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
697904339789	N/A FCX 3.5 HUB 4-1/2 1X1/2KW	N/A 4-1/2 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
697904337068	N/A FCX 3.5 HUB 4-1/4 1X1/2KW	N/A 4-1/4 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
697904337075	N/A FCX 3.5 HUB 4-1/8 1X1/2KW	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
697904335828	N/A FCX 3.5 HUB 4-3/16 1X1/2KW	N/A 4-3/16 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
697904337112	N/A FCX 3.5 HUB 4-3/8 1X1/2KW	N/A 4-3/8 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
697904335842	N/A FCX 3.5 HUB 4-5/16 1X1/2KW	N/A 4-5/16 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
697904338478	N/A FCX 3.5 HUB 4-7/16 1X1/2KW	N/A 4-7/16 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
697904333329	N/A FCX 4 HUB 3-13/16 1X1/2KW	N/A 3-13/16 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 6.87 in174.5 mm	N/A
697904331219	N/A FCX 4 HUB 3-15/16 1X1/2KW	N/A 3-15/16 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 6.87 in174.5 mm	N/A
697904332223	N/A FCX 4 HUB 3-7/8 1X1/2KW	N/A 3-7/8 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 6.87 in174.5 mm	N/A
697904337044	N/A FCX 4 HUB 4" 1X1/2KW	N/A 4 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 6.87 in174.5 mm	N/A
697904335774	N/A FCX 4 HUB 4-1/16 1X1/2KW	N/A 4-1/16 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 6.87 in174.5 mm	N/A
697904341362	N/A FCX 4 HUB 4-1/2 1X1/2KW	N/A 4-1/2 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 6.87 in174.5 mm	N/A
697904338409	N/A FCX 4 HUB 4-1/4 1X1/2KW	N/A 4-1/4 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 6.87 in174.5 mm	N/A
697904338294	N/A FCX 4 HUB 4-1/8 1X1/2KW	N/A 4-1/8 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 6.87 in174.5 mm	N/A
697904337105	N/A FCX 4 HUB 4-3/16 1X1/2KW	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 6.87 in174.5 mm	N/A
697904339840	N/A FCX 4 HUB 4-3/8 1X1/2KW	N/A 4-3/8 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 6.87 in174.5 mm	N/A
697904337129	N/A FCX 4 HUB 4-5/16 1X1/2KW	N/A 4-5/16 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 6.87 in174.5 mm	N/A
697904339864	N/A FCX 4 HUB 4-7/16 1X1/2KW	N/A 4-7/16 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 6.87 in174.5 mm	N/A
697904334562	N/A FCX 4.5 HUB 3-13/16 1X1/2KW	N/A 3-13/16 in	N/A 1x1/2 in	N/A 427,460 in·lb48,296 N·m	N/A 2,700 rpm	N/A 5.31 in	N/A 9.09 in230.9 mm	N/A
697904332155	N/A FCX 4.5 HUB 3-15/16 1X1/2KW	N/A 3-15/16 in	N/A 1x1/2 in	N/A 427,460 in·lb48,296 N·m	N/A 2,700 rpm	N/A 5.31 in	N/A 9.09 in230.9 mm	N/A
697904333435	N/A FCX 4.5 HUB 3-7/8 1X1/2KW	N/A 3-7/8 in	N/A 1x1/2 in	N/A 427,460 in·lb48,296 N·m	N/A 2,700 rpm	N/A 5.31 in	N/A 9.09 in230.9 mm	N/A
697904338386	N/A FCX 4.5 HUB 4" 1X1/2KW	N/A 4 in	N/A 1x1/2 in	N/A 427,460 in·lb48,296 N·m	N/A 2,700 rpm	N/A 5.31 in	N/A 9.09 in230.9 mm	N/A
697904337051	N/A FCX 4.5 HUB 4-1/16 1X1/2KW	N/A 4-1/16 in	N/A 1x1/2 in	N/A 427,460 in·lb48,296 N·m	N/A 2,700 rpm	N/A 5.31 in	N/A 9.09 in230.9 mm	N/A
697904333459	N/A FCX 4.5 HUB 4-1/2 1X1/2KW	N/A 4-1/2 in	N/A 1x1/2 in	N/A 427,460 in·lb48,296 N·m	N/A 2,700 rpm	N/A 5.31 in	N/A 9.09 in230.9 mm	N/A

697904339789

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

N/A 4-1/2 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

697904337068

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

N/A 4-1/4 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

697904337075

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

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

697904335828

N/A FCX 3.5 HUB 4-3/16 1X1/2KW

N/A 4-3/16 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

697904337112

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

N/A 4-3/8 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

697904335842

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

N/A 4-5/16 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

697904338478

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

N/A 4-7/16 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

697904333329

N/A FCX 4 HUB 3-13/16 1X1/2KW

N/A 3-13/16 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 6.87 in174.5 mm

N/A

697904331219

N/A FCX 4 HUB 3-15/16 1X1/2KW

N/A 3-15/16 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 6.87 in174.5 mm

N/A

697904332223

N/A FCX 4 HUB 3-7/8 1X1/2KW

N/A 3-7/8 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 6.87 in174.5 mm

N/A

697904337044

N/A FCX 4 HUB 4" 1X1/2KW

N/A 4 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 6.87 in174.5 mm

N/A

697904335774

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

N/A 4-1/16 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 6.87 in174.5 mm

N/A

697904341362

N/A FCX 4 HUB 4-1/2 1X1/2KW

N/A 4-1/2 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 6.87 in174.5 mm

N/A

697904338409

N/A FCX 4 HUB 4-1/4 1X1/2KW

N/A 4-1/4 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 6.87 in174.5 mm

N/A

697904338294

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

N/A 4-1/8 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 6.87 in174.5 mm

N/A

697904337105

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

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 6.87 in174.5 mm

N/A

697904339840

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

N/A 4-3/8 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 6.87 in174.5 mm

N/A

697904337129

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

N/A 4-5/16 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 6.87 in174.5 mm

N/A

697904339864

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

N/A 4-7/16 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 6.87 in174.5 mm

N/A

697904334562

N/A FCX 4.5 HUB 3-13/16 1X1/2KW

N/A 3-13/16 in

N/A 1x1/2 in

N/A 427,460 in·lb48,296 N·m

N/A 2,700 rpm

N/A 5.31 in

N/A 9.09 in230.9 mm

N/A

697904332155

N/A FCX 4.5 HUB 3-15/16 1X1/2KW

N/A 3-15/16 in

N/A 1x1/2 in

N/A 427,460 in·lb48,296 N·m

N/A 2,700 rpm

N/A 5.31 in

N/A 9.09 in230.9 mm

N/A

697904333435

N/A FCX 4.5 HUB 3-7/8 1X1/2KW

N/A 3-7/8 in

N/A 1x1/2 in

N/A 427,460 in·lb48,296 N·m

N/A 2,700 rpm

N/A 5.31 in

N/A 9.09 in230.9 mm

N/A

697904338386

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

N/A 4 in

N/A 1x1/2 in

N/A 427,460 in·lb48,296 N·m

N/A 2,700 rpm

N/A 5.31 in

N/A 9.09 in230.9 mm

N/A

697904337051

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

N/A 4-1/16 in

N/A 1x1/2 in

N/A 427,460 in·lb48,296 N·m

N/A 2,700 rpm

N/A 5.31 in

N/A 9.09 in230.9 mm

N/A

697904333459

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

N/A 4-1/2 in

N/A 1x1/2 in

N/A 427,460 in·lb48,296 N·m

N/A 2,700 rpm

N/A 5.31 in

N/A 9.09 in230.9 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)