Menu
Find Your Nearest Timken Sales Office or Authorized Distributor

Our locator tool helps you connect with the right Timken partner quickly. Registered users
can save their nearest Timken Sales office or distributor in their dashboard.

Try the Locator Tool
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
Explore Timken Engineering Tools
Videos on YouTube

Check out our Engineering Tools video playlist on YouTube. These short walkthroughs
help you navigate Timken calculation tools, selection guides and digital resources.

View the Full Playlist
Batch CAD Cart (0) ▾
  • Cart is empty
  1. Click Here for Batch Download
Request Information
Metric HercuFlex® Gear Couplings Hubs can be used for either FX (flanged style) or CX (continuous sleeve style).
Unit of Measure

Specifications

Description 

 N/A FCX-3.5-HUB-65MMP7-18X4.4MMKW

Type

 N/A HercuFlex® Gear Coupling Hub

Hub Material

 N/A AISI 1045

Style

 N/A Bored

Color

 N/A Metallic

Coupling Type

 N/A Gear

Dimensional Data

Bore Size

 N/A 65 mm

Size

 N/A 3.5

Keyway Size (W x D)

 N/A 18X4.4MM mm

Length thru Bore

 N/A 4.19 in

Depth

 N/A 4.19 in106.4 mm

Max. Bore

N/A 5 in127 mm

Dimension HD

 N/A 6.87 in174.5 mm

Dimension L1

 N/A 4.43 in112.522 mm

Dimension L2

 N/A 1.02 in25.908 mm

Dimension L3

 N/A 1.69 in42.926 mm

Dimension TW

 N/A 0.88 in22.352 mm

Bore Size 

 N/A 65 mm

Performance Data

Max Speed (Unbalanced)

 N/A 3500 rpm
By clicking Submit, you consent to the personal information you provide being used in the manner as described in our Privacy Notice, including access to that information by Timken personnel who may be located outside your home country. In addition, you agree that the CAD drawings are for your personal, one-time use only, and that you will not modify or create any compilation or derivative work using the CAD drawings or distribute or display the CAD drawings on any website or other media.