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Imperial/Inch 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 4 HUB 3-5/16 7/8X7/16KW

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 3-5/16 in

Size

 N/A 4

Keyway Size (W x D)

 N/A 7/8x7/16 in

Length thru Bore

 N/A 4.75 in

Depth

 N/A 4.75 in120.7 mm

Max. Bore (Dimensions ID1/ID2)

 N/A 5.875 in149 mm

Dimension HD

 N/A 6.87 in174.5 mm

Performance Data

Nominal Torque

 N/A 311,540 in·lb35,199 N·m

Max Speed (Unbalanced)

 N/A 3000 rpm