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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Imperial/Inch HercuFlex® Gear Couplings Hubs can be used for either FX (flanged style) or CX (continuous sleeve style).
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Bore Size  (in)

Keyway Size  (in)

Keyway Size  (mm)

Part Number

Description 

Bore Size 

Keyway Size 

Nominal Torque

Max Speed (Unbalanced)

Length thru Bore

Dimension HD

CAD

N/A FCX-1-HUB-1"-1/4X1/8KW; N/A 1 in N/A 1/4x1/8 in N/A 11,300 in·lb1,277 N·m N/A 6000 rpm N/A 1.69 in N/A 2.49 in63.3 mm N/A
N/A FCX-1.5-HUB-11/16-3/16X3/32KW; N/A 11/16 in N/A 3/16X3/32 in N/A 26,100 in·lb2,949 N·m N/A 5500 rpm N/A 1.94 in N/A 3.29 in83.5 mm N/A
N/A FCX-1-HUB-1-1/2-3/8X3/16KW; N/A 1-1/2 in N/A 3/8x3/16 in N/A 11,300 in·lb1,277 N·m N/A 6000 rpm N/A 1.69 in N/A 2.49 in63.3 mm N/A
N/A FCX-2.5-HUB-1-1/2-3/8X3/16KW; N/A 1-1/2 in N/A 3/8x3/16 in N/A 79,700 in·lb9005 N·m N/A 4400 rpm N/A 3.03 in N/A 4.97 in126.4 mm N/A
N/A FCX-1.5-HUB-1-1/4-1/4X1/8KW; N/A 1 1/4 in N/A 1/4x1/8 in N/A 26,100 in·lb2,949 N·m N/A 5500 rpm N/A 1.94 in N/A 3.29 in83.5 mm N/A
N/A FCX-1.5-HUB-1-13/16-1/2X1/4KW; N/A 1 13/16 in N/A 1/2X1/4 in N/A 26,100 in·lb2,949 N·m N/A 5500 rpm N/A 1.94 in N/A 3.29 in83.5 mm N/A
N/A FCX-3-HUB-1-13/16-1/2X1/4KW; N/A 1-13/16 in N/A 1/2X1/4 in N/A 135,700 in·lb15332 N·m N/A 4000 rpm N/A 3.59 in N/A 5.88 in149.4 mm N/A
N/A FCX-2.5-HUB-1-15/16-1/2X1/4KW; N/A 1-15/16 in N/A 1/2X1/4 in N/A 79,700 in·lb9005 N·m N/A 4400 rpm N/A 3.03 in N/A 4.97 in126.4 mm N/A
N/A FCX-2-HUB-1-3/16-1/4X1/8KW; N/A 1-3/16 in N/A 1/4x1/8 in N/A 44,850 in·lb5,067 N·m N/A 5000 rpm N/A 2.44 in N/A 3.29 in83.5 mm N/A
N/A FCX-1.5-HUB-1-3/4-3/8X3/16KW; N/A 1 3/4 in N/A 3/8x3/16 in N/A 26,100 in·lb2,949 N·m N/A 5500 rpm N/A 1.94 in N/A 3.29 in83.5 mm N/A
N/A FCX-2.5-HUB-2-15/16-3/4X3/8KW; N/A 2-15/16 in N/A 3/4X3/8 in N/A 79,700 in·lb9005 N·m N/A 4400 rpm N/A 3.03 in N/A 4.97 in126.4 mm N/A
N/A FCX-4.5-HUB-3-7/16-7/8X7/16KW; N/A 3-7/16 in N/A 7/8X7/16 in N/A 427,460 in·lb48,296 N·m N/A 2700 rpm N/A 5.31 in N/A 9.09 in230.9 mm N/A
N/A FCX-4.5-HUB-4-5/16-1"X1/2KW; N/A 4-5/16 in N/A 1x1/2 in N/A 427,460 in·lb48,296 N·m N/A 2700 rpm N/A 5.31 in N/A 9.09 in230.9 mm N/A
N/A FCX-4.5-HUB-4-9/16-1-1/4X5/8KW; N/A 4-9/16 in N/A 1-1/4x5/8 in N/A 427,460 in·lb48,296 N·m N/A 2700 rpm N/A 5.31 in N/A 9.09 in230.9 mm N/A
N/A FCX-4-HUB-5"-1-1/4X5/8KW; N/A 5 in N/A 1-1/4x5/8 in N/A 311,540 in·lb35,199 N·m N/A 3000 rpm N/A 4.75 in N/A 8.1 in205.7 mm N/A
N/A FCX-1.5-HUB-1"-1/4X1/8KW; N/A 1 in N/A 1/4x1/8 in N/A 26,100 in·lb2,949 N·m N/A 5500 rpm N/A 1.94 in N/A 3.29 in83.5 mm N/A
N/A FCX-2-HUB-11/16-3/16X3/32KW; N/A 11/16 in N/A 3/16X3/32 in N/A 44,850 in·lb5,067 N·m N/A 5500 rpm N/A 2.44 in N/A 3.29 in83.5 mm N/A
N/A FCX-1.5-HUB-1-1/2-3/8X3/16KW; N/A 1 1/2 in N/A 3/8x3/16 in N/A 26,100 in·lb2,949 N·m N/A 5500 rpm N/A 1.94 in N/A 3.29 in83.5 mm N/A
N/A FCX-3-HUB-1-1/2-3/8X3/16KW; N/A 1-1/2 in N/A 3/8x3/16 in N/A 135,700 in·lb15332 N·m N/A 4000 rpm N/A 3.59 in N/A 5.88 in149.4 mm N/A
N/A FCX-2-HUB-1-1/4-1/4X1/8KW; N/A 1-1/4 in N/A 1/4x1/8 in N/A 44,850 in·lb5,067 N·m N/A 5500 rpm N/A 2.44 in N/A 3.29 in83.5 mm N/A
N/A FCX-1.5-HUB-1-11/16-3/8X3/16KW; N/A 1 11/16 in N/A 3/8x3/16 in N/A 26,100 in·lb2,949 N·m N/A 5500 rpm N/A 1.94 in N/A 3.29 in83.5 mm N/A
N/A FCX-2-HUB-1-13/16-1/2X1/4KW; N/A 1-13/16 in N/A 1/2X1/4 in N/A 44,850 in·lb5,067 N·m N/A 5500 rpm N/A 2.44 in N/A 3.29 in83.5 mm N/A
N/A FCX-1.5-HUB-1-15/16-1/2X1/4KW; N/A 1 15/16 in N/A 1/4x1/8 in N/A 26,100 in·lb2,949 N·m N/A 5500 rpm N/A 1.94 in N/A 3.29 in83.5 mm N/A
N/A FCX-3-HUB-1-15/16-1/2X1/4KW; N/A 1-15/16 in N/A 1/2X1/4 in N/A 135,700 in·lb15332 N·m N/A 4000 rpm N/A 3.59 in N/A 5.88 in149.4 mm N/A
N/A FCX-1-HUB-13/16-3/16X3/32KW; N/A 13/16 in N/A 3/16X3/32 in N/A 11,300 in·lb1,277 N·m N/A 6000 rpm N/A 1.69 in N/A 2.49 in63.3 mm N/A
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