HercuFlex Standard Hubs with Keyway - Inch (Imperial) Bore On The Timken Company

Part Number	Description	Bore Size	Keyway Size	Nominal Torque	Max Speed (Unbalanced)	Length thru Bore	Dimension HD	CAD
697904338676	N/A FCX-4-HUB-4-9/16-1-1/4X5/8KW	N/A	N/A	N/A 1,638,750 in·lb185154 N·m	N/A 2000 rpm	N/A 8.690 in	N/A 14.30 in363.3 mm	N/A
697904340051	N/A FCX-4.5-HUB-4-7/8-1-1/4X5/8KW	N/A 9-3/4 in	N/A 2-1/2X7/8 in	N/A 1,638,750 in·lb185154 N·m	N/A 2000 rpm	N/A 8.690 in	N/A 14.30 in363.3 mm	N/A
697904338669	N/A FCX-4-HUB-4-7/8-1-1/4X5/8KW	N/A 9 in	N/A 2X3/4 in	N/A 1,638,750 in·lb185154 N·m	N/A 2000 rpm	N/A 8.690 in	N/A 14.30 in363.3 mm	N/A
697904338638	N/A FCX-4-HUB-4-5/16-1"X1/2KW	N/A 7 in	N/A 1-3/4x3/4 in	N/A 1,638,750 in·lb185154 N·m	N/A 2000 rpm	N/A 8.690 in	N/A 14.30 in363.3 mm	N/A
697904346220	N/A FCX-7-HUB-10-2-1/2X7/8KW	N/A 10 in	N/A 2-1/2X7/8 in	N/A 1,638,750 in·lb185154 N·m	N/A 2000 rpm	N/A 8.690 in	N/A 14.30 in363.3 mm	N/A
697904337341	N/A FCX-3.5-HUB-4-9/16-1-1/4X5/8KW	N/A	N/A	N/A 1,207,500 in·lb136429 N·m	N/A 2,100 rpm	N/A 7.410 in	N/A 12.29 in312.2 mm	N/A
697904337327	N/A FCX-3.5-HUB-4-7/8-1-1/4X5/8KW	N/A 8 in	N/A 2X3/4 in	N/A 1,207,500 in·lb136429 N·m	N/A 2,100 rpm	N/A 7.410 in	N/A 12.29 in312.2 mm	N/A
697904337297	N/A FCX-3.5-HUB-4-5/16-1"X1/2KW	N/A 7 in	N/A 1-3/4x3/4 in	N/A 1,207,500 in·lb136429 N·m	N/A 2,100 rpm	N/A 7.410 in	N/A 12.29 in312.2 mm	N/A
697904336009	N/A FCX-3-HUB-48MMP7-14X3.8MMKW	N/A	N/A	N/A 771,300 in·lb87145 N·m	N/A 2200 rpm	N/A 6.910 in	N/A 11.28 in286.5 mm	N/A
697904340044	N/A FCX-4.5-HUB-4-7/16-1"X1/2KW	N/A 7-3/8 in	N/A 1-3/4x3/4 in	N/A 771,300 in·lb87145 N·m	N/A 2200 rpm	N/A 6.910 in	N/A 11.28 in286.5 mm	N/A
697904340037	N/A FCX-4.5-HUB-4-5/8-1-1/4X5/8KW	N/A 7-1/2 in	N/A 1-3/4x3/4 in	N/A 771,300 in·lb87145 N·m	N/A 2200 rpm	N/A 6.910 in	N/A 11.28 in286.5 mm	N/A
697904334753	N/A FCX-2.5-HUB-40MMP7-12X3.3MMKW	N/A 5-3/4 in	N/A 1-1/2x3/4 in	N/A 771,300 in·lb87145 N·m	N/A 2200 rpm	N/A 6.910 in	N/A 11.28 in286.5 mm	N/A
