QUICK FLEX Flanged Spacer Hubs - Inch (Imperial) Bores On The Timken Company

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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QUICK FLEX single ended spacer couplings consist of one standard coupling hub, one flanged spacer hub, one spacer body, one insert, and one cover with included hardware.

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Bore Size (in)

Coupling Size

Keyway Size (in)

Part Number	Description	Bore Size	Coupling Size	Keyway Size (W x D)	CAD

88345043841	N/A QF3150SPHUBX6	N/A 6 in	N/A 3150	N/A 1-1/2X3/4 in	N/A
88345043844	N/A QF3150SPHUBX7	N/A 7 in	N/A 3150	N/A 1-3/4X3/4 in	N/A
88345043842	N/A QF3150SPHUBX6-1/2	N/A 6-1/2 in	N/A 3150	N/A 1-1/2X3/4 in	N/A
88345043843	N/A QF3150SPHUBX6-1/2U	N/A 6-1/2 in	N/A 3150	N/A 1-1/2X3/4 in	N/A
88345045509	N/A QF3150SPHUBXPB	N/A 2.5 in	N/A 3150	N/A NKW in	N/A
88345005187	N/A QF10260SPHUBXPB	N/A 2.5 in	N/A 10260	N/A NKW in	N/A

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1 1/2
1 1/8
1 3/4
1 7/8
1-1/16
1-1/2
1-1/4
1-1/8
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2 1/2
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2.5
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23/32
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3
3.325
3/4
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4.5
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6
6-1/2
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Bore Size (in)

Coupling Size

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Bore Size

Coupling Size

Keyway Size (W x D)

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