The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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Imperial/Inch HercuFlex® Gear Couplings Hubs can be used for either FX (flanged style) or CX (continuous sleeve style).
FXCX HercuFlex Universal Hub Dim Drawing
Unit of Measure
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Part Number

Description 

Bore Size 

Keyway Size 

Nominal Torque

Max Speed (Unbalanced)

Length thru Bore

Dimension HD

CAD

697904338768 N/A FCX-4-HUB-5-3/16-1-1/4X5/8KW; N/A 5-3/16 in N/A 1-1/4x5/8 in40X9.4MM mm 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
697904338775 N/A FCX-4-HUB-5-3/4-1-1/2X3/4KW; N/A 5-3/4 in N/A 1-1/2X3/4 in40X9.4MM mm 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
697904331356 N/A FCX-1-HUB-5/8-3/16X3/32KW; N/A 5/8 in N/A 3/16X3/32 in28X6.4MM mm 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
697904338690 N/A FCX-4-HUB-5-1/16-1-1/4X5/8KW; N/A 5-1/6 in N/A 1-1/4x5/8 in32X7.4MM mm 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
697904340099 N/A FCX-4.5-HUB-5-1/2-1-1/4X5/8KW; N/A N/A 1-1/4x5/8 in32X7.4MM mm 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
697904341683 N/A FCX-5-HUB-5-1/4-1-1/4X5/8KW; N/A 5-1/4 in N/A 1-1/4x5/8 in32X7.4MM mm N/A 584,890 in·lb66,084 N·m N/A 2500 rpm N/A 6.03 in N/A 10.24 in260 mm N/A
697904340129 N/A FCX-4.5-HUB-5-11/16-1-1/2X3/4KW; N/A N/A 1-1/2X3/4 in32X7.4MM mm 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
697904340136 N/A FCX-4.5-HUB-5-13/16-1-1/2X3/4KW; N/A N/A 1-1/2X3/4 in36X8.4MM mm 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
697904341713 N/A FCX-5-HUB-5-13/16-1-1/2X3/4KW; N/A 5-13/16 in N/A 1-1/2X3/4 in36X8.4MM mm N/A 584,890 in·lb66,084 N·m N/A 2500 rpm N/A 6.03 in N/A 10.24 in260 mm N/A
697904341720 N/A FCX-5-HUB-5-15/16-1-1/2X3/4KW; N/A 5-15/16 in N/A 1-1/2X3/4 in40X9.4MM mm N/A 584,890 in·lb66,084 N·m N/A 2500 rpm N/A 6.03 in N/A 10.24 in260 mm N/A
697904343373 N/A FCX-5.5-HUB-5-3/4-1-1/2X3/4KW; N/A N/A 1-1/2X3/4 in40X9.4MM mm N/A N/A 3300 rpm N/A 6.91 in N/A 11.28 in286.5 mm N/A
697904340174 N/A FCX-4.5-HUB-5-3/8-1-1/4X5/8KW; N/A N/A 1-1/4x5/8 in45X10.4MM mm 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
697904338805 N/A FCX-4-HUB-5-5/8-1-1/2X3/4KW; N/A 5-5/8 in N/A 1-1/2X3/4 in45X10.4MM mm 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
697904347029 N/A FCX-7-HUB-9-3/4-2-1/2X7/8KW; N/A 9-3/4 in N/A 2-1/2X7/8 in22X5.4MM mm N/A 1,638,750 in·lb185154 N·m N/A 2000 rpm N/A 8.69 in N/A 14.3 in363.3 mm N/A
697904340198 N/A FCX-4.5-HUB-5-5/8-1-1/2X3/4KW; N/A N/A 1-1/2X3/4 in45MMX10.4 mm 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
697904341751 N/A FCX-5-HUB-5-3/8-1-1/4X5/8KW; N/A 5-3/8 in N/A 1-1/4x5/8 in45MMX10.4MM mm N/A 584,890 in·lb66,084 N·m N/A 2500 rpm N/A 6.03 in N/A 10.24 in260 mm N/A
Unit of Measure
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