697904337334	N/A FCX-3.5-HUB-48MMP7-14X3.8MMKW	N/A	N/A	N/A 584,890 in·lb66,084 N·m	N/A 2500.00 rpm	N/A 6.03 in	N/A 10.24 in260 mm	N/A
697904341621	N/A FCX-5-HUB-4-7/16-1"X1/2KW	N/A 7-5/8 in	N/A 2X3/4 in	N/A 584,890 in·lb66,084 N·m	N/A 2500.00 rpm	N/A 6.03 in	N/A 10.24 in260 mm	N/A
697904338652	N/A FCX-4-HUB-4-7/16-1"X1/2KW	N/A 7-3/8 in	N/A 1-3/4x3/4 in	N/A 584,890 in·lb66,084 N·m	N/A 2500.00 rpm	N/A 6.03 in	N/A 10.24 in260 mm	N/A
697904337310	N/A FCX-3.5-HUB-4-7/16-1"X1/2KW	N/A 7-3/4 in	N/A 2X3/4 in	N/A 584,890 in·lb66,084 N·m	N/A 2500.00 rpm	N/A 6.03 in	N/A 10.24 in260 mm	N/A
697904331332	N/A FCX-1-HUB-45MMP7-14X3.8MMKW	N/A 7-1/8 in	N/A 1-3/4x3/4 in	N/A 584,890 in·lb66,084 N·m	N/A 2500.00 rpm	N/A 6.03 in	N/A 10.24 in260 mm	N/A
697904341614	N/A FCX-5-HUB-4-5/8-1-1/4X5/8KW	N/A 7-1/4 in	N/A 1-3/4x3/4 in	N/A 584,890 in·lb66,084 N·m	N/A 2500.00 rpm	N/A 6.03 in	N/A 10.24 in260 mm	N/A
697904338645	N/A FCX-4-HUB-4-5/8-1-1/4X5/8KW	N/A 7-1/2 in	N/A 1-3/4x3/4 in	N/A 584,890 in·lb66,084 N·m	N/A 2500.00 rpm	N/A 6.03 in	N/A 10.24 in260 mm	N/A
697904341591	N/A FCX-5-HUB-4-3/8-1"X1/2KW	N/A 7 in	N/A 1-3/4x3/4 in	N/A 584,890 in·lb66,084 N·m	N/A 2500.00 rpm	N/A 6.03 in	N/A 10.24 in260 mm	N/A
697904340013	N/A FCX-4.5-HUB-4-3/8-1"X1/2KW	N/A 6-9/16 in	N/A 1-3/4x3/4 in	N/A 584,890 in·lb66,084 N·m	N/A 2500.00 rpm	N/A 6.03 in	N/A 10.24 in260 mm	N/A
697904337280	N/A FCX-3.5-HUB-4-3/8-1"X1/2KW	N/A 6-7/8 in	N/A 1-3/4x3/4 in	N/A 584,890 in·lb66,084 N·m	N/A 2500.00 rpm	N/A 6.03 in	N/A 10.24 in260 mm	N/A
697904341584	N/A FCX-5-HUB-4-3/4-1-1/4X5/8KW	N/A 6-7/16 in	N/A 1-1/2x3/4 in	N/A 584,890 in·lb66,084 N·m	N/A 2500.00 rpm	N/A 6.03 in	N/A 10.24 in260 mm	N/A
697904338614	N/A FCX-4-HUB-4-3/4-1-1/4X5/8KW	N/A 6-5/8 in	N/A 1-3/4x3/4 in	N/A 584,890 in·lb66,084 N·m	N/A 2500.00 rpm	N/A 6.03 in	N/A 10.24 in260 mm	N/A
697904341577	N/A FCX-5-HUB-4-3/16-1"X1/2KW	N/A 6-5/16 in	N/A 1-1/2x3/4 in	N/A 584,890 in·lb66,084 N·m	N/A 2500.00 rpm	N/A 6.03 in	N/A 10.24 in260 mm	N/A

