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
697904333299	N/A FCX 4.5 HUB 3-1/8 3/4X3/8KW	N/A 3-1/8 in	N/A 3/4x3/8 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
697904333305	N/A FCX 3.5 HUB 3-11/16 7/8X7/16KW	N/A 3-11/16 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
697904333312	N/A FCX 4.5 HUB 3-11/16 7/8X7/16KW	N/A 3-11/16 in	N/A 7/8x7/16 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
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
697904333336	N/A FCX 5 HUB 3-15/16 1X1/2KW	N/A 3-15/16 in	N/A 1x1/2 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
697904333343	N/A FCX 3.5 HUB 3-3/16 3/4X3/8KW	N/A 3-3/16 in	N/A 3/4x3/8 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
697904333350	N/A FCX 4.5 HUB 3-3/16 3/4X3/8KW	N/A 3-3/16 in	N/A 3/4x3/8 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
697904333367	N/A FCX 3.5 HUB 3-3/4 7/8X7/16KW	N/A 3-3/4 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
697904333374	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 6.87 in174.5 mm	N/A
697904333381	N/A FCX 2.5 HUB 3-5/16 7/8X7/16KW	N/A 3-5/16 in	N/A 7/8x7/16 in	N/A 79,700 in·lb9,005 N·m	N/A 4400 rpm	N/A 3.03 in	N/A 4.97 in126.4 mm	N/A
697904333398	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
697904333404	N/A FCX 3.5 HUB 3-5/8 7/8X7/16KW	N/A 3-5/8 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
697904333411	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 6.87 in174.5 mm	N/A
697904333428	N/A FCX 3 HUB 3-7/8 1X1/2KW	N/A 3-7/8 in	N/A 1x1/2 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
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
697904333442	N/A FCX 5 HUB 3-7/8 1X1/2KW	N/A 3-7/8 in	N/A 1x1/2 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
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
697904333466	N/A FCX 4.5 HUB 4-3/16 1/1/2KW	N/A 4-3/16 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
697904333473	N/A FCX 5 HUB 4-9/16 1-1/4X5/8KW	N/A 4-9/16 in	N/A 1-1/4x5/8 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
697904333480	N/A FCX 4 HUB 5-1/4 1-1/4X5/8KW	N/A 5-1/4 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 6.87 in174.5 mm	N/A
697904333497	N/A FCX 5 HUB 5-3/16 1-1/4X5/8KW	N/A 5-3/16 in	N/A 1-1/4x5/8 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
697904333503	N/A FCX 4.5 HUB 6-3/16 1-1/2X3/4KW	N/A 6-3/16 in	N/A 1-1/2x3/4 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
697904333527	N/A FCX 4 HUB RSB	N/A	N/A	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
697904334364	N/A FCX 1 HUB 1-1/8 1/4X1/8KW	N/A 1-1/8 in	N/A 1/4x1/8 in	N/A 11,300 in·lb1,277 N·m	N/A 6000 rpm	N/A 1.690 in	N/A 2.49 in63.3 mm	N/A
697904334371	N/A FCX 2.5 HUB 1-15/16 1/2X1/4KW	N/A 1-15/16 in	N/A 1/2x1/4 in	N/A 79,700 in·lb9,005 N·m	N/A 4400 rpm	N/A 3.03 in	N/A 4.97 in126.4 mm	N/A

697904333299

N/A FCX 4.5 HUB 3-1/8 3/4X3/8KW

N/A 3-1/8 in

N/A 3/4x3/8 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

697904333305

N/A FCX 3.5 HUB 3-11/16 7/8X7/16KW

N/A 3-11/16 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

697904333312

N/A FCX 4.5 HUB 3-11/16 7/8X7/16KW

N/A 3-11/16 in

N/A 7/8x7/16 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

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

697904333336

N/A FCX 5 HUB 3-15/16 1X1/2KW

N/A 3-15/16 in

N/A 1x1/2 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

697904333343

N/A FCX 3.5 HUB 3-3/16 3/4X3/8KW

N/A 3-3/16 in

N/A 3/4x3/8 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

697904333350

N/A FCX 4.5 HUB 3-3/16 3/4X3/8KW

N/A 3-3/16 in

N/A 3/4x3/8 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

697904333367

N/A FCX 3.5 HUB 3-3/4 7/8X7/16KW

N/A 3-3/4 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

697904333374

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 6.87 in174.5 mm

N/A

697904333381

N/A FCX 2.5 HUB 3-5/16 7/8X7/16KW

N/A 3-5/16 in

N/A 7/8x7/16 in

N/A 79,700 in·lb9,005 N·m

N/A 4400 rpm

N/A 3.03 in

N/A 4.97 in126.4 mm

N/A

697904333398

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

697904333404

N/A FCX 3.5 HUB 3-5/8 7/8X7/16KW

N/A 3-5/8 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

697904333411

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 6.87 in174.5 mm

N/A

697904333428

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

N/A 3-7/8 in

N/A 1x1/2 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

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

697904333442

N/A FCX 5 HUB 3-7/8 1X1/2KW

N/A 3-7/8 in

N/A 1x1/2 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

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

697904333466

N/A FCX 4.5 HUB 4-3/16 1/1/2KW

N/A 4-3/16 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

697904333473

N/A FCX 5 HUB 4-9/16 1-1/4X5/8KW

N/A 4-9/16 in

N/A 1-1/4x5/8 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

697904333480

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

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

N/A

697904333497

N/A FCX 5 HUB 5-3/16 1-1/4X5/8KW

N/A 5-3/16 in

N/A 1-1/4x5/8 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

697904333503

N/A FCX 4.5 HUB 6-3/16 1-1/2X3/4KW

N/A 6-3/16 in

N/A 1-1/2x3/4 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

697904333527

N/A FCX 4 HUB RSB

N/A

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

697904334364

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

N/A 1-1/8 in

N/A 1/4x1/8 in

N/A 11,300 in·lb1,277 N·m

N/A 6000 rpm

N/A 1.690 in

N/A 2.49 in63.3 mm

N/A

697904334371

N/A FCX 2.5 HUB 1-15/16 1/2X1/4KW

N/A 1-15/16 in

N/A 1/2x1/4 in

N/A 79,700 in·lb9,005 N·m

N/A 4400 rpm

N/A 3.03 in

N/A 4.97 in126.4 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)