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

Smarter Bearing Selection Is Here

The Timken^® Syber^® Bearing System Designer Tool now features Smart Selection, enabling users to find the right bearing faster by filtering options based on target life and key dimensions.

Learn More

Analyze Bearing Performance in an Application with Timken^® Syber^® Bearing System Designer

A powerful software tool that combines calculators and configurators to assist you with application design, bearing selection, installation, and troubleshooting. It’s free, easy-to-use, and accessible 24/7.

Learn More

Part Number	Description	Bore Size	Keyway Size	Nominal Torque	Max Speed (Unbalanced)	Length thru Bore	Dimension HD	CAD
697904341423	N/A FCX-5-HUB-3-3/4-7/8X7/16KW;	N/A 3-3/4 in	N/A 7/8X7/16 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
697904338461	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 8.1 in205.7 mm	N/A
697904335859	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
697904341447	N/A FCX-5-HUB-3-5/16-7/8X7/16KW;	N/A 3-5/16 in	N/A 7/8X7/16 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
697904338485	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 8.1 in205.7 mm	N/A
697904337150	N/A FCX-3.5-HUB-3-7/16-7/8X7/16KW;	N/A 3-7/16 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
697904339895	N/A FCX-4.5-HUB-3-7/8-1"X1/2KW;	N/A 5-1/16 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
697904335903	N/A FCX-3-HUB-3-9/16-7/8X7/16KW;	N/A 3-9/16 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
697904338515	N/A FCX-4-HUB-3-9/16-7/8X7/16KW;	N/A 3-9/16 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
697904335910	N/A FCX-3-HUB-4"-1"X1/2KW;	N/A 4 in	N/A 1-1/2 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
697904339918	N/A FCX-4.5-HUB-4"-1"X1/2KW;	N/A 5-15/16 in	N/A 1-1/2 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
697904335934	N/A FCX-3-HUB-4-1/16-1"X1/2KW;	N/A 4-1/16 in	N/A 1-1/2 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
697904339925	N/A FCX-4.5-HUB-4-1/16-1"X1/2KW;	N/A 5-3/8 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
697904339932	N/A FCX-4.5-HUB-4-1/2-1"X1/2KW;	N/A 5-5/16 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
697904335941	N/A FCX-3-HUB-4-1/4-1"X1/2KW;	N/A 4-1/4 in	N/A 1-1/2 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
697904339949	N/A FCX-4.5-HUB-4-1/4-1"X1/2KW;	N/A 5-7/16 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
697904337228	N/A FCX-3.5-HUB-4-1/8-1"X1/2KW;	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
697904341539	N/A FCX-5-HUB-4-1/8-1"X1/2KW;	N/A 4-1/8 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
697904339963	N/A FCX-4.5-HUB-4-11/16-1-1/4X5/8KW;	N/A 6 in	N/A 1-1/4x5/8 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
697904337242	N/A FCX-3.5-HUB-4-13/16-1-1/4X5/8KW;	N/A 4-13/16 in	N/A 1-1/4x5/8 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
697904338584	N/A FCX-4-HUB-4-13/16-1-1/4X5/8KW;	N/A 4-13/16 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 8.1 in205.7 mm	N/A
697904337259	N/A FCX-3.5-HUB-4-15/16-1-1/4X5/8KW;	N/A 4-15/16 in	N/A 1-1/4x5/8 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
697904338591	N/A FCX-4-HUB-4-15/16-1-1/4X5/8KW;	N/A 4-15/16 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 8.1 in205.7 mm	N/A
697904335972	N/A FCX-3-HUB-4-3/16-1"X1/2KW;	N/A 4-3/16 in	N/A 1-1/2 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
697904338607	N/A FCX-4-HUB-4-3/16-1"X1/2KW;	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 8.1 in205.7 mm	N/A

Part Number

Description

Bore Size

Keyway Size

Nominal Torque

Max Speed (Unbalanced)

Length thru Bore

Dimension HD

CAD

697904341423

N/A FCX-5-HUB-3-3/4-7/8X7/16KW;

N/A 3-3/4 in

N/A 7/8X7/16 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

697904338461

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 8.1 in205.7 mm

N/A

697904335859

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

697904341447

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

N/A 3-5/16 in

N/A 7/8X7/16 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

697904338485

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 8.1 in205.7 mm

N/A

697904337150

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

N/A 3-7/16 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

697904339895

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

N/A 5-1/16 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

697904335903

N/A FCX-3-HUB-3-9/16-7/8X7/16KW;

N/A 3-9/16 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

697904338515

N/A FCX-4-HUB-3-9/16-7/8X7/16KW;

N/A 3-9/16 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

697904335910

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

N/A 4 in

N/A 1-1/2 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

697904339918

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

N/A 5-15/16 in

N/A 1-1/2 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

697904335934

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

N/A 4-1/16 in

N/A 1-1/2 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

697904339925

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

N/A 5-3/8 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

697904339932

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

N/A 5-5/16 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

697904335941

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

N/A 4-1/4 in

N/A 1-1/2 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

697904339949

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

N/A 5-7/16 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

697904337228

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

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

697904341539

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

N/A 4-1/8 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

697904339963

N/A FCX-4.5-HUB-4-11/16-1-1/4X5/8KW;

N/A 6 in

N/A 1-1/4x5/8 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

697904337242

N/A FCX-3.5-HUB-4-13/16-1-1/4X5/8KW;

N/A 4-13/16 in

N/A 1-1/4x5/8 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

697904338584

N/A FCX-4-HUB-4-13/16-1-1/4X5/8KW;

N/A 4-13/16 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 8.1 in205.7 mm

N/A

697904337259

N/A FCX-3.5-HUB-4-15/16-1-1/4X5/8KW;

N/A 4-15/16 in

N/A 1-1/4x5/8 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

697904338591

N/A FCX-4-HUB-4-15/16-1-1/4X5/8KW;

N/A 4-15/16 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 8.1 in205.7 mm

N/A

697904335972

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

N/A 4-3/16 in

N/A 1-1/2 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

697904338607

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

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 8.1 in205.7 mm

N/A

Required Fields ^*

Email ^*
First Name ^*
Last Name ^*
Company ^*
Department ^*
Country ^*
Zip/Postal Code ^*
Phone Number

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

Bore Size (in)

Keyway Size (in)

Keyway Size (mm)