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FMM Type Mill Universal Hubs - Finished (AISE Frame) Bore

The FMM Type coupling consists of one universal hub (FMM Mill Type), one standard F Type flex hub, two standard F Type flex sleeves, and one accessory kit. This coupling is supplied with exposed bolts as standard, with shrouded bolts are available upon request through size 5.5.

The FMM Type Mill Universal hub accommodates AISE Mill Motor frame sizes (with the two sleeves and second hub being standard F Type).
Unit of Measure

Specifications

Description 

 N/A FMM-3-HUB-606/806 MTR FRM

Hub Style

 N/A Exposed Bolt

Type

 N/A Gear Coupling Hubs

Hub Material

 N/A AISI 1045

Style

 N/A Mill Motor Hub Bored

Color

 N/A Metallic

Coupling Type

 N/A Gear

AISE Motor Frame Size

 N/A 606/806

Weight

 N/A 25.67 lb

Dimensional Data

Bore Size (Dimension TB)

 N/A 2.4980 to 2.4990 in

Size

 N/A 3

Set Screw Style Coupling Size (Dimension T)

 N/A No Setscrew

Keyway Size (W x D)

 N/A 1/2 x 1/4 in

Max. Bore (Dimensions ID1/ID2)

 N/A 4.000 in107 mm

Dimension D

 N/A 6.840 in173.74 mm

Dimension FD

 N/A 9.44 in239.78 mm

Dimension G1

 N/A 1.310 in33.27 mm

Dimension HD

 N/A 5.630 in143.00 mm

Dimension ID1

 N/A 4.000 in101.60 mm

Dimension LTB1

 N/A 4.000 in101.60 mm

Dimension TB

 N/A 2.498 to 2.499 in63.45 to 63.47 mm

Distance between Shaft Ends (Dimension BSE)

 N/A 0.190 in4.83 mm

Cubic inches

 N/A 113.79187 in³

Performance Data

Nominal Torque

 N/A 94500 in·lb

Max. Speed (Unbalanced)

 N/A 4000 rpm

Max. Speed (Balanced)

 N/A 6000.00 rpm

Features

Features 

 N/A
  • Patented Vari-Crown® tooth form for long life
  • Standard 20° pressure angle
  • Heat treated bolts for greater strength
  • Corrosion resistant bolts and nuts for ease of maintenance
  • Provides parallel, angular misalignment and end float
  • Flex Half coupling interchangeable with industry standards
  • Long Universal Hub used for AISE Motor Frames

Notes

Notes 

 N/A
  • Counterbore is required for hub size 1.5.
  • Bore taper is 1-1/4 inch per foot on diameter.
  • Exposed Bolt Design is standard.
  • Shrouded Bolt Design available upon request for sizes 1.5 through 5.5.
  • Puller Holes are standard on sizes 4 through 6.
  • Puller Holes are available for sizes 1.5 through 3.5 at an additional charge.
  • Interference bores with no set screws are standard unless otherwise specified.
  • Inch bore and keyway tolerances conform to ANSI / AGMA 9002-B04.
  • For metric bore and keyway tolerances, consult Lovejoy Engineering Section. 1/4 inch hub standoff.
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