697904338676

N/A FCX-4-HUB-4-9/16-1-1/4X5/8KW

N/A

N/A 1,638,750 in·lb185154 N·m

N/A 2000 rpm

N/A 8.690 in

N/A 14.30 in363.3 mm

N/A

697904340051

N/A FCX-4.5-HUB-4-7/8-1-1/4X5/8KW

N/A 9-3/4 in

N/A 2-1/2X7/8 in

N/A 1,638,750 in·lb185154 N·m

N/A 2000 rpm

N/A 8.690 in

N/A 14.30 in363.3 mm

N/A

697904338669

N/A FCX-4-HUB-4-7/8-1-1/4X5/8KW

N/A 9 in

N/A 2X3/4 in

N/A 1,638,750 in·lb185154 N·m

N/A 2000 rpm

N/A 8.690 in

N/A 14.30 in363.3 mm

N/A

697904338638

N/A FCX-4-HUB-4-5/16-1"X1/2KW

N/A 7 in

N/A 1-3/4x3/4 in

N/A 1,638,750 in·lb185154 N·m

N/A 2000 rpm

N/A 8.690 in

N/A 14.30 in363.3 mm

N/A

697904346220

N/A FCX-7-HUB-10-2-1/2X7/8KW

N/A 10 in

N/A 2-1/2X7/8 in

N/A 1,638,750 in·lb185154 N·m

N/A 2000 rpm

N/A 8.690 in

N/A 14.30 in363.3 mm

N/A

697904337341

N/A FCX-3.5-HUB-4-9/16-1-1/4X5/8KW

N/A

N/A 1,207,500 in·lb136429 N·m

N/A 2,100 rpm

N/A 7.410 in

N/A 12.29 in312.2 mm

N/A

697904337327

N/A FCX-3.5-HUB-4-7/8-1-1/4X5/8KW

N/A 8 in

N/A 2X3/4 in

N/A 1,207,500 in·lb136429 N·m

N/A 2,100 rpm

N/A 7.410 in

N/A 12.29 in312.2 mm

N/A

697904337297

N/A FCX-3.5-HUB-4-5/16-1"X1/2KW

N/A 7 in

N/A 1-3/4x3/4 in

N/A 1,207,500 in·lb136429 N·m

N/A 2,100 rpm

N/A 7.410 in

N/A 12.29 in312.2 mm

N/A

697904336009

N/A FCX-3-HUB-48MMP7-14X3.8MMKW

N/A

N/A 771,300 in·lb87145 N·m

N/A 2200 rpm

N/A 6.910 in

N/A 11.28 in286.5 mm

N/A

697904340044

N/A FCX-4.5-HUB-4-7/16-1"X1/2KW

N/A 7-3/8 in

N/A 1-3/4x3/4 in

N/A 771,300 in·lb87145 N·m

N/A 2200 rpm

N/A 6.910 in

N/A 11.28 in286.5 mm

N/A

697904340037

N/A FCX-4.5-HUB-4-5/8-1-1/4X5/8KW

N/A 7-1/2 in

N/A 1-3/4x3/4 in

N/A 771,300 in·lb87145 N·m

N/A 2200 rpm

N/A 6.910 in

N/A 11.28 in286.5 mm

N/A

697904334753

N/A FCX-2.5-HUB-40MMP7-12X3.3MMKW

N/A 5-3/4 in

N/A 1-1/2x3/4 in

N/A 771,300 in·lb87145 N·m

N/A 2200 rpm

N/A 6.910 in

N/A 11.28 in286.5 mm

N/A

697904337334

N/A FCX-3.5-HUB-48MMP7-14X3.8MMKW

N/A

N/A 584,890 in·lb66,084 N·m

N/A 2500.00 rpm

N/A 6.03 in

N/A 10.24 in260 mm

N/A

697904341621

N/A FCX-5-HUB-4-7/16-1"X1/2KW

N/A 7-5/8 in

N/A 2X3/4 in

N/A 584,890 in·lb66,084 N·m

N/A 2500.00 rpm

N/A 6.03 in

N/A 10.24 in260 mm

N/A

697904338652

N/A FCX-4-HUB-4-7/16-1"X1/2KW

N/A 7-3/8 in

N/A 1-3/4x3/4 in

N/A 584,890 in·lb66,084 N·m

N/A 2500.00 rpm

N/A 6.03 in

N/A 10.24 in260 mm

N/A

697904337310

N/A FCX-3.5-HUB-4-7/16-1"X1/2KW

N/A 7-3/4 in

N/A 2X3/4 in

N/A 584,890 in·lb66,084 N·m

N/A 2500.00 rpm

N/A 6.03 in

