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LoveJoy 69790407974 FMM 6 HUB 618/818 MTR FRM

BRAND: LoveJoy | MODEL: 69790407974 | CONDITION: NEW | SKU: 1795958
LoveJoy 69790407974 FMM 6 HUB 618/818 MTR FRM

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Weight: 270.20 lbs UOM: EA

Additional Description



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).

Description FMM 6 HUB 618/818 MTR FRM
Hub StyleExposed Bolt
TypeGear Coupling Hubs
Hub MaterialAISI 1045
StyleMill Motor Hub Bored
Coupling TypeGear
AISE Motor Frame Size618/818
Weight270.20 lb
Dimensional Data
Bore Size (Dimension TB)4.9970 to 4.9985 in
Set Screw Style Coupling Size (Dimension T)No Setscrew
Keyway Size (W x D)1 1/4 x 1/2 in
Max. Bore (Dimensions ID1/ID2)8.250 in225 mm
Dimension D14.000 in355.60 mm
Dimension FD18.00 in457.20 mm
Dimension G11.630 in41.40 mm
Dimension HD11.50 in292.10 mm
Dimension ID18.250 in209.55 mm
Dimension LTB16.000 in152.40 mm
Dimension TB4.9970 to 4.9985 in126.92 to 126.96 mm
Distance between Shaft Ends (Dimension BSE)0.310 in7.87 mm
Cubic inches979.97250 in³
Performance Data
Nominal Torque749700 in·lb
Max. Speed (Unbalanced)2100 rpm
Max. Speed (Balanced)3150 rpm
  • 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
  • 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.