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

697904341423 N/A FCX-5-HUB-3-3/4-7/8X7/16KW; N/A 3-3/4 in N/A 7/8X7/16 in 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
697904338461 N/A FCX-4-HUB-3-3/8-7/8X7/16KW; N/A 3-3/8 in N/A 7/8X7/16 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
697904335859 N/A FCX-3-HUB-3-5/16-7/8X7/16KW; N/A 3-5/16 in N/A 7/8X7/16 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
697904341447 N/A FCX-5-HUB-3-5/16-7/8X7/16KW; N/A 3-5/16 in N/A 7/8X7/16 in 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
697904338485 N/A FCX-4-HUB-3-5/8-7/8X7/16KW; N/A 3-5/8 in N/A 7/8X7/16 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
697904337150 N/A FCX-3.5-HUB-3-7/16-7/8X7/16KW; N/A 3-7/16 in N/A 7/8X7/16 in N/A 203,550 in·lb22,998 N·m N/A 3500 rpm N/A 4.19 in N/A 6.87 in174.5 mm N/A
697904339895 N/A FCX-4.5-HUB-3-7/8-1"X1/2KW; N/A 5-1/16 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
697904335903 N/A FCX-3-HUB-3-9/16-7/8X7/16KW; N/A 3-9/16 in N/A 7/8X7/16 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
697904338515 N/A FCX-4-HUB-3-9/16-7/8X7/16KW; N/A 3-9/16 in N/A 7/8X7/16 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
697904335910 N/A FCX-3-HUB-4"-1"X1/2KW; N/A 4 in N/A 1-1/2 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
697904339918 N/A FCX-4.5-HUB-4"-1"X1/2KW; N/A 5-15/16 in N/A 1-1/2 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
697904335934 N/A FCX-3-HUB-4-1/16-1"X1/2KW; N/A 4-1/16 in N/A 1-1/2 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
697904339925 N/A FCX-4.5-HUB-4-1/16-1"X1/2KW; N/A 5-3/8 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
697904339932 N/A FCX-4.5-HUB-4-1/2-1"X1/2KW; N/A 5-5/16 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
697904335941 N/A FCX-3-HUB-4-1/4-1"X1/2KW; N/A 4-1/4 in N/A 1-1/2 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
697904339949 N/A FCX-4.5-HUB-4-1/4-1"X1/2KW; N/A 5-7/16 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
697904337228 N/A FCX-3.5-HUB-4-1/8-1"X1/2KW; N/A 4-1/8 in N/A 1x1/2 in N/A 203,550 in·lb22,998 N·m N/A 3500 rpm N/A 4.19 in N/A 6.87 in174.5 mm N/A
697904341539 N/A FCX-5-HUB-4-1/8-1"X1/2KW; N/A 4-1/8 in N/A 1x1/2 in 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
697904339963 N/A FCX-4.5-HUB-4-11/16-1-1/4X5/8KW; N/A 6 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
697904337242 N/A FCX-3.5-HUB-4-13/16-1-1/4X5/8KW; N/A 4-13/16 in N/A 1-1/4x5/8 in N/A 203,550 in·lb22,998 N·m N/A 3500 rpm N/A 4.19 in N/A 6.87 in174.5 mm N/A
697904338584 N/A FCX-4-HUB-4-13/16-1-1/4X5/8KW; N/A 4-13/16 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
697904337259 N/A FCX-3.5-HUB-4-15/16-1-1/4X5/8KW; N/A 4-15/16 in N/A 1-1/4x5/8 in N/A 203,550 in·lb22,998 N·m N/A 3500 rpm N/A 4.19 in N/A 6.87 in174.5 mm N/A
697904338591 N/A FCX-4-HUB-4-15/16-1-1/4X5/8KW; N/A 4-15/16 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
697904335972 N/A FCX-3-HUB-4-3/16-1"X1/2KW; N/A 4-3/16 in N/A 1-1/2 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
697904338607 N/A FCX-4-HUB-4-3/16-1"X1/2KW; N/A 4-3/16 in N/A 1x1/2 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
Unit of Measure
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