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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Metric 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 (W x D)

Nominal Torque

Max Speed (Unbalanced)

Length thru Bore

Dimension HD

CAD

Bore Size 

697904338850 N/A FCX-4-HUB-70MMP7-20X4.9MMKW N/A N/A 20X4.9MM mm N/A N/A 3000 rpm N/A 4.75 in N/A 8.1 in205.7 mm N/A N/A 70MM mm
697904336023 N/A FCX-3-HUB-55MMP7-16X4.3MMKW N/A N/A 16X4.3MM mm N/A N/A 4000 rpm N/A 3.59 in N/A 5.88 in149.4 mm N/A N/A 55MM mm
697904337396 N/A FCX-3.5-HUB-60MMP7-18X4.4MMKW N/A 60 mm N/A 18X4.4MM mm N/A N/A 3500 rpm N/A 4.19 in N/A 6.87 in174.5 mm N/A N/A 60 mm
697904336047 N/A FCX-3-HUB-63MMP7-18X4.4MMKW N/A N/A 18X4.4MM mm N/A N/A 4000 rpm N/A 3.59 in N/A 5.88 in149.4 mm N/A N/A 63MM mm
697904336061 N/A FCX-3-HUB-70MMP7-20X4.9MMKW N/A N/A 20X4.9MM mm N/A N/A 4000 rpm N/A 3.59 in N/A 5.88 in149.4 mm N/A N/A 70MM mm
697904336078 N/A FCX-3-HUB-71MMP7-20X4.9MMKW N/A N/A 20X4.9MM mm N/A N/A 4000 rpm N/A 3.59 in N/A 5.88 in149.4 mm N/A N/A 71MM mm
697904334869 N/A FCX-2.5-HUB-75MMP7-20X4.9MMKW N/A N/A 20X4.9MM mm N/A N/A 4400 rpm N/A 3.03 in N/A 4.97 in126.4 mm N/A N/A 75 MM mm
697904340389 N/A FCX-4.5-HUB-80MMP7-22X5.4MMKW N/A N/A 22X5.4MM mm N/A N/A 2700 rpm N/A 5.31 in N/A 9.09 in230.9 mm N/A N/A 80MM mm
697904340396 N/A FCX-4.5-HUB-85MMP7-22X5.4MMKW N/A N/A 22X5.4MM mm N/A N/A 2700 rpm N/A 5.31 in N/A 9.09 in230.9 mm N/A N/A 85MM mm
697904337471 N/A FCX-3.5-HUB-90MMP7-25X5.4MMKW N/A 90 mm N/A 25X5.4MM mm N/A N/A 3500 rpm N/A 4.19 in N/A 6.87 in174.5 mm N/A N/A 90 mm
697904334838 N/A FCX-2.5-HUB-65MMP7-18X4.4MMKW N/A N/A 18X4.4MM mm N/A N/A 4400 rpm N/A 3.03 in N/A 4.97 in126.4 mm N/A N/A 65 MM mm
697904334852 N/A FCX-2.5-HUB-71MMP7-20X4.9MMKW N/A N/A 20X4.9MM mm N/A N/A 4400 rpm N/A 3.03 in N/A 4.97 in126.4 mm N/A N/A 71 MM mm
697904337440 N/A FCX-3.5-HUB-75MMP7-20X4.9MMKW N/A 75 mm N/A 20X4.9MM mm N/A N/A 3500 rpm N/A 4.19 in N/A 6.87 in174.5 mm N/A N/A 75 mm
697904342055 N/A FCX-5-HUB-80MMP7-22X5.4MMKW N/A N/A 22X5.4MM mm N/A N/A 2500 rpm N/A 6.03 in N/A 10.24 in260 mm N/A N/A 80MM mm
697904342062 N/A FCX-5-HUB-85MMP7-22X5.4MMKW N/A N/A 22X5.4MM mm N/A N/A 2500 rpm N/A 6.03 in N/A 10.24 in260 mm N/A N/A 85MM mm
697904338904 N/A FCX-4-HUB-90MMP7-25X5.4MMKW N/A N/A 25X5.4MM mm N/A N/A 3000 rpm N/A 4.75 in N/A 8.1 in205.7 mm N/A N/A 90MM mm
697904338911 N/A FCX-4-HUB-95MMP7-25X5.4MMKW N/A N/A 25X5.4MM mm N/A N/A 3000 rpm N/A 4.75 in N/A 8.1 in205.7 mm N/A N/A 95MM mm
697904337419 N/A FCX-3.5-HUB-65MMP7-18X4.4MMKW N/A 65 mm N/A 18X4.4MM mm N/A N/A 3500 rpm N/A 4.19 in N/A 6.87 in174.5 mm N/A N/A 65 mm
697904337426 N/A FCX-3.5-HUB-70MMP7-20X4.9MMKW N/A 70 mm N/A 20X4.9MM mm N/A N/A 3500 rpm N/A 4.19 in N/A 6.87 in174.5 mm N/A N/A 70 mm
697904338867 N/A FCX-4-HUB-71MMP7-20X4.9MMKW N/A N/A 20X4.9MM mm N/A N/A 3000 rpm N/A 4.75 in N/A 8.1 in205.7 mm N/A N/A 71MM mm
697904336085 N/A FCX-3-HUB-75MMP7-20X4.9MMKW N/A N/A 20X4.9MM mm N/A N/A 4000 rpm N/A 3.59 in N/A 5.88 in149.4 mm N/A N/A 75MM mm
697904338881 N/A FCX-4-HUB-80MMP7-22X5.4MMKW N/A N/A 22X5.4MM mm N/A N/A 3000 rpm N/A 4.75 in N/A 8.1 in205.7 mm N/A N/A 80MM mm
697904337464 N/A FCX-3.5-HUB-85MMP7-22X5.4MMKW N/A 85 mm N/A 22X5.4MM mm N/A N/A 3500 rpm N/A 4.19 in N/A 6.87 in174.5 mm N/A N/A 85 mm
697904338898 N/A FCX-4-HUB-85MMP7-22X5.4MMKW N/A N/A 22X5.4MM mm N/A N/A 3000 rpm N/A 4.75 in N/A 8.1 in205.7 mm N/A N/A 85MM mm
697904334890 N/A FCX-2.5-HUB-90MMP7-25X5.4MMKW N/A N/A 25X5.4MM mm N/A N/A 4400 rpm N/A 3.03 in N/A 4.97 in126.4 mm N/A N/A 90 MM mm
Unit of Measure
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