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Part Number 69790492418, FMM Type Mill Universal Hubs - Finished (AISE Frame) Bore

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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).




Specifications  · Dimensional Data  · Performance Data  · Features  · Notes

Specifications

Description 
FMM-2.5-HUB-602/802 MTR FRM

Hub Style
Exposed Bolt

Type
Gear Coupling Hubs

Hub Material
AISI 1045

Style
Mill Motor Hub Bored

Color
Metallic

Coupling Type
Gear

AISE Motor Frame Size
602/802

Weight
15.30 lb


Dimensional Data

Bore Size (Dimension TB)
1.7485 to 1.7495 in

Size
2 1/2

Set Screw Style Coupling Size (Dimension T)
No Setscrew

Keyway Size (W x D)
1/2 x 1/4 in

Max. Bore (Dimensions ID1/ID2)
3.250 in
85 mm

Dimension FD
8.38 in
212.85 mm

Dimension HD
4.630 in
117.60 mm

Cubic inches
64.31070 in³


Performance Data

Nominal Torque
56700 in·lb

Max. Speed (Unbalanced)
4400 rpm

Max. Speed (Balanced)
6600.00 rpm


Features

Features 
  • 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 
  • 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.


 DOWNLOADS 

Gear Coupling Product Catalog

F & FA Type Installation Instructions
(PDF, 0KB)