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
697904338546	N/A FCX-4-HUB-4-1/2-1"X1/2KW;	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 8.1 in205.7 mm	N/A
697904341515	N/A FCX-5-HUB-4-1/2-1"X1/2KW;	N/A 4-1/2 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
697904338553	N/A FCX-4-HUB-4-1/4-1"X1/2KW;	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 8.1 in205.7 mm	N/A
697904335958	N/A FCX-3-HUB-4-1/8-1"X1/2KW;	N/A 4-1/8 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
697904339956	N/A FCX-4.5-HUB-4-1/8-1"X1/2KW;	N/A 5-9/16 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
697904338300	N/A FCX-4-HUB-2-13/16-3/4X3/8KW;	N/A 2-13/16 in	N/A 3/4X3/8 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
697904333268	N/A FCX-2-HUB-2-3/16-1/4X1/8KW;	N/A 2-3/16 in	N/A 1/4x1/8 in	N/A 26,100 in·lb2,949 N·m	N/A 5500 rpm	N/A 2.44 in	N/A 3.29 in83.5 mm	N/A
697904332117	N/A FCX-1.5-HUB-2-3/8-5/8X5/16KW;	N/A 2 3/8 in	N/A 5/8X5/16 in	N/A 26,100 in·lb2,949 N·m	N/A 5500 rpm	N/A 1.94 in	N/A 3.29 in83.5 mm	N/A
697904333312	N/A FCX-2-HUB-2-5/16-5/8X5/16KW;	N/A 2-5/16 in	N/A 5/8X5/16 in	N/A 26,100 in·lb2,949 N·m	N/A 5500 rpm	N/A 2.44 in	N/A 3.29 in83.5 mm	N/A
697904334562	N/A FCX-2.5-HUB-2-5/8-5/8X5/16KW;	N/A 3-13/16 in	N/A 5/8X5/16 in	N/A 9005 N·m	N/A 4400 rpm	N/A 3.03 in	N/A 4.97 in126.4 mm	N/A
697904333350	N/A FCX-2-HUB-2-7/16-5/8X5/16KW;	N/A 2-7/16 in	N/A 5/8X5/16 in	N/A 26,100 in·lb2,949 N·m	N/A 5500 rpm	N/A 2.44 in	N/A 3.29 in83.5 mm	N/A
697904334586	N/A FCX-2.5-HUB-2-7/8-3/4X3/8KW;	N/A 3-3/4 in	N/A 3/4X3/8 in	N/A 9005 N·m	N/A 4400 rpm	N/A 3.03 in	N/A 4.97 in126.4 mm	N/A
697904337013	N/A FCX-3.5-HUB-2-9/16-5/8X5/16KW;	N/A 2-9/16 in	N/A 5/8X5/16 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
697904334609	N/A FCX-2.5-HUB-3"-3/4X3/8KW;	N/A 3-5/8 in	N/A 3/4X3/8 in	N/A 9005 N·m	N/A 4400 rpm	N/A 3.03 in	N/A 4.97 in126.4 mm	N/A
697904331264	N/A FCX-1-HUB-3/4-3/16X3/32KW;	N/A 3/4 in	N/A 3/16X3/32 in	N/A 11,300 in·lb1,277 N·m	N/A 6000 rpm	N/A 1.69 in	N/A 2.49 in63.3 mm	N/A
697904339765	N/A FCX-4.5-HUB-3-1/16-3/4X3/8KW;	N/A 3-9/16 in	N/A 3/4X3/8 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
697904338386	N/A FCX-4-HUB-3-1/2-7/8X7/16KW;	N/A 3-1/2 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
697904337051	N/A FCX-3.5-HUB-3-1/4-3/4X3/8KW;	N/A 3-1/4 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
697904333459	N/A FCX-2-HUB-3-1/8-3/4X3/8KW;	N/A 3-1/8 in	N/A 3/4X3/8 in	N/A 26,100 in·lb2,949 N·m	N/A 5500 rpm	N/A 2.44 in	N/A 3.29 in83.5 mm	N/A
697904339796	N/A FCX-4.5-HUB-3-1/8-3/4X3/8KW;	N/A 4-1/4 in	N/A 3/4X3/8 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
697904339802	N/A FCX-4.5-HUB-3-11/16-7/8X7/16KW;	N/A 4-1/8 in	N/A 7/8X7/16 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
697904337082	N/A FCX-3.5-HUB-3-13/16-1"X1/2KW;	N/A 3-13/16 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
697904335811	N/A FCX-3-HUB-3-15/16-1"X1/2KW;	N/A 3-15/16 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
697904341409	N/A FCX-5-HUB-3-15/16-1"X1/2KW;	N/A 3-15/16 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
697904338454	N/A FCX-4-HUB-3-3/4-7/8X7/16KW;	N/A 3-3/4 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

