The Timken Company - HercuFlex FX Rigid Hubs with Keyway - Inch (Imperial) Bore

Smarter Bearing Selection Is Here

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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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Imperial/Inch HercuFlex® Gear Couplings Hubs for FX (flanged style)

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Unit of Measure

Items	697904372205 HercuFlex FX Rigid Hubs with Keyway - Inch (Imperial) Bore	697904372182 HercuFlex FX Rigid Hubs with Keyway - Inch (Imperial) Bore	697904391596 HercuFlex FX Rigid Hubs with Keyway - Inch (Imperial) Bore	697904376265 HercuFlex FX Rigid Hubs with Keyway - Inch (Imperial) Bore	697904381504 HercuFlex FX Rigid Hubs with Keyway - Inch (Imperial) Bore
Description	N/A FX-1E-HUB-RGD-1-1/4-1/4X1/8KW	N/A FX-1E-HUB-RGD-1-1/8-1/4X1/8KW	N/A FX-1E-HUB-RGD-2-3/16-1/2X1/4KW	N/A FX-1.5E-HUB-RGD-1-7/8-1/2X1/4KW	N/A FX-2E-HUB-RGD-2-1/2-5/8X5/16KW
Bore Size	N/A 1-1/4 in	N/A 1-1/8 in	N/A 2-3/16 in	N/A 1-7/8 in	N/A 2-1/2 in
Type	N/A HercuFlex Gear Coupling Hub	N/A	N/A	N/A	N/A
Size	N/A 1 E	N/A 1 E	N/A 1 E	N/A 1.5 E	N/A 2 E
Hub Material	N/A AISI 1045
Set Screw Style Coupling Size (Dimension T)	N/A
Keyway Size (W x D)	N/A 1/4x1/8 in	N/A 1/4x1/8 in	N/A 1/2X1/4 in	N/A 1/2X1/4 in	N/A 5/8X5/16 in
Nominal Torque	N/A 11,300 in·lb1,277 N·m	N/A 11,300 in·lb1,277 N·m	N/A 11,300 in·lb1,277 N·m	N/A 26,100 in·lb2,949 N·m	N/A 44,850 in·lb5,067 N·m
Max Speed (Unbalanced)	N/A 6000 rpm	N/A 6000 rpm	N/A 6000 rpm	N/A 5500 rpm	N/A 5000 rpm
Length thru Bore	N/A 1.69 in	N/A 1.69 in	N/A 1.69 in	N/A 1.94 in	N/A 2.44 in
Style	N/A
Color	N/A Metallic
Depth	N/A 1.69 in42.9 mm	N/A 1.69 in42.9 mm	N/A 1.69 in42.9 mm	N/A 1.94 in49.3 mm	N/A 2.44 in62 mm
Max. Bore (Dimensions ID1/ID2)	N/A 1.875 in48 mm	N/A 1.875 in48 mm	N/A 1.875 in48 mm	N/A 2.438 in62 mm	N/A 3.063 in78 mm
Dimension HD	N/A 2.49 in63.3 mm	N/A 2.49 in63.3 mm	N/A 2.49 in63.3 mm	N/A 3.29 in83.5 mm	N/A 4.21 in106.9 mm
Coupling Type	N/A Gear
Weight	N/A
Cubic inches	N/A