N/A 10.24 in260 mm

N/A

697904331332

N/A FCX-1-HUB-45MMP7-14X3.8MMKW

N/A 7-1/8 in

N/A 1-3/4x3/4 in

N/A 584,890 in·lb66,084 N·m

N/A 2500.00 rpm

N/A 6.03 in

N/A 10.24 in260 mm

N/A

697904341614

N/A FCX-5-HUB-4-5/8-1-1/4X5/8KW

N/A 7-1/4 in

N/A 1-3/4x3/4 in

N/A 584,890 in·lb66,084 N·m

N/A 2500.00 rpm

N/A 6.03 in

N/A 10.24 in260 mm

N/A

697904338645

N/A FCX-4-HUB-4-5/8-1-1/4X5/8KW

N/A 7-1/2 in

N/A 1-3/4x3/4 in

N/A 584,890 in·lb66,084 N·m

N/A 2500.00 rpm

N/A 6.03 in

N/A 10.24 in260 mm

N/A

697904341591

N/A FCX-5-HUB-4-3/8-1"X1/2KW

N/A 7 in

N/A 1-3/4x3/4 in

N/A 584,890 in·lb66,084 N·m

N/A 2500.00 rpm

N/A 6.03 in

N/A 10.24 in260 mm

N/A

697904340013

N/A FCX-4.5-HUB-4-3/8-1"X1/2KW

N/A 6-9/16 in

N/A 1-3/4x3/4 in

N/A 584,890 in·lb66,084 N·m

N/A 2500.00 rpm

N/A 6.03 in

N/A 10.24 in260 mm

N/A

697904337280

N/A FCX-3.5-HUB-4-3/8-1"X1/2KW

N/A 6-7/8 in

N/A 1-3/4x3/4 in

N/A 584,890 in·lb66,084 N·m

N/A 2500.00 rpm

N/A 6.03 in

N/A 10.24 in260 mm

N/A

697904341584

N/A FCX-5-HUB-4-3/4-1-1/4X5/8KW

N/A 6-7/16 in

N/A 1-1/2x3/4 in

N/A 584,890 in·lb66,084 N·m

N/A 2500.00 rpm

N/A 6.03 in

N/A 10.24 in260 mm

N/A

697904338614

N/A FCX-4-HUB-4-3/4-1-1/4X5/8KW

N/A 6-5/8 in

N/A 1-3/4x3/4 in

N/A 584,890 in·lb66,084 N·m

N/A 2500.00 rpm

N/A 6.03 in

N/A 10.24 in260 mm

N/A

697904341577

N/A FCX-5-HUB-4-3/16-1"X1/2KW

N/A 6-5/16 in

N/A 1-1/2x3/4 in

N/A 584,890 in·lb66,084 N·m

N/A 2500.00 rpm

N/A 6.03 in

N/A 10.24 in260 mm

N/A

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No Preference
0
1
10
11/16
1-1/16
1-1/2
1-1/4
1-1/8
1-11/16
1-13/16
1-15/16
13/16
1-3/16
1-3/4
1-3/8
15/16
1-5/16
1-5/8
1-7/16
1-7/8
1-9/16
2
2-1/16
2-1/2
2-1/4
2-1/8
2-11/16
2-13/16
2-15/16
2-3/16
2-3/4
2-3/8
2-5/16
2-5/8
2-7/16
2-7/8
2-9/16
3
3/4
3-1/16
3-1/2
3-1/4
3-1/8
3-11/16
3-13/16
3-15/16
3-3/16
3-3/4
3-3/8
3-5/16
3-5/8
3-7/16
3-7/8
3-9/16
4
4-1/16
4-1/2
4-1/4
4-1/8
4-11/16
4-13/16
4-15/16
4-3/16
4-3/4
4-3/8
4-5/16
4-5/8
4-7/16
4-7/8
4-9/16
5
5/8
5-1/16
5-1/2
5-1/4
5-1/8
5-11/16
5-13/16
5-15/16
5-3/16
5-3/4
5-3/8
5-5/16
5-5/8
5-7/16
5-7/8
5-9/16
6
6.9375
6-1/16
6-1/2
6-1/4
6-1/8
6-11/16
6-13/16
6-3/16
6-3/4
6-3/8
6-5/16
6-5/8
6-7/16
6-7/8
6-9/16
7
7/8
7-1/2
7-1/4
7-1/8
7-3/4
7-3/8
7-5/8
8
9
9-3/4

No Preference
1/2x1/4
1/4
1/4x1/8
1-1/2
1-1/2x3/4
1-1/4
1-1/4x5/8
1-14X5/8
1-3/4x3/4
1x1/2
2-1/2X7/8
2X3/4
3/16x3/32
3/16X3/32K
3/4x3/8
3/8x3/16
3/8X3/16K
5/16x5/32
5/16X5/32K
5/8x5/16
7/8x7/16

Bore Size (in)

Keyway Size (in)