697904338546

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

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 8.1 in205.7 mm

N/A

697904341515

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

N/A 4-1/2 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

697904338553

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

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 8.1 in205.7 mm

N/A

697904335958

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

N/A 4-1/8 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

697904339956

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

N/A 5-9/16 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

697904338300

N/A FCX-4-HUB-2-13/16-3/4X3/8KW;

N/A 2-13/16 in

N/A 3/4X3/8 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

697904333268

N/A FCX-2-HUB-2-3/16-1/4X1/8KW;

N/A 2-3/16 in

N/A 1/4x1/8 in

N/A 26,100 in·lb2,949 N·m

N/A 5500 rpm

N/A 2.44 in

N/A 3.29 in83.5 mm

N/A

697904332117

N/A FCX-1.5-HUB-2-3/8-5/8X5/16KW;

N/A 2 3/8 in

N/A 5/8X5/16 in

N/A 26,100 in·lb2,949 N·m

N/A 5500 rpm

N/A 1.94 in

N/A 3.29 in83.5 mm

N/A

697904333312

N/A FCX-2-HUB-2-5/16-5/8X5/16KW;

N/A 2-5/16 in

N/A 5/8X5/16 in

N/A 26,100 in·lb2,949 N·m

N/A 5500 rpm

N/A 2.44 in

N/A 3.29 in83.5 mm

N/A

697904334562

N/A FCX-2.5-HUB-2-5/8-5/8X5/16KW;

N/A 3-13/16 in

N/A 5/8X5/16 in

N/A 9005 N·m

N/A 4400 rpm

N/A 3.03 in

N/A 4.97 in126.4 mm

N/A

697904333350

N/A FCX-2-HUB-2-7/16-5/8X5/16KW;

N/A 2-7/16 in

N/A 5/8X5/16 in

N/A 26,100 in·lb2,949 N·m

N/A 5500 rpm

N/A 2.44 in

N/A 3.29 in83.5 mm

N/A

697904334586

N/A FCX-2.5-HUB-2-7/8-3/4X3/8KW;

N/A 3-3/4 in

N/A 3/4X3/8 in

N/A 9005 N·m

N/A 4400 rpm

N/A 3.03 in

N/A 4.97 in126.4 mm

N/A

697904337013

N/A FCX-3.5-HUB-2-9/16-5/8X5/16KW;

N/A 2-9/16 in

N/A 5/8X5/16 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

697904334609

N/A FCX-2.5-HUB-3"-3/4X3/8KW;

N/A 3-5/8 in

N/A 3/4X3/8 in

N/A 9005 N·m

N/A 4400 rpm

N/A 3.03 in

N/A 4.97 in126.4 mm

N/A

697904331264

N/A FCX-1-HUB-3/4-3/16X3/32KW;

N/A 3/4 in

N/A 3/16X3/32 in

N/A 11,300 in·lb1,277 N·m

N/A 6000 rpm

N/A 1.69 in

N/A 2.49 in63.3 mm

N/A

697904339765

N/A FCX-4.5-HUB-3-1/16-3/4X3/8KW;

N/A 3-9/16 in

N/A 3/4X3/8 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

697904338386

N/A FCX-4-HUB-3-1/2-7/8X7/16KW;

N/A 3-1/2 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

697904337051

N/A FCX-3.5-HUB-3-1/4-3/4X3/8KW;

N/A 3-1/4 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

697904333459

N/A FCX-2-HUB-3-1/8-3/4X3/8KW;

N/A 3-1/8 in

N/A 3/4X3/8 in

N/A 26,100 in·lb2,949 N·m

N/A 5500 rpm

N/A 2.44 in

N/A 3.29 in83.5 mm

N/A

697904339796

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

N/A 4-1/4 in

N/A 3/4X3/8 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

697904339802

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

N/A 4-1/8 in

N/A 7/8X7/16 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

697904337082

N/A FCX-3.5-HUB-3-13/16-1"X1/2KW;

N/A 3-13/16 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

697904335811

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

N/A 3-15/16 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

697904341409

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

N/A 3-15/16 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

697904338454

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

N/A 3-3/4 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

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

No Preference
10MMX3.3MM
10X3.3MM
12MMX3.3MM
12X3.3MM
14MMX3.8MM
16MMX4.3MM
14X3.8MM
18MMX4.4MM
18X4.4MM
20X4.9MM
22X5.4MM
28X6.4MM
32X7.4MM
36X8.4MM
45MMX10.4
45MMX10.4MM
40X9.4MM
45X10.4MM
5MMX2.3MM
6MMX2.8MM
6X3.8MM
5X2.3MM
6X2.8MM
8MMX3.3MM
8X3.3MM

Bore Size (in)

Keyway Size (in)

Keyway Size (mm)