Red Standard Coupling with High-Speed Cover	QF15 Assembly W/Blue Standard Coupling with High-Speed Cover
Pilot-Bore Diameter	N/A	N/A	N/A	N/A 17/32	N/A 17/32
Maximum Bore Size - Standard Keyway	N/A 25 mm1 1/4 in	N/A 25 mm1 1/4 in	N/A 25 mm1 1/4 in	N/A 40 mm1 5/8 in	N/A 40 mm1 5/8 in
Max. RPM	N/A 12000 rpm	N/A 12000 rpm	N/A 12000 rpm	N/A 9000 rpm	N/A 9000 rpm
Color	N/A Red	N/A Blue	N/A White	N/A Red	N/A Blue
Continuous Torque	N/A 43 N·m377 in·lb	N/A 93 N·m819 in·lb	N/A 93 N·m819 in·lb	N/A 120 N·m1059 in·lb	N/A 234 N·m2075 in·lb