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F Type Rigid Hubs, Solid & Rough Stock Bore - Exposed and Shrouded Bolt Designs

For use with FFR (Flex-Rigid) or FRR (Rigid-Rigid) couplings.

The FFR Type coupling consists of one flex hub, one rigid hub, one sleeve, and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FFR Type has a max angular misalignment of 1.5 degrees (1.5 degrees per gear mesh).

The FRR Type coupling consists of two rigid hubs and one accessory kit. Exposed bolts (E) are also the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FRR Type coupling does not accommodate for any angular misalignment.

For larger torques, consider the FHD Type gear coupling in sizes 10 through 30.
Unit of Measure

Specifications

Description 

 N/A F 3S HUB RGD W/CENTER

Hub Style

 N/A Shrouded Bolt

Nominal Torque

 N/A 94500 in·lb10700 N·m

Type

 N/A Gear Coupling Hubs

Hub Material

 N/A AISI 1045

Style

 N/A Unbored

Color

 N/A Metallic

Bore Type

 N/A Rigid w/ Center

Coupling Type

 N/A Gear

Weight

 N/A 41.00 lb

Dimensional Data

Size

 N/A 3

Set Screw Style Coupling Size (Dimension T)

 N/A No Setscrew

Length thru Bore

 N/A 3.410 in

Depth

 N/A 3.410 in86.61 mm

Max. Bore (Dimensions ID1/ID2)

 N/A 4.875 in134 mm

Dimension FD

 N/A 9.44 in239.78 mm

Dimension HD

 N/A 6.840 in173.74 mm

Cubic inches

 N/A 303.87738 in³

Performance Data

Max Speed (Unbalanced)

 N/A 4000 rpm
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